Over the past decade, community-based breeding programs (CBBPs) have been promoted as a viable approach to improving smallholder livelihoods through a systematic livestock breeding. CBBPs aim to initiate systematic breeding at the community level, including an organized animal identification and recording of performance and pedigree data. To ensure the breeding programs' continuity, building capacities, and ownership among participants are essential to the approach. This study's purpose was to understand how CBBPs have evolved in specific institutional settings and which dynamics occur in the course of implementation. We addressed these questions in reflective conversations with six coordinators of a diverse sample of CBBPs: goats (Malawi, Uganda, and Mexico), sheep (Ethiopia), alpaca (Peru), and cattle (Burkina Faso). The interviews and analysis were guided by categories of the multi-level perspective. The respondents considered lack of funding and weak institutionalization as the main constraints on the CBBPs. While the idea of participation and localized ownership was at the center of the programs, linear paradigms of knowledge transfer prevailed. In all cases, the impulse to start a CBBP came from individual researchers, who relied on intermediaries, such as extension agents, for implementation. Personal relations and trust were seen as both a factor in the success and a positive outcome of CBBPs. We conclude that these findings have different implications depending on how rural development is conceptualized: proponents of the innovation systems perspective would call for stakeholders to further align their interests and coordinate their actions. Proponents of process-relational concepts, in contrast, would not consider the CBBP a product but a starting-point for initiators and participants to continuously discover new ways of collaboration and engagement.
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http://dx.doi.org/10.3389/fvets.2021.613505 | DOI Listing |
Foods
December 2024
Institute of Animal Husbandry and Veterinary Science, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China.
Chinese local pig breeds have unique meat flavor. In this study, we investigated the meat quality traits and the characteristics of the nutritional flavor substances such as amino acids (AAs), fatty acids (FAs), thiamine (Vitamin B1, VB1), and inosine monophosphate (IMP) in four Shanghai local pig breeds (MMS, SW, PD, and SHW) and the commercial crossbred Duroc × Landrace × Yorkshire (DLY) breed. The results showed that the intramuscular fat (IMF) and protein content in the longissimus dorsi muscle (L) of Shanghai local breeds, especially Shanghai MMS and PD breeds, were significantly higher than those of the DLY breed (-value < 0.
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January 2025
State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot 010070, China.
Polyunsaturated fatty acids (PUFAs) such as linoleic acid (18:2, n-6) and α-linolenic acid (18:3, n-3) are essential for the growth, development, and well-being of mammals. However, most mammals, including humans, cannot synthesize n-3 and n-6 PUFAs and these must be obtained through diet. The beneficial effect of converting n-6 polyunsaturated fatty acids (n-6 PUFAs) into n-3 polyunsaturated fatty acids (n-3 PUFAs) has led to extensive research on the flax fatty acid desaturase 3 () gene, which encodes fatty acid desaturase.
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January 2025
Livestock and Wildlife Laboratory (LR16IRA04), Arid Lands Institute, University of Gabès, Médenine 4119, Tunisia.
Camels () are seasonal short-day breeders, regulated by photoperiod and melatonin secretion. However, no studies have explored melatonin levels in camel seminal plasma or their relationship with testosterone, age, or climatic factors, nor is it known whether melatonin receptors exist in camel spermatozoa to respond to seminal melatonin. This study aimed to analyze melatonin levels in camel seminal plasma and its specific receptors in spermatozoa.
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January 2025
School of Agricultural Science and Engineering, Liaocheng University, Liaocheng 252000, China.
Animals (Basel)
December 2024
State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China.
Myostatin (MSTN) serves as a negative regulatory factor for muscle development. A reduction in MSTN gene expression can enhance muscle mass and increase meat production. However, whether it will impact meat quality traits remains one of the major concerns in the cattle breeding industry.
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