A study of some genetical and environmental factors affecting performance of laying hens and their crosses.
Esam Fouad Abd El Hamied;
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| Title | A study of some genetical and environmental factors affecting performance of laying hens and their crosses. | Authors | Esam Fouad Abd El Hamied | Keywords | A study of some genetical and environmental factors affecting performance of laying hens and their crosses. | Issue Date | 1993 |
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