Download Reproduction in Cattle 3rd Edition by BALL PETER J. H. ET.AL PDF

By BALL PETER J. H. ET.AL

Farm animals play a primary function in animal agriculture through the global. They not just supply us with an essential meals resource, yet additionally they supply us with fertilizer and gas. conserving replica degrees at an optimal point is for this reason crucial, yet this is a classy technique, particularly with smooth, excessive yielding cows. Written in a pragmatic and basic kind, this ebook goals to aid the reader comprehend farm animals copy by way of explaining the underlying body structure of the reproductive strategy and the function and significance of pharmacology and know-how, and exhibiting how administration concepts can enhance reproductive potency. This variation includes:Recent examine findings at the body structure of the oestrous cycle and its regulate; New thoughts for tracking and manipulating replica, together with being pregnant analysis and embryo move; suggestion on selecting universal infertility difficulties and the way to avoid and deal with them.Reproduction livestock 3e is key studying for veterinary and agricultural scholars, in addition to veterinarians and farmers taken with farm animals copy.

Show description

Read Online or Download Reproduction in Cattle 3rd Edition PDF

Similar nonfiction_3 books

Stability and Transition in Shear Flows (Applied Mathematical Sciences)

A close examine a few of the extra sleek problems with hydrodynamic balance, together with temporary development, eigenvalue spectra, secondary instability. It provides analytical effects and numerical simulations, linear and chosen nonlinear balance equipment. by way of together with classical effects in addition to contemporary advancements within the box of hydrodynamic balance and transition, the publication can be utilized as a textbook for an introductory, graduate-level path in balance idea or for a special-topics fluids direction.

The Cambridge Dover Wilson Shakespeare, Volume 03: As You Like It

John Dover Wilson's New Shakespeare, released among 1921 and 1966, grew to become the vintage Cambridge version of Shakespeare's performs and poems till the Nineteen Eighties. The sequence, lengthy when you consider that out-of-print, is now reissued. each one paintings is offered either separately and as a suite, and every includes a long and full of life advent, major textual content, and massive notes and word list revealed on the again.

Catalysis: A Review of Chemical Literature: Vol 15 (Specialist Periodical Reports)

There's an expanding problem for chemical and study associations to discover budget friendly and environmentally sound equipment of changing usual assets into fuels chemical compounds and effort. Catalysts are necessary to those approaches and the Catalysis expert Periodical record sequence serves to focus on significant advancements during this quarter.

Extra resources for Reproduction in Cattle 3rd Edition

Sample text

6 Pregnant 8b PGF2a blocked LH PGF2a Ovulation 18 Continued. 53 21 3 6 54 Reproduction in Cattle frequency begins to rise. The fall in progesterone and rise in LH result in increasing oestradiol concentrations, which eventually ‘triggers’ the LH surge. As luteolysis proceeds, a new pre-ovulatory ovarian follicle begins to mature. If the animal becomes pregnant, the PGF2a release is prevented, and progesterone levels remain high, supporting pregnancy, as described in detail in Chapter 5. The sequence of events concerned with the oestrous cycle is summarized in Fig.

Paper presented to Association of Veterinary Teachers and Research Workers Annual Conference. O. B. (1965) Journal of Animal Science, 24, 761. C. R. (1986) Journal of Reproduction and Fertility, 76, 783. Chapter 4 The Ovarian Cycle The anatomical features of the female reproductive system were described in Chapter 2. Cellular division of oocytes begins early in fetal life. Division is arrested at the diplotene stage of the first meiotic division, only to resume at the onset of the oestrous cycle in follicles destined for ovulation.

E. (1991) Journal of Animal Science, 69, 2092. W. F. (1980) Animal Production, 31, 13. , Hoffman, B. & Karg, H. (1977) Acta Endocrinologica, Copenhagen, 86, 180. , Gombe, S. & Karg, H. (1981) Journal of Reproduction and Fertility (Suppl. 30), 103. J. R. (1983) Theriogenology, 19, 727. , Felix, A. M. (1995) Journal of Animal Science, 73, 2071–2078. A. M. (1982) Journal of Dairy Science, 65, 793. , Schams, D. & Schallenberger, E. (1984) Journal of Reproduction and Fertility, 71, 479. C. & Swann, R.

Download PDF sample

Rated 4.11 of 5 – based on 30 votes