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Cattle
Lactation
Reproduction
Time Factors
Pregnancy Rates
Insemination, Artificial
Random Allocation
Ovulation Induction
Estrus Synchronization
Pregnancy
Animal Nutritional Physiological Phenomenon
Dairying
Fertility
Progesterone
Dinoprost
Gonadotropin-Releasing Hormone
Milk
Ovaries
Abortion, Veterinary
Cattle Diseases
Co-Publications
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18
13
11
9
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7
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5
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