Monthly variation in fertility, embryonic mortality and hatchability of four breeds of poultry in the Sudan
(1)Hatching eggs from poultry breeds commonly used in the Sudan were weekly set from November to April for a period of three consecutive years. (2)A total number of 46,707 eggs were examined in this report. (3)It was found that both fertility and hatchability suffer seriously in March and April due...
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| Format: | Journal Article |
| Language: | Inglés |
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1972
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| Online Access: | https://hdl.handle.net/10568/66793 |
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