The study, led by Rogers Kigoonya of the Namayingo District Local Government together with colleagues at Makerere University, was conducted between July and October 2024. Namayingo is an unusual place for cattle research. The district, which covers 532.9 square kilometers of Lake Victoria territory near the Kenyan border, historically depended on fishing. As fish stocks dwindled, communities transitioned into subsistence farming that integrates small-scale cattle and crop production. Today, of the 11,384 cattle-keeping households in the district, more than half own only one or two animals, and 98.6 percent of the district herd consists of indigenous breeds. Despite the economic importance of these animals, scientific data on their reproductive performance in the district had been almost entirely absent.

To fill this gap, the team used a multi-stage sampling design targeting smallholder farmers in the sub-counties of Buyinja, Buhemba, Banda, and Mutumba. Data came from three sources: physical examination of the cattle, direct observation of farm management practices, and a pre-tested structured questionnaire administered to 90 farmers. Pregnancy status was determined through a combination of farmers’ reports of non-return to heat, visual observation, and rectal palpation performed by a veterinarian using a standardized protocol. Body condition scores were recorded on a five-point scale, and calving intervals were calculated from the two most recent consecutive calvings to minimize recall bias. Farmers with more than six cattle were excluded, keeping the study firmly focused on the smallest production units.

The headline numbers reveal a system operating below its potential. The average calving interval was 13.8 months, exceeding the 12-to-13-month benchmark recommended for achieving one calf per cow per year, the standard reproduction index for profitable cattle keeping. Services per conception averaged 1.48, meaning cows typically required roughly one and a half matings or inseminations before conceiving. Repeat breeding, defined as failure to conceive after three or more services, affected only 2.1 percent of cows, a remarkably low figure that the researchers attribute to the resilience of indigenous breeds. Dystocia, or difficult calving requiring assistance, told a far grimmer story: at 15.2 percent, it was roughly three times the internationally reported rate of less than 5 percent and well above figures documented elsewhere in East Africa.

The dystocia finding is particularly consequential for calf and cow survival. The researchers suggest the high prevalence may stem from the composition of the study herd, since 40.2 percent of cows were primiparous, meaning they were calving for the first time with pelvic structures that are not yet fully developed. In addition, the dominance of indigenous cattle raises the likelihood of mismatches between sire and dam sizes, both through artificial insemination with inappropriate semen and through uncontrolled natural mating with bulls of unknown conformation. Difficult calvings delay the return of ovarian activity, lengthen the time to the next conception, and can permanently damage fertility, making this single statistic a plausible driver of the extended calving intervals observed across the district.

When the team ran multivariable binary logistic regression on pregnancy status, three factors emerged as decisive. Body condition score, a direct proxy for nutritional status, was highly significant, echoing decades of evidence that thin cows suffer from anestrus, delayed conception, and reduced fertility. Housing mattered as well: cows kept in shelters had more than four times the odds of being pregnant compared with cows without any housing (odds ratio 4.24, 95 percent confidence interval 1.34 to 13.45). Shelter reduces environmental stress and protects animals from injuries that compromise fertility. Management system also exerted a strong effect, with tethered cattle showing drastically reduced odds of pregnancy compared with zero-grazed animals, an odds ratio of just 0.033. Alarmingly, 83.3 percent of farmers in the study provided no cattle housing at all, and 76.7 percent relied on communal grazing of natural pastures with no sown or conserved feed.

A generalized linear model applied to calving interval painted a complementary picture of which cows breed back fastest. Age was significant, with cows aged four to eight years showing shorter intervals than animals older than eight, consistent with the declining fertility of aged cows and the delayed ovarian recovery of young ones. Parity also mattered: multiparous cows had shorter calving intervals than biparous cows, likely reflecting physiological adaptations from previous calvings that allow a faster return to estrus, whereas second-calf cows often need longer postpartum recovery. Most strikingly, breeding method proved influential. Cows bred by artificial insemination had significantly shorter calving intervals than those mated naturally, a difference the authors link to planned mating and timely insemination rather than to the biology of the semen itself. Yet in practice, natural mating dominated the district, and only a quarter of farmers kept any records, mostly health or visitor logs, leaving most producers blind to the reproductive trajectories of their own animals.

The findings carry clear implications for extension services and policy. Because housing, body condition, and management system all shaped pregnancy outcomes, interventions do not need to be high-tech to be transformative. Simple shelters, strategic supplementation to improve body condition before breeding, and a shift from tethering toward managed grazing or zero-grazing units could raise pregnancy rates substantially. Expanding access to artificial insemination, paired with sire selection that accounts for the size of indigenous dams, could simultaneously shorten calving intervals and reduce the dystocia rate that currently endangers both cows and calves. Basic record keeping, even a simple notebook of calving and mating dates, would allow farmers to identify non-productive animals and cull or treat them in time. The study’s authors recommend appropriate housing and breeding interventions as the priority actions for Namayingo and for comparable smallholder systems across the region.

Beyond the local context, the research contributes to a broader scientific conversation about why cattle fertility lags across African smallholder systems, where livestock underpin more than 70 percent of rural Ugandan livelihoods and cattle account for roughly 73 percent of the gross value of livestock output. Suboptimal reproduction ripples outward: fewer calves mean fewer replacement animals, less milk, less meat, lower household income, and diminished resilience against climate and market shocks. By identifying specific, modifiable risk factors in a non-traditional cattle-keeping district that transitioned from fishing to farming, the study demonstrates that reproductive decline in small herds is neither inevitable nor purely biological. It is, to a large degree, a management problem with management solutions, and the evidence from Namayingo suggests those solutions are well within reach of the farmers who need them most.

Subject of Research: Risk factors affecting reproductive efficiency of cattle in smallholder production systems in Namayingo district, Uganda

Article Title: Risk factors that undermine reproductive efficiency of cattle in smallholder production systems in Namayingo district in Uganda

Article References: Risk factors that undermine reproductive efficiency of cattle in smallholder production systems in Namayingo district in Uganda. (n.d.). https://doi.org/10.1007/s44338-026-00241-8

Image Credits: AI Generated

DOI: 10.1007/s44338-026-00241-8

Keywords: cattle, reproductive efficiency, smallholder farmers, Uganda, calving interval, dystocia, body condition score, artificial insemination, animal housing, pregnancy status, indigenous breeds, livestock production

The study explores various aspects of cattle herd composition, including age distribution, sex ratios, and the breeding practices employed by the local farmers. By utilizing a combination of field surveys, direct observations, and statistical analysis, researchers have been able to draw meaningful conclusions about the sustainability and productivity of cattle farming in this region. The findings reveal a complex interplay between traditional farming practices and modern agricultural techniques, indicating a potential pathway for improvement in herd management.

At the heart of the study are the socio-economic factors that influence herd structure. The researchers highlight how ownership patterns, market access, and availability of resources like water and grazing land impact the size and composition of cattle herds. As cattle ownership provides a significant source of wealth in these communities, variations in herd structure can have substantial implications for local economies. Many farmers tend to keep smaller herds, primarily for subsistence, while others may aspire to expand their herds for commercial purposes, demonstrating the diversity of farming strategies within the population.

One of the most compelling findings of the research is the observation of gender dynamics in cattle ownership and management. The study reveals that while men predominantly own cattle in the region, women also play crucial roles in herd management and decision-making processes. This gendered aspect of cattle farming comes with its own set of challenges, particularly in terms of access to resources and markets. Empowering women in the agricultural sector could lead to more balanced herd structures and improved economic outcomes for families, promoting gender equity in these communities.

The researchers also examined the health and welfare of cattle within these herds, acknowledging the challenges posed by endemic diseases and changing climatic conditions. By analyzing health records and conducting health assessments, the study offers insights into the prevalence of specific diseases and their impact on cattle productivity. This knowledge is critical for implementing effective veterinary services and disease management practices that can mitigate losses and enhance livestock productivity.

Furthermore, the study delves into the breeding practices utilized by local farmers, illustrating the significance of traditional knowledge in shaping herd composition. It highlights that many farmers prefer indigenous breeds that are well-adapted to local environmental conditions over exotic breeds, which may require more intensive management and resources. This preference underscores the importance of promoting indigenous breeds as a strategy for sustainable livestock production, ensuring resilience against environmental fluctuations.

Another key aspect explored in the research is the role of environmental factors in shaping cattle herd structures. The findings indicate that access to quality pastures and water sources is vital for maintaining healthy herds, and changes in land use can severely impact herd dynamics. As agricultural expansion and population growth continue to exert pressure on natural resources, understanding these interactions becomes increasingly relevant for policymakers seeking to balance development and environmental sustainability in the region.

The study also addresses the implications of market access on herd structure. With limited access to markets, farmers may struggle to optimize their herds for profitability, leading to a focus on subsistence farming. Enhancing market linkages and infrastructure could empower farmers to make more informed decisions about their livestock, ultimately leading to better herd management and higher incomes. This research points to the need for integrated approaches that consider both agricultural practices and market dynamics in shaping the future of livestock farming.

Importantly, the study offers recommendations based on its findings, emphasizing the need for targeted policies aimed at supporting sustainable cattle farming in Katakwi and Soroti. Initiatives that promote education on livestock management, facilitate access to veterinary services, and support women’s roles in agriculture could significantly enhance herd management practices. By leveraging local knowledge and building capacity among farmers, stakeholders can create an enabling environment for improved cattle productivity and profitability.

In conclusion, the research on cattle herds in Katakwi and Soroti not only enriches our understanding of agro-pastoral systems but also highlights the interconnectedness of social, economic, and environmental factors that influence livestock farming. As these communities navigate the challenges of modern agriculture, fostering resilience will be paramount. The insights gained from this study pave the way for future research and interventions aimed at improving the livelihoods of those who depend on cattle farming, ensuring sustainable agricultural practices that benefit both people and the environment.

The significance of this research extends beyond the local context, offering valuable perspectives for global discussions on livestock sustainability. By understanding the nuances of herd structure and management in different regions, stakeholders can formulate strategies that promote food security and rural development in various contexts. As the world grapples with issues of climate change, resource scarcity, and food systems vulnerability, studies like this are essential for guiding policy and practice toward more resilient agricultural frameworks.

As the study draws attention to the critical role of cattle in the lives of farmers in Eastern Uganda, it serves as a reminder of the need for ongoing collaborative efforts involving local communities, researchers, and policymakers. By championing sustainable livestock practices and recognizing the socio-cultural significance of cattle farming, we can contribute to a more equitable agricultural landscape that honors traditional practices while embracing innovation and adaptation.

Ultimately, this research not only informs agricultural policy but also resonates with broader themes of human-animal relationships, cultural identity, and rural development. By fostering dialogue around these topics and prioritizing the voices of local farmers, we can work towards a future that respects and preserves the heritage of agro-pastoral communities while promoting sustainable livelihoods that thrive in harmony with the environment.

Subject of Research: Structure of cattle herds in the agro-pastoral districts of Katakwi and Soroti in Eastern Uganda.

Article Title: Structure of cattle herds in the agro-pastoral districts of Katakwi and Soroti in Eastern Uganda.

Article References:

Ekou, J., Ocaido, M. Structure of cattle herds in the agro-pastoral districts of Katakwi and Soroti in Eastern Uganda.
Discov Anim 2, 91 (2025). https://doi.org/10.1007/s44338-025-00144-0

Image Credits: AI Generated

DOI: https://doi.org/10.1007/s44338-025-00144-0

Keywords: Cattle herds, agro-pastoral systems, livestock management, Eastern Uganda, herd structure, gender dynamics, sustainable agriculture, veterinary services, indigenous breeds, market access.