Paramètres de reproduction et de dynamique de population de la chèvre locale de Mbanza-Ngungu en République démocratique du Congo

Sabimana, Richard Gasigwa; Simon, Patrick Baenyi; Vumilia, Roger Kizungu

doi:10.19182/remvt.31522

Cited by 4 publications

(2 citation statements)

References 7 publications

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“…The gestation length of about 146 days with a reported range between 143 and 153 days was observed in goat populations in SSA [12]. In DR Congo, this period was for about 145 to 150 days [34].…”

Section: Production Systems Of Goats In Ssarmentioning

confidence: 92%

“…However, the buck attains the sexual maturity at five or six months. Three kidding were observed in two years and the multiple kidding depended on the rank of the litter [34]. Twins kidding were usually observed at the second kidding and the triplet at the sixth kidding with the probability of Open Journal of Animal Sciences 6.8% on total number of the plain female.…”

Section: Production Systems Of Goats In Ssarmentioning

confidence: 99%

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Production Systems, Genetic Diversity and Genes Associated with Prolificacy and Milk Production in Indigenous Goats of Sub-Saharan Africa: A Review

Baenyi¹,

Jung'a²,

Tiambo³

et al. 2020

OJAS

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Goats are one of the oldest domesticated animal species widely distributed in the world playing an important role in the food production system in Sub-Saharan African Region (SSAR). Due to their multiple uses (milk production, meat, fiber and hides) and adaptation aptitudes to ecological conditions, goats produce and contribute positively to farmers' socio-economy status in various production systems. This review aimed at giving a summary overview on the goat's production systems characteristics, the genetic diversity and the candidate genes affecting reproductive and milk production performances in goat breeds in SSAR. It has been observed that traditional livestock production system with communal grazing system is the most used in goat keeping in SSAR. The geographical locations play an important role in the relationships between goat's distributions in the region. At the same time, goats might have been differentiated and isolated one to others due to the wide geographic range, the diversify climate and the topography in the region. Among the six worldwide known haplogroups of goat (A, B, C, D, G and F), haplogroup A is the most representative in SSAR. However, haplogroup G and B can be found in some goat populations in some countries in east (Kenya and Ethiopia) and south parts of Africa.

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Section: Production Systems Of Goats In Ssarmentioning

confidence: 92%

Section: Production Systems Of Goats In Ssarmentioning

confidence: 99%

Production Systems, Genetic Diversity and Genes Associated with Prolificacy and Milk Production in Indigenous Goats of Sub-Saharan Africa: A Review

Baenyi¹,

Jung'a²,

Tiambo³

et al. 2020

OJAS

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Haplotype analysis of the mitochondrial DNA d‐loop region reveals the maternal origin and historical dynamics among the indigenous goat populations in east and west of the Democratic Republic of Congo

Simon

Jung'a

Tarekegn

et al. 2022

Ecology and Evolution

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This study aimed at assessing haplotype diversity and population dynamics of three Congolese indigenous goat populations that included Kasai goat (KG), small goat (SG), and dwarf goat (DG) of the Democratic Republic of Congo (DRC). The 1169 bp d‐loop region of mitochondrial DNA (mtDNA) was sequenced for 339 Congolese indigenous goats. The total length of sequences was used to generate the haplotypes and evaluate their diversities, whereas the hypervariable region (HVI, 453 bp) was analyzed to define the maternal variation and the demographic dynamic. A total of 568 segregating sites that generated 192 haplotypes were observed from the entire d‐loop region (1169 bp d‐loop). Phylogenetic analyses using reference haplotypes from the six globally defined goat mtDNA haplogroups showed that all the three Congolese indigenous goat populations studied clustered into the dominant haplogroup A, as revealed by the neighbor‐joining (NJ) tree and median‐joining (MJ) network. Nine haplotypes were shared between the studied goats and goat populations from Pakistan (1 haplotype), Kenya, Ethiopia and Algeria (1 haplotype), Zimbabwe (1 haplotype), Cameroon (3 haplotypes), and Mozambique (3 haplotypes). The population pairwise analysis (FST) indicated a weak differentiation between the Congolese indigenous goat populations. Negative and significant (p‐value <.05) values for Fu's Fs (−20.418) and Tajima's (−2.189) tests showed the expansion in the history of the three Congolese indigenous goat populations. These results suggest a weak differentiation and a single maternal origin for the studied goats. This information will contribute to the improvement of the management strategies and long‐term conservation of indigenous goats in DRC.

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Typology, management and smallholder farmer-preferred traits for selection of indigenous goats (Capra hisrcus) in three agro-ecological zones in the Democratic Republic of Congo

Simon

Joseph

Ochieng

et al. 2021

Journal of Applied Animal Research

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Paramètres de reproduction et de dynamique de population de la chèvre locale de Mbanza-Ngungu en République démocratique du Congo

Cited by 4 publications

References 7 publications

Production Systems, Genetic Diversity and Genes Associated with Prolificacy and Milk Production in Indigenous Goats of Sub-Saharan Africa: A Review

Production Systems, Genetic Diversity and Genes Associated with Prolificacy and Milk Production in Indigenous Goats of Sub-Saharan Africa: A Review

Haplotype analysis of the mitochondrial DNA d‐loop region reveals the maternal origin and historical dynamics among the indigenous goat populations in east and west of the Democratic Republic of Congo

Typology, management and smallholder farmer-preferred traits for selection of indigenous goats (Capra hisrcus) in three agro-ecological zones in the Democratic Republic of Congo

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