IMPACTO DA IDADE AO PARTO NO DESEMPENHO PRODUTIVO E REPRODUTIVO EM VACAS HOLANDESAS PRIMÍPARAS

@inproceedings{Grebogi2008IMPACTODI,
  title={IMPACTO DA IDADE AO PARTO NO DESEMPENHO PRODUTIVO E REPRODUTIVO EM VACAS HOLANDESAS PRIM{\'I}PARAS},
  author={Alceu Miguel Grebogi and Andr{\'e} Ostrensky and Felipe Pohl and Rodrigo Braga de Almeida and Romildo Romualdo Weiss and Luiz Ernandes Kozicki and Jos{\'e} Carlos dos Santos Breda and Alisson Bruno de Moraes Giacomeli},
  year={2008}
}
The aim of this study was to determine the impact of age at first calving (AFC) on lactation and reproduction performance in dairy cows. Thirtytwo first-parity Holsteins were distributed in two groups by AFC: 16 first-parity females were named as “Younger”, with AFC lower than 700 days, and 16 were classified as “Older”, with AFC above 700 days. Lactation and reproduction data were analyzed using GLM procedure from SAS. Firstlactation cows that calved before 700 days of age displayead lower (P… CONTINUE READING