03
Jun
The males have a split or double penis lying in front of the scrotum. A compend of equine anatomy and physiology 1890 20644875806jpg 2124 3732.
This video examines the reproductive tract of the stallion including the testis the genital glands discussing their secretions the penis and the pelvic.
Male horse reproductive system. The reproductive anatomy of the stallion. This chapter describes the anatomy and function of the reproductive system of the stallion including the penis accessory glands vas deferens epididymis testes spermatozoa semen ejaculation and spermatogenesis. Generalized infectious processes while they may primarily involve other organ systems can affect the male reproductive tract.
Pyrexia leads to disturbances in spermatogenesis. This results in a reduction in seminal sperm concentration and fertility approximately 46 wk after the pyrexia. Infections of the internal genitalia orchitis.
The male genital system consists of both external and internal sexual and reproductive organs including the penis as well as the testis epididymis vas deferens seminal vesicle and the prostate. Reproductive System A handy guide to the male and female reproductive tracts. Sponsored by the American Association of Equine Veterinary Technicians AAEVT Classic Medical OCD Equine.
Because male horses are constantly fertile they can reproduce and breed throughout the year provided they find a fertile mare to mate with. Horse mating and fecundation takes place through riding as is with a vast majority of mammals. The topics this week will focus on equine reproduction.
Breeding is an important component of the equine industry. We will start off this week with some basic anatomy including what makes the equids unique. Then we will cover the estrous cycles of mares and jennies followed by common breeding systems used throughout the world.
The functions of the male reproductive system are the production of testosterone and the production and transportation of spermatozoa. Spermatozoa are formed from germ stem cells by a process of spermatogenesis. Spermatogenesis occurs in three stages.
The proliferative meiotic and spermatogenic stages. In horses pregnancy is characterized by high levels of maternal estrogens that are produced largely by the interstitial tissue inside the gonads of the offspring associated with a physiological gonadal hyperplasia that is uncommon in other species. However a detailed structural-functional unders.
The reproductive system of the stallion Both sexes have a pair of sexual organs or gonads ovaries or testes the main function of which is to produce eggs or sperm respectively. The male reproductive system in the horse consists of testes and the accessory genital organs that include penis and prepuce. In the horse testicular descent is completed at birth or shortly after birth 1014 days considering average gestation of 300 days.
Male kangaroo reproductive system. The males have a split or double penis lying in front of the scrotum. Kangaroos reproduce in much the same way as the opossums.
The male genital system was examined in 9 male specimens of Chironectes minimus 2 adult and 7 young from Brazil. A baby kangaroo is born only after about a month-long gestation period. Media in category Horse male reproductive system.
The following 38 files are in this category out of 38 total. A compend of equine anatomy and physiology 1890 20644875806jpg 2124 3732. A compend of equine anatomy and physiology 1896 20048552524jpg 1672 2904.
Stallion Reproductive Anatomy Above is a stallion reproductive tract. In this section we will cover the anatomy of the stallion and functions of the different parts. The male reproductive system of a stallion contains a scrotum two testies epididimus vas defenders accesory sex glands and a penis.
The scrotum is a fleshy sac which contains the testes. It consists of three layers the outer skin which contains sweat glands and sebaceous glands which is thin and elastic. The mares reproductive system is responsible for controlling gestation birth and lactation as well as her estrous cycle and mating behavior.
It lies ventral to the 4th or 5th lumbar vertebrae although its position within the mare can vary depending on the movement of. The male reproductive system comprises the organs that are involvedin the development maturation transport and deposition of themale sperm cells. This is an online quiz called Horse reproductive system.
There is a printable worksheet available for download here so you can take the quiz with pen and paper. This quiz has tags. Click on the tags below to find other quizzes on the same subject.
Read more and horses Introduction to Reproductive Disorders of Horses The reproductive system is the group of organs that produce offspring. In both males and females the reproductive system is composed of primary sex organs and primary regulatory centers. External Reproductive Organs Penis and Prepuce The stallions penis consists of 3 parts.
1 the root or bulb 2 the body or shaft the main part and 3 the glans the enlarged free end of the penis. When not erect the penis is 50 cm long and 25 to 6 cm in diameter with the distal end 15 to 20 cm free in the prepuce. This video examines the reproductive tract of the stallion including the testis the genital glands discussing their secretions the penis and the pelvic.