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Animal Science

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Term
Definition
Castration   removing testicles of males to prevent from breeding.  
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Colostrum   the first milk produced after a mammal gives birth that contains antibodies needed for immunity.  
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Estrus Cycle   the length of a females cycle from one estrus to the next.  
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Gestation   time an animal is pregnant  
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Puberty   age at which animals reach sexual maturity & begin to come into heat.  
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Lactation   period of time that milk is secreted by the mammary glands.  
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Parturition   the act of giving birth.  
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Ovulation   the release of an egg from the ovary.  
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Fertilization   the union of sperm in the egg cells.  
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Infundibulum   funneled shaped organ that catches the egg  
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Ovaries   organ that holds the eggs  
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Oviducts   catches the sperm & sends it through the uterus  
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Uterus   supports embryo & fetus during gestation.  
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Vagina   receives penis & sperm  
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Vulva   opening for the urinary & genital tracts  
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Testicles   produce sperm  
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Vent   outside opening to the poultry reproductive tract  
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Cloaca   located between the vent & the base of oviducts  
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Heritability   the likelihood of a trait being passed from parent to offspring.  
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