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Effect of type of pregnancy (single or twin) on the viability and growth of Polwarth and Corriedale lambs



Effect of type of pregnancy (single or twin) on the viability and growth of Polwarth and Corriedale lambs



Boletim de Industria Animal 47(2): 115-119



For 279 Polwarth and 124 Corriedale single-born lambs, preweaning mortality was 10.8 and 7.3% resp. vs. 25.8 and 25. 0% resp. for 132 and 28 twin-born lambs of the 2 breeds (P<0.01 for both breeds).

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