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- [22] Aspects regarding the influence of the energetic level and of the calcium in breeding of laying hens [J]. Bulletin of the University of Agricultural Sciences and Veterinary Medicine, Vols 57 and 58: VETERINARY MEDICINE, 2002, 57-8 : 561 - 569
- [24] CALCIUM AND PHOSPHORUS REQUIREMENTS OF LAYING HENS [J]. BRITISH POULTRY SCIENCE, 1970, 11 (02) : 231 - &