No abstract available
MeSH terms
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Animals
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Cattle / blood
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Cattle / physiology*
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Estradiol / blood*
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Estrus
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Female
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Follicle Stimulating Hormone / blood
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Gonadotropins, Pituitary / blood*
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Luteinizing Hormone / blood
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Pituitary Hormone-Releasing Hormones / blood*
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Pregnancy
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Progesterone / blood*
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Prolactin / blood
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Radioimmunoassay
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Time Factors
Substances
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Gonadotropins, Pituitary
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Pituitary Hormone-Releasing Hormones
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Progesterone
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Estradiol
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Prolactin
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Luteinizing Hormone
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Follicle Stimulating Hormone