By Mina C. G. Davies Morel
This publication includes 21 chapters on horse copy and breeding, together with the anatomy and keep watch over of copy in mares and stallions, body structure and endocrinal keep an eye on of being pregnant and foaling, lactation, choice and guidance of mares and stallions for breeding, administration of the mare while pregnant and foaling, foal administration, weaning, stallion administration, infertility, man made insemination and embryo move. to be had In Print
Read or Download Equine reproductive physiology, breeding and stud management PDF
Best anatomy & physiology books
This e-book addresses vital biomaterials that are normal to manufacture scaffolds and it describes significant protocols hired in scaffold fabrication. Tissue engineering or regenerative drugs goals at restoring ex-novo tissues and organs whose performance has been compromised on account of illnesses or tense occasions.
Are vegetation clever? Can they resolve difficulties, converse, and navigate their atmosphere? Or are they passive, incapable of autonomous motion or social habit? Philosophers and scientists have reflected those questions seeing that historic Greece, in general concluding that vegetation are unthinking and inert: they're too silent, too sedentary -- simply too diverse from us.
A valid wisdom of anatomy and body structure is a necessary foundation for the powerful scientific remedy of significant other animals. the recent 3rd variation creation to Veterinary Anatomy and body structure Textbook bargains transparent and accomplished of the typical spouse animal species. up-to-date all through with a brand new part further on huge animals, the hot variation positive factors augmented on-line studying assets with new questions and quizzes.
THIS version HAS BEEN changed through a more recent version
- The Human Brain in Photographs and Diagrams
- Veterinary Immunology: Principles and Practice
- Bone and Muscle: Structure, Force, and Motion (The Human Body)
- Brain development
- The Golgi Apparatus
Additional resources for Equine reproductive physiology, breeding and stud management
A typical stallion sperm. movement in a wave-like motion (Amann and Graham, 1993; Davies Morel, 1999). 1. Spermatogenesis As discussed, sperm are produced within the seminiferous tubules and are supported, or nursed, by Sertoli cells. They start as underdeveloped germinal cells or spermatogonia attached to the wall of the seminiferous tubules (Fig. 12; Amann, 1981b; Amann and Graham, 1993). 6 days). The total time for spermatogenesis in the stallion is 57 days. 1. 4 days (Fig. 12). Spermatocytogenesis is the development of spermatogonia by spermatozoal division from the underdeveloped germinal cells or gonocytes in the 24 base of the seminiferous tubules.
2000). , 2000). Prolactin, another major seasonally affected hormone, is suggested by some to be responsible in the horse for non-reproductive seasonal changes such as changes in metabolic rate and increase in the food conversion efficiency during the winter months, a time of food deprivation. Especially evident in the more native breeds, this demonstrates an innate ability of the equine body to anticipate environmental conditions and respond accordingly. , 1991). Prolactin was previously thought, therefore, to translate primarily the changes in day length to seasonal changes in nonreproductive physiology, with only a limited effect on reproductive seasonality.
Second, central nervous system stimulation causes contraction of the muscles associated with the penis, in particular the ischiocarvenosus muscle which draws the penis up against the ischial arch, further restricting venous blood flow out of the penis and so further increasing blood pressure. , 1972; Korenman, 1998). 44 The second and third stages of semen deposition are emission, the passage of seminal plasma from the accessory glands and sperm from the epididymis to the urethral area of the penis; and ejaculation, the passage of this seminal plasma and sperm (semen) along the penis and into the mare after intromission.