Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica
| Autores principales: | , , , , |
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| Formato: | Online |
| Idioma: | spa |
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Universidad Nacional, Costa Rica
2016
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| Acceso en línea: | https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/7629 |
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VETERINARIA7629 |
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ojs |
| institution |
Universidad Nacional de Costa Rica |
| collection |
Ciencias Veterinarias |
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spa |
| format |
Online |
| author |
Castillo Badilla, Gloriana Salazar Carranza, Mauren Murillo Herrera, Jaime Hueckmann Voss, Frank Romero Zúñiga, Juan José |
| spellingShingle |
Castillo Badilla, Gloriana Salazar Carranza, Mauren Murillo Herrera, Jaime Hueckmann Voss, Frank Romero Zúñiga, Juan José Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica |
| author_facet |
Castillo Badilla, Gloriana Salazar Carranza, Mauren Murillo Herrera, Jaime Hueckmann Voss, Frank Romero Zúñiga, Juan José |
| author_sort |
Castillo Badilla, Gloriana |
| title |
Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica |
| title_short |
Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica |
| title_full |
Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica |
| title_fullStr |
Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica |
| title_full_unstemmed |
Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica |
| title_sort |
effect of age at first calving on reproductive parameters in the first lactation of holstein and jersey cattle from costa rica |
| title_alt |
Efecto de la edad al primer parto sobre parámetros reproductivos en la primera lactancia de vacas Holstein y Jersey de Costa Rica |
| publisher |
Universidad Nacional, Costa Rica |
| publishDate |
2016 |
| url |
https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/7629 |
| work_keys_str_mv |
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VETERINARIA76292019-08-27T15:14:18Z Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica Efecto de la edad al primer parto sobre parámetros reproductivos en la primera lactancia de vacas Holstein y Jersey de Costa Rica Castillo Badilla, Gloriana Salazar Carranza, Mauren Murillo Herrera, Jaime Hueckmann Voss, Frank Romero Zúñiga, Juan José reproducción bovinos trópico salud de hato sistemas de producción informática reproduction cattle tropics herd health production systems Information Technology A retrospective study including 28,367 purebred Jersey and 46,029 purebred Holstein cattle, from specialized dairy farms of different ecological areas in Costa Rica was conducted from 2000 to 2010 in order to quantify the effect of age at first calving (AFC) on the reproductive parameters of the first lactation. Data included records in the VAMPP Bovino 3.0 software from the Regional Information Technology Center for Sustainable Animal Production (CRIPAS) of the School of Veterinary Medicine, National University of Costa Rica. Data was analyzed using descriptive statistics and a linear mixed model. The results showed a significant effect of age at first calving (AFC) in the calving to conception interval (CCI) of Holstein cows (P<0.001), with -13 and -6 days for cows with AFC <26 months and AFC 26-33months, respectively. CCI was not significantly affected in Jersey cows (P=0.25). In addition, average services per conception (SPC) corresponded to 1.44 (D.E. 0.83/IC95%: 1.44 – 1.44) for Holstein cows and 1.48 (D.E. 0.93/ IC95%: 1.46 – 1.49) for Jersey animals. This parameter was significantly influenced by AFC in both breeds (P<0.0001), with a decreased SPC in 1.1 in Holstein and 0.6 in Jersey cows, in those animals with low and medium AFC, compared to high AFC. Consequently, the increment in AFC, adjusted by environmental, management and intrinsic variables of the cow, had a negative effect over the CCI of the first lactation of Holstein cows, but not in Jersey animals; similarly, there was a negative effect of the AFC over SPC in both breeds. Se realizó un estudio retrospectivo en 28 367 animales raza Jersey puro y 46 029 Holstein puras, de lecherías especializadas de distintas zonas ecológicas de Costa Rica, en el periodo comprendido entre los años 2000 y 2010, con el fin de cuantificar el efecto provocado por la edad al primer parto (EPP) sobre los parámetros reproductivos durante la primera lactancia. Se incluyeron los datos de vacas, registrados en el programa VAMPP Bovino 3.0, en el Centro Regional de Informática para la Producción Animal Sostenible (CRIPAS), de la Escuela de Medicina Veterinaria de la Universidad Nacional de Costa Rica. Los datos fueron analizados por medio de estadística descriptiva y un modelo lineal mixto. Hubo efecto significativo de la EPP sobre el intervalo parto concepción (IPC) en la raza Holstein (P<0.0001), con -13 y -6 días para las hembras con EPP <26 meses y EPP 26-33meses, respectivamente. El IPC no se vio afectado, significativamente, por la EPP en la raza Jersey (P=0.25). Asimismo, los servicios por concepción (SPC) correspondieron a 1.44 (D.E. 0.83/IC95%: 1.44 – 1.44) para vacas Holstein y 1.48 (D.E. 0.93/IC95%: 1.46 – 1.49) para Jersey. Este parámetro se vio influenciado significativamente por la EPP en ambas razas (P<0.0001); en donde se presentaron 1.1 y 0.6menos SPC aquellos animales con EPP baja y media, en comparación a los de alta EPP, en la raza Holstein y Jersey respectivamente. De ese modo, el incremento en la EPP, ajustada por variables ambientales, de manejo e intrínsecas de la vaca, tuvo efecto negativo sobre el IPC de la primera lactancia de las vacas Holstein, pero no en Jersey; del mismo modo, hubo un efecto negativo de la EPP sobre los SPC en ambas razas. Universidad Nacional, Costa Rica 2016-02-15 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/7629 10.15359/rcv.33-1.2 Ciencias Veterinarias; Vol. 33 No. 1 (2015): Ciencias Veterinarias (Enero-Junio); 33-45 Ciencias Veterinarias; Vol. 33 Núm. 1 (2015): Ciencias Veterinarias (Enero-Junio); 33-45 2215-4507 0250-5649 spa https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/7629/8070 https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/7629/8073 Copyright (c) 2016 Revista Ciencias Veterinarias |