Reproduction traits, growth traits and age at first calving in Holstein heifers
The objective of this study was to verify the reproductive efficiency expressed by traits, interval from first to second calving (IDP), number of services per conception to the first calving (NSC1), number of services per conception for the second calving (NSC2), service period from the first to the...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Universidade Estadual de Londrina
2014-02-01
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Series: | Semina: Ciências Agrárias |
Subjects: | |
Online Access: | http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/16633 |