Effect of the type of pregnancy (single or multiple) on the survival and weight gain in Pollwart and Corriedale lambs

Authors

  • Domingos Sanchez Roda Instituto de Zootecnia, Divisão de Zootecnia Diversificada, Seção de Ovinos e Caprinos, Nova Odessa, SP
  • Paulo Alberto Otto Universidade de São Paulo, Instituto de Biociências, Departamento de Biologia, São Paulo, SP
  • Luiz Eduardo dos Santos Instituto de Zootecnia, Divisão de Zootecnia Diversificada, Seção de Ovinos e Caprinos, Nova Odessa, SP
  • Walter Dupas Instituto de Zootecnia, Divisão de Zootecnia Diversificada, Seção de Ovinos e Caprinos, Nova Odessa, SP
  • Adelma Santana Leal Feitoza Instituto de Zootecnia, Posto de Ovinos e Caprinos de Itapetininga, SP
  • Diorande Bianchini Instituto de Zootecnia, Posto de Ovinos e Caprinos de Itapetininga, SP

Keywords:

pre-weaning mortality, single and twin lambs, pollwart, corriedale

Abstract

In the present work, we developed several extensive experiments with Pollwart (Ideal) and Corriedale sheep flocks, at the Posto de Ovinos e Caprinos de Itapetininga, Instituto de Zootecnia, Secretaria da Agricultura do Estado de Sao Paulo, with the aim of investigating the effects of the preweaning mortality and the birth and weaning weight for twin and single lambs. The preweaning mortality among twin lambs was higher than that observed among single lambs. The weights at birth and at weaning were significantly higher for single than for twin lambs in both races.

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Published

2014-01-14

Issue

Section

ANIMAL REPRODUCTION

How to Cite

Effect of the type of pregnancy (single or multiple) on the survival and weight gain in Pollwart and Corriedale lambs. (2014). Bulletin of Animal Husbandry, 47(2), 115-119. http://35.198.24.243/index.php/bia/article/view/893

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