Assessment and economic evaluation of sheep reproduction efficiency, challenges and mitigation strategies in Kajiado, Kenya.

Lead Research Organisation: Royal Veterinary College
Department Name: Pathobiology and Population Sciences

Abstract

Effective reproduction of sheep and goats allow pastoralists to produce animals for food production, but also to ensure that they have new young animals each year to replace their old reproductive livestock (mothers). However, different diseases, climate change factors (such as drought) and other challenges can interfere with the capacity of sheep and goats to get pregnant or to deliver a healthy new-born animal. Such negative impacts can have important consequences to pastoralists, who may not have enough offspring to sell and therefore will not generate enough income to sustain their family or livelihood. In extreme cases, they will not be able to replace their reproductive females livestock (mothers), meaning that the size of their herd will decrease, diminishing pastoralists capacity to recover in the future and to survive. For this reason, it is essential to identify those factors that may have a negative or positive impact on reproduction of these animals and to estimate how much of an impact these may have. This can be done with indicators of reproduction performance (e.g. percentage of lambs born death or percentage of ewes lambing per year in a herd) that could provide information to measure changes in reproduction capacity. However, information on these indicators is not available for sheep and goat pastoralists in Kenya, representing a barrier to monitor their situation and to identify problems or successes.
The study proposed here aims at generating the basic knowledge on the current level of the reproduction performance indicators for different sheep and goat herds, which could then be used as a reference to identify those pastoralists more at risk of losing their animals and those better performing. This will be done through scanning of the available literature, interview with key experts and interviews with pastoralists. We will test if climate change factors (such as large mobility of animals, poor access to water or fresh pastures or conflicts), socio-economic factors (such as gender of the pastoralist or number of dependents), type of advice channels to pastoralists, presence of infections or existing innovations have the capacity to influence the level of these reproduction indicators. We will also use this knowledge to conduct economic analysis to estimate the financial losses or gains due to changes in the capacity of reproduction of sheep or goats. In addition, we will test for six major diseases that affect sheep and goats' reproduction capacity, but that can also infect and cause illnesses in humans.
The results of the study will therefore generate a baseline knowledge to indicate possible areas of interventions or research that could help pastoralists to improve the reproduction capacity of their sheep or goats. The project will represent a multi-disciplinary collaboration between researchers and students of the University of Nairobi, Kenya, and the Royal Veterinary College in the United Kingdom.

Planned Impact

The outcomes will be of considerable value to a variety of potential beneficiaries, such as pastoralists, veterinarians, regional and central policy makers, academia and other research institutions, and the wider public.

The main beneficiaries of this project will be the pastoralists and veterinarians or animal health practitioners. The project will provide information on reproductive performance that they can use to set up targets, monitor the health of their flocks, detect potential reproductive problems and determine the effectiveness of changes in their reproduction management. Furthermore, the project will provide information on the factors associated to poor or efficient reproduction performance and the economic impact of these. This information would be useful to inform decision-making process to improve reproduction of their small ruminants.

The wider public, but especially those in contact with small ruminants, will also benefit in different ways. In first instance, the project will determine livestock infection to pathogens that not only causes reproduction losses in sheep and goats, but that also represent a public health risk. This is because the pathogen investigated can infect humans, through direct contact or contaminated products or environments, and cause severe illness. The results will therefore allow generating awareness on the importance of these pathogens in the livestock population in Kajiado. This knowledge will also be useful for policy makers for the development of disease control programs to minimize public health risks. Secondly, understanding and quantifying the impact of small ruminant reproduction challenges will contribute towards generating more resilient and efficient producers. This will protect the livelihood and food security of pastoralists and their close communities, but will also help to improve food supply to the general population.

The research communities and implementers agencies: The results will provide benchmarking data that could be used as reference to monitor the effectiveness of policies and interventions conducted in the area. It will allow identifying those type of pastoralists at risk of losing their herds and those more efficient pastoralists. The results will therefore help to better select targets of interventions (so to target those populations more at risks), identify areas or innovations implemented that could be the focus of more detailed research studies and inform policies to increase preparedness to future system shocks affecting small ruminant reproduction.Furthermore, understanding of pastoralists' information networks for reproduction management will also allow to promote effective educational strategies and communications strategies of the relevant policies and intervention programs.

Publications

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Description The project has developed a novel tool to capture and measure performance indicators of small ruminant flocks that could be applied to pastoralists systems in LMICs. The tool was tested with 130 pastoralists' flocks in Kajiado, Kenya. The tool collects information through a 20-25 minutes interview with pastoralist manager or owner, and findings obtained are in agreement with other methods used. This novel tool allows for rapid and efficient evaluation of performance, which could be easily applied in large scale monitoring (i.e. benchmarking/surveillance) or research programs, or to assess effectiveness of interventions or system shocks. The tool also provides a new overall performance indicator that classify flocks as low, medium or high performers. This allows better targeting of policies and interventions aiming at improving production. The study also found that those pastoralist focusing on trading activities are less efficient.
Economic models that measure the financial gain or loss of small ruminant flocks were developed. Results show that on average a pastoralists will make KSH 3,015 - KSH 3,122 per reproductive female (or KSH 78,850 - KSH 81,056 per flock) for those not purchasing feed for their animals (78% of flocks). Those paying for feed had a negative return of KSH -3,311. The economic return for goat production was 2.43 greater than sheep production. The economic return of high performers was 2.04 greater than medium performers and 12.19 greater than low performers. Farmers losses due to mortality were calculated at KSH 1,990 per reproductive female (KSH 111,124 per flock). The production parameters with greater economic impact in sheep were the net prolificacy rate (i.e. number of new born alive per parturition) and in goat was the net fecundity rate (i.e. number of born alive per doe).
The project collected 1,560 blood samples from small ruminant in 130 flocks in Kajiado, Kenya. Blood samples were also tested for Toxoplasma gondii, Coxiella burnetti, Chlamydia abortus, Brucella spp. These pathogens create reproduction problems in small ruminants, but are also transmissible to humans, causing abortions and other health issues. Serological results indicate that 9% of ewes (76/842) and 12.5% (78/622) of does had antibodies against Toxoplasma gondii; 54% of flocks had at least a positive animals; and the pathogen DNA was detected in 89% (137/154) of the seropositive animals. DNA of Chlamydia abortus was detected in 20.3% of ewes (30/148) and 28.1% of goats (56/199). Coxiella burnetti DNA was not detected from 1022 sheep and goats. Brucella ssp. was detected in 5.38% (7/130) of flocks, but only two serum samples tested positive for Brucella melitensis. This is the first study that estimate prevalence of Toxoplasma in Kenya since 1984. The results indicate that public health education is needed to raise awareness on toxoplasmosis and chlamydiosis and their potential risk factors in order to develop strategies of reducing transmission to animals and humans.
Risk factor analysis indicated that the reproductive zoonotic diseases of small ruminants considered in this study did not have significant influence on the production performance. Age of sale of sheep, 3 or 3.5 years, and well as a water source in dry season were found to be negatively associated with flock efficiency.
The project has generated 1 important publication (with 3 other underway) and allow the completion of 5 MSc thesis (3 in Kenya and 2 in the UK).
Exploitation Route - Implementation of a surveillance or benchmarking program on production performance parameters. This will also allow for better targeting of policies and research (e.g. target flocks with low efficiency performance; and also identifying higher achievers to understand good practices and generate examples for the industry).
- The tool and economic models develop can be used to asses the impact of policy or interventions in small ruminant flocks. It will therefore support decision making for policy and private stakeholders. The model could also be available to farmers to understand their financial efficiency, as an incentive to improve their herd management.
- The prevalence of diseases will allow to create awareness of the main presence of key zoonotic pathogens affecting small ruminant reproduction performance, and their potential economic impact. This will allow for policy decision to control these diseases.
Sectors Agriculture, Food and Drink,Environment,Financial Services, and Management Consultancy,Healthcare,Government, Democracy and Justice,Pharmaceuticals and Medical Biotechnology

 
Title Development of novel tool to capture flock performance indicators from small ruminant flocks 
Description We have designed a novel protocol and tool to capture reproduction and production performance indicators from small ruminant flocks in Kenya. This was done through literature review of existing methods, and through discussion with several pastoralists and small ruminant experts in Kenya. This tool allowed collecting the information needed on under 40 minutes, and without the need of expensive and laborious longitudinal studies. The tool was piloted with five pastoralists. Subsequently, a survey of 130 small ruminant pastoralists in Kajiado was conducted between June and September 2019, and we collected data flock performance using the tool. We have been successful in capturing and analyzing these data, since the results obtained were similar to existing literature estimates. This validates the effectiveness of our tool. Furthermore the analysis included the development of a novel indicator that could be useful to assess the combined efficiency of both species for these farmers. A manuscript has currently been drafted and is being reviewed internally. 
Type Of Material Physiological assessment or outcome measure 
Year Produced 2019 
Provided To Others? No  
Impact Currently, without reliable and up-to-date data, detection and management of pastoralists' production inefficiencies and resources is difficult, and often requires the use of subjective views from point sources. This lack of data acts as a barrier for pastoralists to improve their production and to manage their resources efficiently; and for government services to provide advice and to effectively and timely implement and monitor interventions or policies. Furthermore, major impact on reproduction performance indicators generate risks on the ability of pastoralists to maintain their flock size, threatening their food security and livelihood. Our methodology enables to capture data about flock performance of small ruminant pastoralists. The methodology used was found easy to implemented and acceptable by pastoralists, with very low levels of rejections, and the results obtained on performance were in similar range to other methodologies. The tool proposed in this study can be used to: (1) allow to identify those pastoralists with lower productivity and target resources towards these so that industry efficiency can be improved; (2) identify those herds that have a very good flock performance, which can be used as reference points for the industry; (3) implement programs to obtain benchmarking data on pastoralists over time which will allow comparison and development of targets; (4) use by policy and private stakeholders to measure the effectiveness of their policies or interventions; and (5) generate a baseline data and indicator for future research and economic studies needed to assess the viability of pastoralists systems. 
 
Title Modelling small ruminant flock economic performance 
Description We have developed new economic models that measure pastoralists financial performance. The model structure is based on the method developed to capture reproduction and production performance indicators. The model was used to assess the economic performance of the 130 pastoralists surveyed in the project. The model provide an indication of the gross margin of each pastoralists and provide data on the financial losses generated due to animal losses, price differences or changes in performance indicators. A manuscript is being produced at the moment. 
Type Of Material Physiological assessment or outcome measure 
Year Produced 2020 
Provided To Others? No  
Impact The model have yet to be published. It is however expected that these can be used by pastoralists and policy makers to inform decision processes. In particular, it can be used by policy makers, industry and researchers to assess the impact of diseases, shocks (e.g. drought) or market changes (e.g. price changes) on the economy of pastoralists, but also to assess the economic efficiency of different mitigation strategies. 
 
Title PCR testing of small ruminant serum samples 
Description Biological sampling and testing: A total of 1560 blood samples (Each about 5 ml) have been collected, transported to a Laboratory at the Department of Public Health, Pharmacology and Toxicology of the University of Nairobi and then stored at -20C. The genomic DNA of Brucella spp., Coxiella burnetii, Leptospira interrogans, Toxoplasma spp and Chlamydia spp. have been extracted from aliquots of the blood samples using a commercial QIAamp DNA Blood Mini-Kit. The extracted DNA samples are being stored at -20°C. Six pairs of primers have been designed and are currently, being optimised for analysis of the DNA samples by polymerase chain reaction (PCR). Samples analysed by PCR will be sequenced further for bioinformatics analysis including Blastn of the National Centre for Biotechnology Information (NCBI). The Veriti 96 well thermocycler is currently being used for amplification of the genes (Applied Biosystems, Singapore). 
Type Of Material Technology assay or reagent 
Year Produced 2020 
Provided To Others? No  
Impact The analysis are still being done. Results expected in April 2020 
 
Title Database on pathogen presence in 1560 small ruminant serum samples in Kajiado 
Description A database is being created that contains the serological results from 1560 small ruminant samples collected in 130 small ruminant flocks in Kajiado, Kenya, in 2019. These samples were tested for Brucella spp., Coxiella burnetii, Leptospira interrogans, Toxoplasma spp and Chlamydia spp. 
Type Of Material Database/Collection of data 
Year Produced 2020 
Provided To Others? No  
Impact The dataset is link to the questionnaire data collected, which will allow to (1) investigate risk factors for presence of these pathogens; and (2) investigate if presence of these pathogens are a risk factor for reproduction and production performance. 
 
Title Database on small ruminant production data and risk factors from 130 pastoralists in Kajiado, Kenya 
Description The data was collected from a cross-sectional survey of 130 small ruminant pastoralists flocks in Kajiado county, Kenya. Two wards from Kajiado East (Kaputiei North and Kenyawa-Poka), two wards from Kajiado Central (Ildamat and Matapato South) and one ward from Kajiado West (Iloodokilani) were selected for this study based on livestock densities and accessibility following the advice of the Directorate of Veterinary Services (DVS) of Kajiado. Data was collected between June and September 2019. The questionnaire collected data on flock size and structure; and retrospective data on reproduction, mortality, offtake and intake for a period of 12 months. Data about mortality were collected separately depending on the following causes: "diseases", "drought", "predation" and "other reasons"; offtake data was captured in the following categories: "sale", "slaughter for own consumption", "gift/dowry/inheritance", "loss" and "other reasons"; finally intake data was captured in the following categories: "purchase", "gift/dowry/inheritance" and "other reasons". The inclusion of these categories allowed us to characterize and quantify the main reason(s) for entry/exit of animals in the flock. Data were collected separately for sheep and goats, and specific age and sex groups were used to collect the data on all entries and exits and flock structure. Four categories were used: females (young ewes or does) younger or equal than 2 years old; males (young rams or bucks) younger or equal than 2 years old; females (ewes or does) older than 2 years old and males (rams or bucks) older than 2 years old. When the pastoralist owned more than one flock, data was collected for all the flocks. In addition, the dataset also contains data on purchase and selling prices of animals, disease presence, and past shock experience, as perceived by pastoralists. Data on information source used for management of flock performance and disease control was also collected. Data is still currently being analyzed. 
Type Of Material Database/Collection of data 
Year Produced 2019 
Provided To Others? No  
Impact No impact has yet been obtained as data in being analyzed and manuscript been produced and reviewed. It is expected that the data will be used to: (1) assess reproduction and production performance of small ruminant flocks (done), (2) measure the economic performance of these flocks (done), (3) identify risk factors for flock performance, (3) assess risk factors for presence of infectious disease on farm, and (4) generate baseline data for future research studies. 
 
Title Economic modelling of pastoralist performance 
Description We have developed new economic models that measure pastoralists financial performance. The model structure is based on the method developed to capture reproduction and production performance indicators. The model was used to assess the economic performance of the 130 pastoralists surveyed in the project. The model provide an indication of the gross margin of each pastoralists and provide data on the financial losses generated due to animal losses, price differences or changes in performance indicators. A manuscript is being produced at the moment. 
Type Of Material Computer model/algorithm 
Year Produced 2020 
Provided To Others? No  
Impact The model has yet to be published. It is however expected that it can be used by pastoralists and policy makers to inform decision processes. In particular, it can be used by policy makers, industry and researchers to assess the impact of diseases, shocks (e.g. drought) or market changes (e.g. price changes) on the economy of pastoralists, but also to assess the economic efficiency of different mitigation strategies. 
 
Title Qualitative analysis of pastoralists perceptions on flock reproduction challenges and mitigation strategies 
Description Interview with 18 small ruminant pastoralists were conducted in Kiserian market in May and June 2018. Thematic analysis was done to identify themes associated with pastoralists key challenges related to flock reproduction performance and the mitigation strategies. 
Type Of Material Data analysis technique 
Year Produced 2019 
Provided To Others? No  
Impact This work was conducted by a MSc student in One Health from the Royal Veterinary College. Thesis will be submitted in March 2020. The results are expected to inform the economic models to determine the economic efficiency of mitigation strategies used by pastoralists to address the reproduction challenges. 
 
Description Partnership for project activities 
Organisation International Livestock Research Institute (ILRI)
Country Kenya 
Sector Charity/Non Profit 
PI Contribution The Royal Veterinary College provides expertise on animal health economics, has co-designed the approach and questionnaire, train enumerators (MSc students) at University of Nairobi for the collection of data, helped in the piloting of the questionnaire, process and clean data obtained from the survey, and has performed data analysis for the: (1) assessment of reproduction performance indicators, (2) pastoralists perceptions' on preproduction challenges, (3) development of economic models to assess impact of change in performance, and (4) risk factors associated to high and low reproduction efficiency. The RVC provides support to University of Nairobi for the interpretation and discussion of the results from the analysis of biological samples collected. U The RVC is leading the production of three manuscripts related to: (1) reproduction performance indicators of small ruminant herds and the economic efficiency of small ruminant pastoralists. Manuscript accepted and published. (2) Economic efficiency of small ruminant pastoralists herds in Kajiado. Manuscript under internal review and findings presented at ISESSAH conference. (3) Risk factors associated to reproduction performance of small ruminant herds in Kajiado. Expected to be submitted this year.
Collaborator Contribution University of Nairobi and the Royal Veterinary College are the two main partners of this project. Dr. Joshua Onono is the project PI from the Kenyan side, and Dr. Pablo Alarcon is the project PI from the UK side. University of Nairobi has implemented the field data collection and the laboratory analysis of the biological samples. Data analysis conducted by University of Nairobi involved the estimation of prevalence for the different pathogens tested (Leptospira, Brucella, Toxoplasma and Chlamydia) and identification of risk factors for the presence of these pathogens. University of Nairobi is leading the production of two manuscripts related to the prevalence and risk factors of zoonotic pathogens affecting small ruminants flocks in Kajiado, Kenya. These will be submitted for publication this year. University of Nairobi provides expertise on local context and disease situation in the study area, and as such provided input in the design of the study and in the interpretation and discussion of the results from the data analysis conducted by RVC. The County government of Kajiado (the veterinary services department) has provided assistance in terms of (1) approving the research activities conducted in Kajiado, and (2) facilitating staff that helped in the recruitment of pastoralists and in the interview process (help translating question and responses during interviews). The International Livestock Research Institute (Dr. Barbara Wieland) has provided guidance on questionnaire design and facilitated the ethical review process of the project. All partners are involved in the discussion of the research outputs and in their dissemination.
Impact The partnership is still working on the analysis of the data and the outcomes. The following has been achieved: - Successful collection of questionnaire data and 1560 serum samples (from sheep and goats) from 130 small ruminants pastoralists in Kajiado. . - Development of a new rapid method to capture small ruminant flock performance indicators (including reproduction performance indicators) through interviews with pastoralists. The methods has now been published in Veterinary and Animal Science journal. - The reproduction and production performance indicators for the sampled small ruminant flocks have been calculated, and baseline levels obtained. A novel indicator that provides an overall measure of flock efficiency has been developed. This is part of the manuscript published in Veterinary and Animal Science journal. - Economic models have estimated the economic performance of small ruminant pastoralists in Kenya and the economic gains/losses associated to changes in performance indicators. This has been presented at the ISESSAH conference 2021. The collaboration has managed to successfully supervise and complete 5 MSc thesis from students at UoN adn RVC: - MSc thesis: Molecular detection and risk factor analysis of Coxiella, Chlamydia infections in sheep and goats in Kajiado, Kenya (UoN MSc thesis accepted) - MSc thesis: Serological and molecular detection of Brucellosis and its risk factors for sheep and goat flocks in Kajiado, Kenya (UoN MSc thesis accepted) - MSc thesis: Investigation of Toxoplasma Gondii and associated risk factors for infection of sheep and goats in Kajiado county (UoN MSc thesis accepted) - MSc thesis: The influence of zoonotic diseases and other factors on the production performance of small ruminant pastoralists in Kajiado, Kenya (RVC MSc thesis accepted) - MSc thesis: Exploring the perceptions and challenges of reproduction management by small-ruminant pastoralists in Kajiado, Kenya. (RVC MSc thesis accepted) The collaboration combines animal health economics expertise (Dr. Pablo Alarcon Lopez -RVC), with microbiological expertise (Professor Aboge - University of Nairobi) and veterinary epidemiology and public health expertise (Dr. Joshua Onono).
Start Year 2019
 
Description Partnership for project activities 
Organisation University of Nairobi
Country Kenya 
Sector Academic/University 
PI Contribution The Royal Veterinary College provides expertise on animal health economics, has co-designed the approach and questionnaire, train enumerators (MSc students) at University of Nairobi for the collection of data, helped in the piloting of the questionnaire, process and clean data obtained from the survey, and has performed data analysis for the: (1) assessment of reproduction performance indicators, (2) pastoralists perceptions' on preproduction challenges, (3) development of economic models to assess impact of change in performance, and (4) risk factors associated to high and low reproduction efficiency. The RVC provides support to University of Nairobi for the interpretation and discussion of the results from the analysis of biological samples collected. U The RVC is leading the production of three manuscripts related to: (1) reproduction performance indicators of small ruminant herds and the economic efficiency of small ruminant pastoralists. Manuscript accepted and published. (2) Economic efficiency of small ruminant pastoralists herds in Kajiado. Manuscript under internal review and findings presented at ISESSAH conference. (3) Risk factors associated to reproduction performance of small ruminant herds in Kajiado. Expected to be submitted this year.
Collaborator Contribution University of Nairobi and the Royal Veterinary College are the two main partners of this project. Dr. Joshua Onono is the project PI from the Kenyan side, and Dr. Pablo Alarcon is the project PI from the UK side. University of Nairobi has implemented the field data collection and the laboratory analysis of the biological samples. Data analysis conducted by University of Nairobi involved the estimation of prevalence for the different pathogens tested (Leptospira, Brucella, Toxoplasma and Chlamydia) and identification of risk factors for the presence of these pathogens. University of Nairobi is leading the production of two manuscripts related to the prevalence and risk factors of zoonotic pathogens affecting small ruminants flocks in Kajiado, Kenya. These will be submitted for publication this year. University of Nairobi provides expertise on local context and disease situation in the study area, and as such provided input in the design of the study and in the interpretation and discussion of the results from the data analysis conducted by RVC. The County government of Kajiado (the veterinary services department) has provided assistance in terms of (1) approving the research activities conducted in Kajiado, and (2) facilitating staff that helped in the recruitment of pastoralists and in the interview process (help translating question and responses during interviews). The International Livestock Research Institute (Dr. Barbara Wieland) has provided guidance on questionnaire design and facilitated the ethical review process of the project. All partners are involved in the discussion of the research outputs and in their dissemination.
Impact The partnership is still working on the analysis of the data and the outcomes. The following has been achieved: - Successful collection of questionnaire data and 1560 serum samples (from sheep and goats) from 130 small ruminants pastoralists in Kajiado. . - Development of a new rapid method to capture small ruminant flock performance indicators (including reproduction performance indicators) through interviews with pastoralists. The methods has now been published in Veterinary and Animal Science journal. - The reproduction and production performance indicators for the sampled small ruminant flocks have been calculated, and baseline levels obtained. A novel indicator that provides an overall measure of flock efficiency has been developed. This is part of the manuscript published in Veterinary and Animal Science journal. - Economic models have estimated the economic performance of small ruminant pastoralists in Kenya and the economic gains/losses associated to changes in performance indicators. This has been presented at the ISESSAH conference 2021. The collaboration has managed to successfully supervise and complete 5 MSc thesis from students at UoN adn RVC: - MSc thesis: Molecular detection and risk factor analysis of Coxiella, Chlamydia infections in sheep and goats in Kajiado, Kenya (UoN MSc thesis accepted) - MSc thesis: Serological and molecular detection of Brucellosis and its risk factors for sheep and goat flocks in Kajiado, Kenya (UoN MSc thesis accepted) - MSc thesis: Investigation of Toxoplasma Gondii and associated risk factors for infection of sheep and goats in Kajiado county (UoN MSc thesis accepted) - MSc thesis: The influence of zoonotic diseases and other factors on the production performance of small ruminant pastoralists in Kajiado, Kenya (RVC MSc thesis accepted) - MSc thesis: Exploring the perceptions and challenges of reproduction management by small-ruminant pastoralists in Kajiado, Kenya. (RVC MSc thesis accepted) The collaboration combines animal health economics expertise (Dr. Pablo Alarcon Lopez -RVC), with microbiological expertise (Professor Aboge - University of Nairobi) and veterinary epidemiology and public health expertise (Dr. Joshua Onono).
Start Year 2019
 
Description Partnership for project activities 
Organisation Veterinary Services Department
Country Kenya 
Sector Learned Society 
PI Contribution The Royal Veterinary College provides expertise on animal health economics, has co-designed the approach and questionnaire, train enumerators (MSc students) at University of Nairobi for the collection of data, helped in the piloting of the questionnaire, process and clean data obtained from the survey, and has performed data analysis for the: (1) assessment of reproduction performance indicators, (2) pastoralists perceptions' on preproduction challenges, (3) development of economic models to assess impact of change in performance, and (4) risk factors associated to high and low reproduction efficiency. The RVC provides support to University of Nairobi for the interpretation and discussion of the results from the analysis of biological samples collected. U The RVC is leading the production of three manuscripts related to: (1) reproduction performance indicators of small ruminant herds and the economic efficiency of small ruminant pastoralists. Manuscript accepted and published. (2) Economic efficiency of small ruminant pastoralists herds in Kajiado. Manuscript under internal review and findings presented at ISESSAH conference. (3) Risk factors associated to reproduction performance of small ruminant herds in Kajiado. Expected to be submitted this year.
Collaborator Contribution University of Nairobi and the Royal Veterinary College are the two main partners of this project. Dr. Joshua Onono is the project PI from the Kenyan side, and Dr. Pablo Alarcon is the project PI from the UK side. University of Nairobi has implemented the field data collection and the laboratory analysis of the biological samples. Data analysis conducted by University of Nairobi involved the estimation of prevalence for the different pathogens tested (Leptospira, Brucella, Toxoplasma and Chlamydia) and identification of risk factors for the presence of these pathogens. University of Nairobi is leading the production of two manuscripts related to the prevalence and risk factors of zoonotic pathogens affecting small ruminants flocks in Kajiado, Kenya. These will be submitted for publication this year. University of Nairobi provides expertise on local context and disease situation in the study area, and as such provided input in the design of the study and in the interpretation and discussion of the results from the data analysis conducted by RVC. The County government of Kajiado (the veterinary services department) has provided assistance in terms of (1) approving the research activities conducted in Kajiado, and (2) facilitating staff that helped in the recruitment of pastoralists and in the interview process (help translating question and responses during interviews). The International Livestock Research Institute (Dr. Barbara Wieland) has provided guidance on questionnaire design and facilitated the ethical review process of the project. All partners are involved in the discussion of the research outputs and in their dissemination.
Impact The partnership is still working on the analysis of the data and the outcomes. The following has been achieved: - Successful collection of questionnaire data and 1560 serum samples (from sheep and goats) from 130 small ruminants pastoralists in Kajiado. . - Development of a new rapid method to capture small ruminant flock performance indicators (including reproduction performance indicators) through interviews with pastoralists. The methods has now been published in Veterinary and Animal Science journal. - The reproduction and production performance indicators for the sampled small ruminant flocks have been calculated, and baseline levels obtained. A novel indicator that provides an overall measure of flock efficiency has been developed. This is part of the manuscript published in Veterinary and Animal Science journal. - Economic models have estimated the economic performance of small ruminant pastoralists in Kenya and the economic gains/losses associated to changes in performance indicators. This has been presented at the ISESSAH conference 2021. The collaboration has managed to successfully supervise and complete 5 MSc thesis from students at UoN adn RVC: - MSc thesis: Molecular detection and risk factor analysis of Coxiella, Chlamydia infections in sheep and goats in Kajiado, Kenya (UoN MSc thesis accepted) - MSc thesis: Serological and molecular detection of Brucellosis and its risk factors for sheep and goat flocks in Kajiado, Kenya (UoN MSc thesis accepted) - MSc thesis: Investigation of Toxoplasma Gondii and associated risk factors for infection of sheep and goats in Kajiado county (UoN MSc thesis accepted) - MSc thesis: The influence of zoonotic diseases and other factors on the production performance of small ruminant pastoralists in Kajiado, Kenya (RVC MSc thesis accepted) - MSc thesis: Exploring the perceptions and challenges of reproduction management by small-ruminant pastoralists in Kajiado, Kenya. (RVC MSc thesis accepted) The collaboration combines animal health economics expertise (Dr. Pablo Alarcon Lopez -RVC), with microbiological expertise (Professor Aboge - University of Nairobi) and veterinary epidemiology and public health expertise (Dr. Joshua Onono).
Start Year 2019