Nyabinwa Pascal

Rwanda Agriculture and Animal Resources Development Board · Animal Resources Innovation & Technology Transfer Department

The quality of veterinary medicinal products (VMP) is essential for efficient disease management. Therefore, VMPs that do not meet the required standards of quality can lead to increased sickness, death, and the development of antimicrobial resistance, posing a danger to both animals and humans. This study aimed to identify substandard and falsifie...

A 84-day feeding trial was conducted at Kigembe Aquaculture farm to assess the effects of substitution of dietary soybean meal with black soldier fly (Hermetia illucens) larvae meal (BSFLM) on the growth performance, survival rate, and feed conversion ratio of Nile Tilapia (Oreochomis niloticus). Five test diets were formulated and substitution of...

To decipher the dynamics, challenges, and opportunities of smallholder pig farming in Rwanda, a household survey was conducted in ten districts of the country. A total of 900 households selected randomly across four provinces and one city, 12 districts, 28 sectors, and villages were interviewed using a pretested printed questionnaire. Most of the r...

Introduction: Records obtained from slaughterhouses on the causes of meat condemnation is vital in contributing to the surveillance of disease prevalence and for promoting food security by protecting the community from consuming infected or unhygienic meat. Purpose: The objective of this study was to determine the prevalence of conditions that lea...

Endometritis is a uterine disease that interrupts cow reproductive cycles as a clinical (CLE) or subclinical (SCLE) condition between 21st and 90th days postpartum (dpp), resulting in suboptimal fertility, production and profitability in a herd. This study tested the hypothesis that suboptimal fertility and production performance of zero-grazed dai...

Most Rwandan farmers need artificial insemination (AI) services to improve their dairy breeds. This is because AI as a breeding service is the most available assisted reproductive technology to improve these breeds. However, this breeding service is associated with several technical, socioeconomic, managerial, and logistical constraints. Therefore,...

The objective of the present retrospective cross-sectional study was to estimate the prevalence of postpartum clinical diseases (PPCDs) of dairy cows reared under existing management conditions of smallholder zero-grazing farming in Gasabo district, Rwanda. The data of PPCDs were collected retrospectively from 250 cows which calved for the period f...

Endometritis in smallholder zero-grazed dairy cows in Rwanda: risks and consequences on cow fertility performance

Clinical endometritis (CLE) and subclinical endometritis (SCLE) manifesting at the cow- and herd-levels has been associated with multiple risk factors (RFs), but hardly are RFs with direct influences separated from those with mediated indirect influences. This study identified and quantified the direct and indirect associations of cow- and herd-lev...

Suboptimal milk production and reproductive performance manifest in postpartum dairy cows likely reflect associations with the characteristics of the dairy herd management conditions and endometritis infection. The hypothesis was that endometritis, cow-and herd-levels variables, and the combination of all these variables are associated with subopti...

L’élevage est une activité importante dans l’économie des pays d’Afrique. Pour beaucoup de pays africains, il représente l’une des plus importantes sources d’emplois et de revenus (LY,2001). Au Rwanda, le secteur agricole y compris l’élevage et la pêche constituent, un maillon essentiel de l’économie à travers la promotion des exportations, la créa...

Dairy production is a major livelihood strategy for poor households in Rwanda and contributes 28.0% to the agricultural Gross Domestic Product (GDP) and 4.0% to the national GDP (NISR, 2018). Among the smallholder dairy farms, those practicing zero-grazing hold the majority (92.0%) of the cattle population and supply the bulk of the domestic milk m...

Endometritis is a prevalent uterine disease in postpartum cows. The disease reduces fertility performance and milk yield, and subsequently, productivity and profitability of dairy farms. The reduction in performance is associated with considerable economic losses on dairy farms. Smallholder farmers are likely to incur considerable economic losses f...

Endometritis is a postpartum uterine disease of cows occurring between 21st and 90th days postpartum (dpp). The disease may occur in the form of clinical endometritis (CLE) and/or subclinical endometritis (SCLE) and interrupts reproductive cycles resulting in suboptimal fertility, reduced performance and profitability of the dairy herd. The prevale...

Endometritis is a postpartum uterine disease of cows that interrupts reproductive cycles resulting in suboptimal fertility, reduced performance and profitability of the dairy herd. The objective of the study was to estimate the perceived and observed prevalence of endometritis among zero-grazed dairy cows in smallholder farms in Rwanda. A snowball...

Endometritis being a post-partum uterine infection in dairy cows is likely with substantial production loss through reduction in milk yield (MY), discarded milk during treatment and withdrawal period, and increased cost of veterinary treatment. This study quantified the influence of endometritis on MY of zero-grazed dairy cows managed on smallholde...

Background: Endometritis is a prevalent uterine disease in postpartum cows. The disease reduces fertility performance and milk yield, and subsequently, productivity and profitability of dairy farms. The reduction in performance is associated with considerable economic losses on dairy farms. Smallholder farmers are likely to incur considerable econ...

L’amélioration de la fertilité demeure un des objectifs prioritaires pour optimiser le potentiel de reproduction et donc de production en élevage bovin. Au cours de ces dernières années, l’analyse des résultats sur l’IA a montré une faiblesse des taux de réussite. Ces échecs de gestation restent dus en grande partie à des avortements. A cet effet,...

Senegal has embarked in artificial insemination (AI) to improve the productivity of small traditional dairy farms. However the success rate of the overall AI programmes remained low. This study aimed at assessing the incidence of embryonic mortality occurring in cows inseminated artificially by using progesterone and pregnancy associated glycoprote...

CRESTAR ® ear implants have been the popular method for synchronizing cows in preparation for artificial insemination in Rwanda; but the administration of the implant causes stress to the animals. The aim of this study was to evaluate the efficacy of a Progesterone Releasing Intra-vaginal Device (PRID) in combination with Enza-prost ® T as an alter...

The success or failure of artificial insemination starts with the quality status of semen used, hence, this study aimed to investigate the effects of breed, season and year on bovine semen quality of the National Bull Stud of Rwanda kept at Masaka bull station, Rwanda. A total of 1475 semen samples were collected biweekly from nine bulls of Holstei...

L'amélioration de la fertilité demeure un des objectifs prioritaires pour optimiser le potentiel de reproduction et donc de production en élevage bovin. Au cours de ces dernières années, l'analyse des résultats des programmes d'insémination artificielle en Afrique subsaharienne a montré une faiblesse des taux de réussite. Ces échecs de gestation re...

Après insémination, la mortalité embryonnaire est reconnue comme la cause majeure d'échec de reproduction en élevage. La quantification des mortalités embryonnaires au sein des exploitations bovines relève le plus souvent de l'association de plusieurs méthodes. Il s'agit de méthodes hormonales par des dosages de progestérone, protéines associées à...

L'approvisionnement en lait et produits laitiers des marchés de la ville de Kigali se fait à travers de deux types d'offres d'origines différentes. Le premier groupe concerné l'offre locale qui suit deux circuits différents: le circuit formel qui va du producteur en passant par les laiteries modernes avant de parvenir au consommateur, et le circuit...