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- [5] STUDIES ON THE BREEDING SEASON AND REPRODUCTION OF THE EWE .1. THE BREEDING SEASON IN DIFFERENT ENVIRONMENTS .2. THE BREEDING SEASON IN ONE LOCALITY JOURNAL OF AGRICULTURAL SCIENCE, 1952, 42 (03): : 189 - 231
- [6] INVESTIGATIONS OF THE CHOLINE REQUIREMENT OF LAYING HENS .1. THE INFLUENCE OF DIFFERENT SUPPLY WITH CHOLINE ON CRITERIA OF EGG-PRODUCTION ARCHIV FUR TIERERNAHRUNG-ARCHIVES OF ANIMAL NUTRITION, 1980, 30 (10-1): : 795 - 804
- [7] EVALUATION OF SELECTION METHODS IN A POULTRY BREEDING PROGRAM .1. SELECTION FOR RATE OF EGG-PRODUCTION ON BASIS OF PART YEAR RECORD WITH AND WITHOUT FULL-SIBBING EGYPTIAN JOURNAL OF GENETICS AND CYTOLOGY, 1978, 7 (01): : 79 - 90