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The male reproductive system consists of testicles, which produce sperm and sex hormones, a duct system for sperm transport, accessory sex glands, and the penis, or male organ of copulation, which deposits semen in the female.
Anatomy and physiology of the goat. August 2017, Primefact 1594, Animal Biosecurity and Welfare, NSW DPI. Goat owners need to understand the basic structure and functioning of goats if they are to maintain the health and increase the productivity of their herds.
Physiology looks at the body systems, organs, tissues and cells. All subspecies of sheep share important anatomical The word “ewe” refers only to female sheep. A ram characteristics. is an uncastrated adult male sheep and a wether is • They are four-legged, hoofed animals. a castrated male. A lamb is a baby sheep.
Key Takeaways. Small ruminants may be castrated by surgical or crushing techniques; banding is not ideal and is being gradually replaced by the short scrotum method in other countries. Goats need preop analgesia and local blocks; sedatives can be helpful. Be careful with xylazine in sheep.
The duration of estrus (~30 hours) is influenced by the breed and age of the ewe, the onset of puberty, the presence of the male, and the season. Estrous periods that occur in the fall are longer and more intense, and maiden ewes have a shorter and less intense estrus than mature ewes.
Current Practice. The essential reasons for both castration and tail-docking have altered little with time. Castration to avoid unwanted pregnancies. Castration may be needed to prevent unwanted pregnancies in a mixed-sex flock.
Objectives 1. To introduce the basic reproductive tract anatomy and physiology of sheep and goats. 2. To outline causes of reproductive failures. 3. To examine some reproductive traits. Expected Outputs 1. Ability to locate various male and female
