نتایج جستجو برای: sex ratio
تعداد نتایج: 679335 فیلتر نتایج به سال:
Journal:
Iranian Journal of Veterinary Medicine
2018
Background: Newborn gender ratio is one of the most important factors in livestock industry. This ratio has affected on economic condition and controls sex-linked genetically transferred diseases. Offspring sex ratio is affected by such various factors. One of these factors is the Y to X bearing sperm ratio in normal semen that is called primary sex ratio, season and individual differences are ...
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:Journal of Zoology
2016
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:Peer Community In Evolutionary Biology
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:Reproductive BioMedicine Online
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:Japanese Journal of Health and Human Ecology
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