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Effect of differentiated feeding on production indices and response of medium weight Astra S hens to deprivation of drinking water


, : Effect of differentiated feeding on production indices and response of medium weight Astra S hens to deprivation of drinking water. Roczniki Naukowe Zootechniki 19(1): 167-187

Groups of 36 Astra S hens, 16 weeks old, were given a standard complete feed with 16% crude protein (CP) (control) or on feed mixtures with plant protein from cereals providing diet with 16% CP (0-27 weeks of experiment) (1), or 14% CP from 0-16 weeks with 16 (2), 14 (3) or 12% CP (4) from 17-27 weeks. Diet 4 contained fish meal. Average number of eggs produced by groups 1, 2, 3 and 4 was 84, 98.1, 95.8 and 95.8% of number produced by controls.

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