Planned management and fertility control in a Nelore herd. II. Period from 2.9.1976 to 1.9.1977

Authors

  • José Carlos Sabino de Almeida Féo Universidade Estadual Paulista, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Reprodução Animal, Botucatu, SP
  • Renato Campanarut Barnabe Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia,Departamento de Cirurgia e Obstetrícia, São Paulo, SP
  • Raul Gastão Mucciolo Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia,Departamento de Cirurgia e Obstetrícia, São Paulo, SP

DOI:

https://doi.org/10.11606/issn.2318-3659.v15i1p7-14

Keywords:

Reproduction (efficiency), Fertility (cattle), Management

Abstract

Reproductive performance o f a Nelore herd, raised in Campinas, Brazil is studied on its second year after a fertility control and herd management program was implanted. Analisys of data revealed that: a) 1st. IA conception rate was 65.9%; b) services per conception was 1.4; c) average interval from calving to next estrous was 73.5 days; d) average interval from calving to
conception was 88.7 days, resulting in shorter calving interval (378.7 days), less open days and greater number of calving.

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Published

1978-03-15

Issue

Vol. 15 No. 1 (1978)

Section

ORIGINAL ARTICLES

How to Cite

Planned management and fertility control in a Nelore herd. II. Period from 2.9.1976 to 1.9.1977. (1978). Revista Da Faculdade De Medicina Veterinária E Zootecnia Da Universidade De São Paulo, 15(1), 7-14. https://doi.org/10.11606/issn.2318-3659.v15i1p7-14