University:
Texas A&M University
Course:
BIOL 107 | Zoology
Academic year:

2023
Views:

157

Pages:

2
Author:

Quintin Ware

Reproductive Systems Circle true if the statement is true, and Circle False if the statement is false. Make sure you only circle one answer. The entire estrous cycle lasts about a month. T F (18-21 days) Progesterone levels are high during diestrus. T F The cervix contracts during estrus. T F (diestrus) The vagina is the external opening if the mare’s reproductive system. T F (vulva) The mare’s oviducts extend from the ovaries to the uterus. T F The mare’s vagina forms a sheath for the acceptance of the stallion during the breeding process. T F Semen samples can be frozen to be used later. T F The Jockey Club, the organization that oversees the Thoroughbred industry in the United States, allows horses to be bred by AI. T F Horses may only be bred through live cover. In these groups of three there is one that is not a sign of a mare in estrus, circle the phrase which is not a sign of estrus. Make sure that you only circle one answer. Group 1 Raising the tail Pawing the Ground Squatting Group 2 Receptive attitude towards stallion Spreading hind legs Sniffing the air Group 3 Slight mucus discharge from vagina Winking of the labia Increased appetite Multiple Choice. Circle the choice that best answers the question. Which of the following would NOT help decrease a mare’s chance of infection when mating? A – Wrapping the upper third of the tail B – Having a vet examine the mare and stallion for diseases C – Brushing its coat D – Washing the mare’s genitals with warm water The breeding method where a mare and stallion are turned into a paddock to mate on their own is called: A – Artificial Insemination B – Corral Mating C – Hand Mating D – Pasture Mating What accommodates the developing fetus? A – The oviducts B – The vagina C – The cervix D – The uterus What hormone decreases the mare’s receptiveness to the stallion? A – Estrogen B – Follicle stimulating hormone (FSH) C – Luteinizing hormone (LH) D - Progesterone