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Quality classes for eggs and chicks

, : Quality classes for eggs and chicks. Ptitsevodstvo ( 8): 16-18

For large numbers of eggs of fowls of the meat cross Belarus-9 and egg-laying crosses Yantar-1 and Zarya-17, incubated in 1987-1988, an 85% reduction in egg hatchability occurred for eggs with a high degree of shell damage, a 20% reduction for eggs with slight-to-medium damage, and a 10% reduction for eggs with the shape index >81% or <67%. For 162 chicks hatched from eggs with slight to medium damage, 71 were passed as suitable for rearing; for these, survival to 3 months of age was 95.7%.

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