![MARE
• The ovary is a bean shaped organ which
varies in size with season.
• The ovaries and follicles of the mare are
the largest in the farm animal species .
• [2-3 inches (6-8 cm) in length, 1-1.5
inches (3-4 cm) in height, 70-80 gm]](https://image.slidesharecdn.com/bilalpresentation-170328130351/85/Cattle-and-Mare-reproductive-system-differences-8-320.jpg)
Cattle and Mare reproductive system differences
- 1. Reproductive system of Cow and Mare DR. BILAL ANWAR University of veterinary and animal sciences , PAKISTAN
- 2. Reproductive system • The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of sexual reproduction.
- 5. Female tract of Cattle.
- 6. Female tract of Mare
- 7. General sequence of organs in rep. system • Ovary - the ovary is comparable to the male testicle and is the site of gamete production. • A bovine animal has 20,000 potential eggs per ovary, while a human female has 400,000 potential eggs per ovary. The ovaries have three major functions: • Gamete production • Secrete estrogen (hormone) • Form the corpus luteum
- 8. MARE • The ovary is a bean shaped organ which varies in size with season. • The ovaries and follicles of the mare are the largest in the farm animal species . • [2-3 inches (6-8 cm) in length, 1-1.5 inches (3-4 cm) in height, 70-80 gm]
- 10. COW • The ovaries are oval-shaped structures, 1 to 4 cm long and 1 to 3 cm in diameter; their size depends on the stage of the reproductive cycle.
- 11. Oviduct (fallopian tube) • Parts • Infundibulum • Ampullae • isthmus
- 13. Cervix (cow) • 3-5 annular folds.
- 15. Vulva
- 17. Mare & cow differences ……… DIFFERENCES COW MARE Estrus frequency Poly estrus Seasonal monoestrus Length of estrus cycle 19 - 21 days 21 - 24 day Estrous period length 12 - 18 hours 90 - 170 hours Gestation lenght 9 mnth 11 mnth cervix 3-5 ring Folds present
- 18. Structural abnormalities in cattle • Freemartin calf • If male and female are twins • Female calf is sterile. • Overies not develop • Bull like appearences • Test tube pass to check female • 90% female sterile
- 19. Freemartin heifer rep tract.
- 21. Mares (x chromosome missing) • Cause complete sterility
- 23. Hold the cervix
- 24. Pass the rod from rings
- 26. thanks