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| Maffi,Andressa Stein; Luz,Gabriela Bueno; Gasperin,Bernardo Garziera; Mattos,Raine Fonseca; Xavier,Eduardo Gularte; Corrêa,Marcio Nunes; Brauner,Cássio Cassal. |
| ABSTRACT: The aim of this study was to evaluate the economic viability of the use of a lactation induction protocol in Holstein heifers. Were collected data of nutritional, reproductive and sanitary management pre and post-lactation period from 30 induction heifers (IG) and 30 pregnant heifers (CG). All animals were inseminated around 14 months of age and started lactation at 23±4 months. The animals of IG were heifers do not pregnant after two inseminations and natural service e were induced to lactation according to protocol: from the 1st to the 8th day, 30 mg of estradiol benzoate were administered daily, together with 300 mg of progesterone. From the 9th until the 14th, animals only received daily doses of 20 mg estradiol benzoate. On 16th day, 0.56... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Economic viability; Heifers; Induced lactation. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001200701 |
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