Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black Trunk
This comprehensive study on the Andalusian Black cattle breed reveals a substantial population decline, with the average herd size decreasing significantly from 305.54 to 88.28 animals per herd. This decline is primarily attributed to agricultural changes and the introduction of foreign meat-focused...
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MDPI AG
2024-04-01
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| Series: | Animals |
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| Online Access: | https://www.mdpi.com/2076-2615/14/7/1131 |
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| author | Luis Favian Cartuche Macas María Esperanza Camacho Vallejo Antonio González Ariza José Manuel León Jurado Juan Vicente Delgado Bermejo Carmen Marín Navas Francisco Javier Navas González |
| author_facet | Luis Favian Cartuche Macas María Esperanza Camacho Vallejo Antonio González Ariza José Manuel León Jurado Juan Vicente Delgado Bermejo Carmen Marín Navas Francisco Javier Navas González |
| author_sort | Luis Favian Cartuche Macas |
| collection | DOAJ |
| description | This comprehensive study on the Andalusian Black cattle breed reveals a substantial population decline, with the average herd size decreasing significantly from 305.54 to 88.28 animals per herd. This decline is primarily attributed to agricultural changes and the introduction of foreign meat-focused breeds. The male-to-female ratio shift is noteworthy, with more cows than bulls, impacting selection intensity for both genders. Inbreeding levels, though relatively low historically (5.94%) and currently (7.23%), raise concerns as 37.08% historically and 48.82% currently of the animals exhibit inbreeding. Positive assortative mating is evident, reflected by the increasing non-random mating coefficient (α). Key ancestors play a crucial role in shaping genetic diversity, with one ancestor significantly influencing the current genetic pool and the top 10 ancestors contributing substantially. Breed maintains a conservation index of 2.75, indicating relatively high genetic diversity. Recent conservation efforts have led to an increase in registered animals. The Cañadas Reales, historical transhumance routes, may have contributed to genetic connections among provinces. Challenges include the historical bottleneck, demographic changes, and potential impacts from reproductive practices. The Andalusian Black breed’s conservation necessitates ongoing efforts in genealogical registration, targeted breeding programs, and collaborative initiatives to address the observed demographic shifts and ensure sustainable genetic diversity. |
| first_indexed | 2024-04-24T10:49:47Z |
| format | Article |
| id | doaj.art-4c36bf9f931342c5b9cf6d2153020181 |
| institution | Directory Open Access Journal |
| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-04-24T10:49:47Z |
| publishDate | 2024-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Animals |
| spelling | doaj.art-4c36bf9f931342c5b9cf6d21530201812024-04-12T13:14:28ZengMDPI AGAnimals2076-26152024-04-01147113110.3390/ani14071131Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black TrunkLuis Favian Cartuche Macas0María Esperanza Camacho Vallejo1Antonio González Ariza2José Manuel León Jurado3Juan Vicente Delgado Bermejo4Carmen Marín Navas5Francisco Javier Navas González6Faculty of Biology, Amazonian State University, Lago Agrio Headquarters, Nueva Loja 210203, EcuadorInstitute of Agricultural Research and Training (IFAPA), Alameda del Obispo, 14005 Córdoba, SpainCentro Agropecuario Provincial de Córdoba, Diputación Provincial de Córdoba, 14014 Córdoba, SpainCentro Agropecuario Provincial de Córdoba, Diputación Provincial de Córdoba, 14014 Córdoba, SpainDepartment of Genetics, Faculty of Veterinary Sciences, University of Córdoba, 14014 Córdoba, SpainDepartment of Genetics, Faculty of Veterinary Sciences, University of Córdoba, 14014 Córdoba, SpainDepartment of Genetics, Faculty of Veterinary Sciences, University of Córdoba, 14014 Córdoba, SpainThis comprehensive study on the Andalusian Black cattle breed reveals a substantial population decline, with the average herd size decreasing significantly from 305.54 to 88.28 animals per herd. This decline is primarily attributed to agricultural changes and the introduction of foreign meat-focused breeds. The male-to-female ratio shift is noteworthy, with more cows than bulls, impacting selection intensity for both genders. Inbreeding levels, though relatively low historically (5.94%) and currently (7.23%), raise concerns as 37.08% historically and 48.82% currently of the animals exhibit inbreeding. Positive assortative mating is evident, reflected by the increasing non-random mating coefficient (α). Key ancestors play a crucial role in shaping genetic diversity, with one ancestor significantly influencing the current genetic pool and the top 10 ancestors contributing substantially. Breed maintains a conservation index of 2.75, indicating relatively high genetic diversity. Recent conservation efforts have led to an increase in registered animals. The Cañadas Reales, historical transhumance routes, may have contributed to genetic connections among provinces. Challenges include the historical bottleneck, demographic changes, and potential impacts from reproductive practices. The Andalusian Black breed’s conservation necessitates ongoing efforts in genealogical registration, targeted breeding programs, and collaborative initiatives to address the observed demographic shifts and ensure sustainable genetic diversity.https://www.mdpi.com/2076-2615/14/7/1131Andalusian Black cattle breedconservationdemographicsstudbookinbreedingGenetic Conservation Index |
| spellingShingle | Luis Favian Cartuche Macas María Esperanza Camacho Vallejo Antonio González Ariza José Manuel León Jurado Juan Vicente Delgado Bermejo Carmen Marín Navas Francisco Javier Navas González Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black Trunk Animals Andalusian Black cattle breed conservation demographics studbook inbreeding Genetic Conservation Index |
| title | Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black Trunk |
| title_full | Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black Trunk |
| title_fullStr | Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black Trunk |
| title_full_unstemmed | Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black Trunk |
| title_short | Analysis of Endangered Andalusian Black Cattle (Negra Andaluza) Reveals Genetic Reservoir for Bovine Black Trunk |
| title_sort | analysis of endangered andalusian black cattle negra andaluza reveals genetic reservoir for bovine black trunk |
| topic | Andalusian Black cattle breed conservation demographics studbook inbreeding Genetic Conservation Index |
| url | https://www.mdpi.com/2076-2615/14/7/1131 |
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