- What does the size of the testes mean?
- What are the testes and what do they do?
- What factors affect the ability of a stallion to reproduce?
- What is the reproductive system of a stallion?
- What is the function of testes in human body?
- How does a stallion mate a mare?
- How often should I examine my stallions?
- How does stress affect the reproductive system of a horse?
- What happens to a horse’s ovaries during puberty?
- What is the function of testes?
- What is the function of testosterone in the male reproductive system?
- How can you tell if a horse is a stallion or gelding?
- What regulates the temperature of the testes Quizlet?
- What does the scrotum do for the testes?
- What hormone controls the path of the testes?
- Do I need a physical exam for my breeding soundness?
- How do I promote a stallion?
- How to choose a stallion breeding farm?
- How often do stallions need to be groomed?
- What causes poor fertility in horses?
- Are stallions used for breeding or performance?
What does the size of the testes mean?
Size of the testes is an important consideration in evaluating a breeding stallion. Generally speaking, the larger the testes, the greater the potential for heavy production and storage of spermatozoa. The testes are housed in the scrotum, which is an outpouching of the skin.
What are the testes and what do they do?
Testes- There are two testes enclosed in the scrotum. The testes produce sperm cells and the male sex hormone testosterone. The testes should move freely within the scrotal sac and should be the same size, shape and texture (although the right is often slightly smaller than the left).
What factors affect the ability of a stallion to reproduce?
There are many factors that affect the inherent ability of an individual stallion to reproduce successfully. This may include the stallion’s age and genetic make-up, his current and past health status, his body condition, the season of the year, and the environment in which he is housed.
What is the reproductive system of a stallion?
The stallion’s reproductive system is responsible for his sexual behavior and secondary sex characteristics (such as a large crest). The external genitalia comprise: the testes, which are suspended horizontally within the scrotum. The testes of an average stallion are ovoids 8 to 12 cm (3.1 to 4.7 in) long,…
What is the function of testes in human body?
The testes have two functions. The first is to produce spermatozoa and the second is to function as an endocrine organ. A portion of mesonephric cells develop into cords of tissue called seminiferous cords which incorporate the migrating primitive germ cells into their structure.
How does a stallion mate a mare?
A stallion, approaching with a high head, will usually nicker, nip and nudge the mare, as well as sniff her urine to determine her readiness for mating. Once fertilized, the oocyte (egg) remains in the oviduct for approximately 5.5 more days, and then descends into the uterus.
How often should I examine my stallions?
Stallions with ongoing problems should be examined monthly to monitor progression of disease conditions.
How does stress affect the reproductive system of a horse?
Stress: When considering all of the biological systems that keep a horse alive, (such as the respiratory, circulatory, nervous, and digestive systems), physiologically, the reproductive system of the horse is of relatively little importance.
What happens to a horse’s ovaries during puberty?
Once puberty is reached and the horse starts to have its heat (estrous) cycle, the size and form of the ovaries change. Within the ovary, a group of special cells form a follicle, which surrounds each egg.
What is the function of testes?
Testes are male gonads that produce sperm and male sex hormones. Sperm maturation is stimulated by the production and release of follicle stimulating hormone and testosterone. Testosterone is required for proper function of the accessory sexual glands, male sex characteristics, and sexual behavior.
What is the function of testosterone in the male reproductive system?
Testosterone is required for proper function of the accessory sexual glands, male sex characteristics, and sexual behavior. For sperm production, the testes must descend into the scrotum (a pouch of skin outside the abdomen), because regular body temperature is too high for sperm to develop normally.
How can you tell if a horse is a stallion or gelding?
If you check it is pretty obvious between a castrated horse and a stallion. Geldings (castrated) also tend to be more level headed and easy, especially around mares. Stallions usually get possessive (depends), aggressive, or pushy when he finds a mare around.
What regulates the temperature of the testes Quizlet?
Thereof, what regulates the temperature of the testes? Location of the testicles exterior to the body cavity is essential for normal sperm formation, which occurs only at 4 degrees to 5 degrees below body temperature. The scrotum provides physical protection to the testicle and helps regulate the temperature for optimum spermatozoa development.
What does the scrotum do for the testes?
The scrotum provides physical protection to the testicle and helps regulate the temperature for optimum spermatozoa development. What two muscles control the height of the testes? The cremaster muscle is found only within the male human body and covers the testis.
What hormone controls the path of the testes?
The first phase, movement across the abdomen to the entrance of the inguinal canal, appears controlled (or at least greatly influenced) by anti-Müllerian hormone (AMH). The second phase, in which the testes move through the inguinal canal into the scrotum, is dependent on androgens (most importantly testosterone).
Do I need a physical exam for my breeding soundness?
Even though it may appear to be a management problem, a complete physical and reproductive examination should be performed to substantiate your conclusion or isolate other problems. Physical examinations are often overlooked in a breeding soundness examination.
How do I promote a stallion?
The quality of the stallion, the breeding fee and the desired mares will in part determine the scope of an advertising campaign. Minimum promotion of a stallion should be done at least on a local basis, with regional advertisement preferable. Breeding farms must have a contract for breeding, commonly referred to as a “stallion service contract.”
How to choose a stallion breeding farm?
When standing a stallion, the breeding farm owners must not only consider the attractiveness of a farm but also the design of the facility to accommodate a breeding program. An additional component that will affect the facility design and construction is the use of a natural or artificial breeding program.
How often do stallions need to be groomed?
As such, stallions are typically kept in top condition, hair coats are groomed, long hair is clipped, and manes and tails are maintained according to current industry trends. Stallions should have hooves trimmed every four to eight weeks.
What causes poor fertility in horses?
Congenital problems that result in poor fertility are often evident from the first season the stallion is used for breeding, while acquired problems (trauma, deterioration in physical condition, occurrence of disease [s], or management changes) often result in a decline in fertility when compared to previous seasons or months within a given season.
Are stallions used for breeding or performance?
These numbers coincide with a single breeding season, good management, and mares of good fertility. Stallions can be used for performance or for breeding and are sometimes utilized for both during the breeding season.