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13 Cards in this Set
- Front
- Back
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What hormone is produced by the CL?
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Progesterone
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What hormone is used to induce labor?
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Oxytocin
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Gestation
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Period of time between mating to birthing during which the fetus develops.
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Estrus
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Standing Heat
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Estrous
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Period of time between one heat and the next.
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Estrous Cycle Stages (4)
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1) Proestrus (follicles incr)
2) Estrus (estrogen incr) 3) Metestrus (estrogen low) 4) Diestrus (progesterone high, FSH low) |
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Polyestrus
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Ovulating more than once per year.
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3 Types of Uterus and animals that have them.
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Duplex: opossum, mouse, rabbit
Bicornuate: cow, ewe, mare, sow, bitch Simplex: Primate |
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What are some examples of Male Secondary Sex Characteristics?
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1) Pubic hair & lower voices – humans
2) Jowls crest in neck – cats 3) Crests in necks – horses, bulls, rams 4) Increase libido & aggression |
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Advantage of Embryo Transfer
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Increased # of offspring per year (50+)
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Advantage of Artificial Insemination
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Genetic Improvement
Disease Control Control Breeding Season |
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What is the length of the entire cycle of spermatogenesis?
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50 - 60 days
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What are the parts of a breeding soundness exam?
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1) Scrotal circumference measurement
2) Rectal Palpation 3) Semen evaluation |
