Uso de inseminación artificial en rebaños lecheros en el Noroeste Rio-grandense, Brasil

Autores/as

  • Heitor-José Cervo Universidade Federal do Rio Grande do Sul
  • Júlio-Otávio Jardim-Barcellos Universidade Federal do Rio Grande do Sul
  • Vanessa Peripolli Instituto Federal Catarinense
  • Concepta McManus Universidade de Brasília

DOI:

https://doi.org/10.17533/udea.rccp.v36n3a3

Palabras clave:

inseminación artificial, granjas de ganado, vaca, vaca lechera, granja lechera, vacas lecheras, rebaño lechero, negocio lácteo, productividad agrícola, tamaño de la granja, mejora genética, tamaño de la manada, inseminación, leche, precio de la leche, producción de leche, análisis multivariado, reproducción, biotecnologías reproductivas

Resumen

Antecedentes: El uso de la inseminación artificial (IA) en ganado lechero impacta directamente sus niveles de producción a través del mejoramiento genético e, indirectamente, a través del uso de otras tecnologías que permiten una mejor expresión del potencial genético. Objetivo: Determinar la asociación entre el uso de IA y otros factores en el desempeño productivo de las vacas lecheras. Métodos: El estudio se realizó en 195 granjas lecheras para observar el impacto del uso de IA en la productividad mediante la aplicación de cuestionarios estructurados a los granjeros. Se utilizo un análisis de varianza (GLM) para evaluar la producción de leche del rebaño y el tamaño de la granja. Se realizaron análisis multivariados para observar el grado de asociación entre la inseminación artificial y la productividad. Se evaluaron cuatro grupos debido a las características de producción y el tamaño de la granja. Resultados: Los grupos mostraron una alta discriminación (90%). Los factores principales explicaron el 70% de la varianza entre grupos. Las variables que mejor explicaron la variación entre grupos fueron: Vacas lactantes por año, Producción mensual de leche, Área de la granja, y Vacas totales. Los análisis de correspondencia mostraron que el uso de IA está asociado con mayores niveles de producción e inversiones en nutrición, gestión, genética y tecnología. Conclusiones: El uso de la IA mejora la producción al aumentar la productividad y permite mayores ganancias por litro de leche comercializado.

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Biografía del autor/a

Heitor-José Cervo, Universidade Federal do Rio Grande do Sul

Faculdade de Agronomia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brasil
Instituto Federal do Rio Grande do Sul - Campus Sertão, Sertão, Rio Grande do Sul, Brasil
https://orcid.org/0000-0003-2596-2401

Júlio-Otávio Jardim-Barcellos, Universidade Federal do Rio Grande do Sul

Faculdade de Agronomia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brasil
https://orcid.org/0000-0001-9858-1728

Vanessa Peripolli, Instituto Federal Catarinense

Instituto Federal Catarinense - Campus Araquari, Araquari, Santa Catarina, Brasil
https://orcid.org/0000-0002-0463-4727

Concepta McManus, Universidade de Brasília

Instituto de Biologia, Universidade de Brasília, Brasília, Distrito Federal, Brasil
https://orcid.org/0000-0002-1106-8962

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Publicado

2022-11-29

Cómo citar

Cervo, H.-J., Jardim-Barcellos, J.-O., Peripolli, V., & McManus, C. (2022). Uso de inseminación artificial en rebaños lecheros en el Noroeste Rio-grandense, Brasil. Revista Colombiana De Ciencias Pecuarias, 36(3), 141–151. https://doi.org/10.17533/udea.rccp.v36n3a3

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