Días abiertos de un grupo de vacas Holstein
A study was conducted during an four years at the savanna of Bogota, whit 2.520 m.a.s.l. and an average temperature of 13.1°C, to analize open days' components in a group of 72 Holstein cows, with one to seven calvings. The parameters studied were: Calving to first postcalving heat; first heat...
| Main Authors: | , |
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| Format: | article |
| Language: | Español |
| Published: |
Instituto Colombiano Agropecuario
2019
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12324/35322 |