Effect of supplementation on pasture during the dry season with ground ear corn and cotton seed meal on Gir, Sindi and Guzera heifers

Authors

  • Pedro Biondi Instituto de Zootecnia, Divisão de Zootecnia de Bovinos Leiteiros, Nova Odessa, SP
  • Ernesto Augusto Nogueira de Freitas Instituto de Pesca, São Paulo, SP
  • Roberto Pedro Benintendi Instituto de Zootecnia, Divisão de Zootecnia de Bovinos Leiteiros, Nova Odessa, SP
  • Benedicto do Espírito Santo de Campos Instituto de Zootecnia, Divisão Técnica Básica e Auxiliar, Seção de Estatística e Técnica Experimental, Nova Odessa, SP

Abstract

It was studied the effects of supplementation with thirty six heifers of €œgir€, €œsindi€ and €œguzerဠbreed, kept in a pasture of guinea grass (Panicum maximum Jacq.) during the dry season (July to October), using the following treatments: A: ground ear com; B: cotton seed meal; C: ground ear com plus cotton seed meal; D: control. The experimental design was the complete randomized block in a factorial array 3 x 4 (breeds x supplementations) with three replications. At the end of the supplementation period of 84 days, the gain weight of the heifers were observed during more 180 days. The average daily gain weight the period of 84 days were 0.250, 0.224 and 0.181kg for gir, sindi and guzerá breeds, respectively. Supplementation with ground ear com and cotton seed meal showed significant differences in gain weight at the level of 0.01 and 0.05 of probability, respectively. Breeds were significant at 0.05 level of probability demonstrated that gir breed had the best gain weight in relation to guzera breed. Analysis at 180 days revealed an average daily 9am weight of 0.564, 0524 and 0.433kg, respectively, for guzerá, sindi and gir breed. Supplementation during the dry season did not reduced the age at the first calving.

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Published

2014-01-29

Issue

Section

ANIMAL NUTRITION

How to Cite

Effect of supplementation on pasture during the dry season with ground ear corn and cotton seed meal on Gir, Sindi and Guzera heifers. (2014). Bulletin of Animal Husbandry, 42(1), 85-92. http://bia.iz.sp.gov.br/index.php/bia/article/view/631

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