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Breeding Management - Midterm
Terms in this set (36)
What are the names of the mare that are at Ellsworth for foal watch this semester?
Blue Eyes, Patti, Sasha
What is the average gestation length in the mare?
How long is the Estrous Cycle in the mare?
How many days are the embryos when they are flushed out of the donor mare for embryo transfer?
What is the large, dominant, ovulating follicle in the mare called?
What is the most common and most accurate method for pregnancy detection in the mare?
Ultrasound through rectal palpation
During early embryonic development, the Wollfian Ducts will give rise to which gender of horse?
What is a specialized structure that regulates the embryonic environment, protects the embryo from concussion, and provides the developing individual nutrients?
Endometrial Cups in the pregnant mare produce which hormone that plays an important role in early pregnancy maintenance?
What is the specific name of the embryo that is formed approximately 8 days following fertilization? It is made up of an inner cell mass, inner cell lining, zona pellucida, and a fluid-filled cavity.
What is the thick walled, muscular structure in the mare's reproductive tract that separates the uterus from the vagina?
What reproductive organ of the mare is a hollow, muscular organ that nourishes and protects the young embryo and developing fetus?
What part of the oviduct is the site of fertilization and early embryonic development?
Isthmus of the oviduct
What is the process in the ovaries that functions in the production of ovum, it is similar to spermatogenesis in the stallion?
What operation is often performed in the mare to prevent inspiration of air and fecal matters into the vagina?
What is the name of the foal's 1st passing of feces?
When does foal diarrhea typically develop in the new foal?
Mare's foal heat
What are the three things to watch for that the foal will do routinely within the first few hours after birth?
Nurse, Stand, Pass Meconium
What are the three stages of parturition and how long does each stage typically last?
Positioning of the foal (1-4 hrs), Delivery of the foal (15-60mins), Delivery of the placenta (1-3 hrs)
Which hormone stimulates milk let-down and myometrial contractions during parturition in the mare?
Name one advantage and disadvantage of breeding with frozen embryos.
Keep forever, costs more money
Where is the embryo deposited in the recipient mare during Embryo Transfer?
The mare's uterus
What are the levels an embryo can be graded at for embryo transfer?
Grade 1,2,3,4 and UFO
List 4 pieces of equipment used in Embryo Transfer
Tubing, pipette, microscope, saline
What are the 4 advanced reproduction techniques used in the industry?
Embryo Transfer, Freezing Semen, Cooled Semen, Semen Sexing
What main hormone is released by the ovaries when the mare is in heat (estrus)?
What main hormone is released by the ovaries during diestrus?
Which structure on the ovary secretes progesterone during the diestrus stage?
Follicle stimulating hormone is released in what gender of horse
Towards the end of diestrus, if the mare is not pregnant, what hormone is secreted by the lining of the uterus to bring the mare back into a new cycle?
Gonadotropin Releasing Hormone
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