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Milk production of Hampshire Down and Ile de France ewes up to 84 days of lactation/
Produção de leite de ovelhas Hampshire Down e Ile de France até os 84 dias de lactação

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Author(s): Marcos Rodrigues Podleskis | Edson Luis de Azambuja Ribeiro | Marco Antonio da Rocha | Leandro das Dores Ferreira da Silva | Ivone Yurika Mizubuti | Rinaldo Masato Mori | Danilo Otavio Laurenti Ferreira | Tiago Rodrigues Casimiro

Journal: Semina : Ciências Agrárias
ISSN 1676-546X

Volume: 26;
Issue: 1;
Start page: 117;
Date: 2005;
Original page

Keywords: Curva de lactação | Habilidade materna | Ovinos | Pesos | Raças.

ABSTRACT
The objective of this study was to evaluate the milk production of Hampshire Down and Ile de France ewes, six or eight teeth old, nursing male or female lambs, as well as to evaluate the effect of litter size on milk production of Hampshire Down ewes. This study was carried out at the Farm School of the State University of Londrina, Brazil, between June and December, 2001. The animals fed on a Coastcross (Cynodon dactilon (L) Pears) pasture, and received food supplementation daily, 2 kg of corn silage and 100 g of grounded corn, from June to September. Milk production was estimated, by hand milking the ewes with the aid of 3 IU of oxitocyn injection, at days 14, 28, 42, 56, 70 and 84 of lactation. There were no differences (P>0.05) in milk production and in ewe weights between breeds, ages, and between Hampshire Down ewes nursing twins or singlets. But, ew s nursing male lambs had greater (P0,05) para a produção de leite e para pesos das ovelhas entre as raças envolvidas, entre as idades das ovelhas e entre ovelhas Hampshire Down amamentando um ou dois cordeiros. Porém, em relação ao sexo dos cordeiros, ovelhas amamentandomachos tiveram uma produção média diária de leite significativamente (P
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