Category: Science - Biology
Normal reproduction is the fundamental foundation upon which the entire cattle industry rests. For this reason, any factor capable of interfering with it is a detriment to the industry, and a matter of prime importance to the breeder and the veterinarian. With the relative inc...
Normal reproduction is the fundamental foundation upon which the entire cattle industry rests. For this reason, any factor capable of interfering with it is a detriment to the i...
2. Part 2The interstitial tissue, besides conveying the blood vessels to the organ, contains many “interstitial cells.” These cells are relatively sparse in the adult bull, and are compa...
3. Part 3SPERMATOZOA: The history of the discovery of spermatozoa is very interesting, and for that reason a brief outline will be given. The “semen threads” were first observed in the y...
4. Part 4TESTES: The testes seldom presented gross alterations of structure except for abscess formation, which, according to Williams, occurs more frequently in the bull than in any of...
5. Part 5All these immature and defective types are, as a rule, motionless, and of course incapable of producing fertilization. Their presence indicates lowered fertility of the semen. B...
6. Part 6The thymus, as is well known, is quite intimately associated with the development of the genital organs. Its normal disappearance is always associated with the development of se...
7. Part 7BACTERIOLOGY OF THE GENITAL TRACTS OF NORMAL YOUNG CALVES _Group I_ ══════╤══════════════════╤══════════════════╤════════════╤════════════ NUMBER│Right sem. vesicle│Left sem. ve...
8. Part 8═╤═══════════════╤════════╤══════════════╤══════════════ │R. Sem. Vesicle│L. Sem. │ Ductus │ R. Testis │ │Vesicle │ Deferens │ ─┼───────────────┼────────┼──────────────┼────────...
9. Part 9