Equine Reproductive Physiology and Breeding

Flashcards covering equine reproductive physiology and breeding, including mare and stallion anatomy, endocrine control, behavioral changes, and breeding management.

What are the components of the outer part of a mare's reproductive anatomy?

1. Perineum
2. Vulva
3. Vagina
4. Cervix

What bacteria can the sinuses in the vulva harbor potentially leading to venereal disease?

1. Taylorella equigenitalis
2. Klebsiella pneumonia
3. Pseudomonas aeruginosa

What are the characteristics of the cervix in a sexually inactive/diestrous state?

1. Tightly contracted
2. White in color

How many broad ligaments attach the upper part of the uterus to the lumbar region?

Two

Where does fertilization take place in the mare's reproductive system?

Ampulla of the fallopian tubes/oviducts

Name the structures located in the glans of the stallion's penis.

1. Urethral fossa
2. Dorsal diverticulum

List the glands that contribute to semen production in the stallion.

1. Bulbourethral glands (Cowper’s gland)
2. Prostate gland
3. Vesicular glands (Seminal Vesicle)
4. Ampulla

What are the main secretions from the Vesicular glands?

1. Seminal plasma with high concentration of potassium
2. Citric acid
3. Gel

List key components found in the seminal fluid from the Ampulla

High concentration of ergothionine, an antioxid