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Effect Of Gonadotropin Releasing Hormone On Pregnancy Rates Of Beef Cows And Heifers Synchronized With Melengestrol Acetate And Prostaglandin F2alpha
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Book Synopsis Effect of Gonadotropin Releasing Hormone on Pregnancy Rates of Beef Cows and Heifers Synchronized with Melengestrol Acetate and Prostaglandin F2̳[̳alpha] by : Teresa Sue Dyson
Download or read book Effect of Gonadotropin Releasing Hormone on Pregnancy Rates of Beef Cows and Heifers Synchronized with Melengestrol Acetate and Prostaglandin F2̳[̳alpha] written by Teresa Sue Dyson and published by . This book was released on 1997 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bovine Reproduction by : Richard M. Hopper
Download or read book Bovine Reproduction written by Richard M. Hopper and published by John Wiley & Sons. This book was released on 2021-07-21 with total page 1236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bovine Reproduction A complete resource for practical, authoritative information on all aspects of bovine theriogenology The newly revised Second Edition of Bovine Reproduction delivers a comprehensive overview of all major issues in bovine reproduction. Written by leading experts in the subject, the book is an indispensable reference for any veterinarian dealing with bovine fertility. Bovine Reproduction is divided into sections on the bull, the cow, the neonate, and assisted reproduction techniques. New chapters cover new gene manipulation technologies, managing problem donors, lameness, and more. Outdated and redundant information from the First Edition has been removed and replaced by coverage of new diseases, technologies, procedures, techniques, and approaches to fertility problems. A new companion website provides images and tables from the book in PowerPoint format. In addition to more than 675 full-color images, readers will also benefit from: A thorough discussion of the anatomy and physiology of the bull, including the endocrine and exocrine function of bovine testes and the thermoregulation of the testes An exploration of breeding and health management of bulls, including the evaluation of breeding soundness and ultrasound examination of the reproductive tract An examination of the anatomy, physiology, and the breeding and health management of cows, including fetal programming, the reproductive tract microbiome, and a section on obstetrics and reproductive surgery A review of the management of both critical care of the neonate and effective colostrum assessment and provision An introduction to assisted and advanced reproductive technologies A practical and comprehensive reference, Bovine Reproduction is a must-have purchase for bovine practitioners, theriogenologists, animal scientists, veterinary students, and residents with an interest in cattle.
Book Synopsis Current Therapy in Large Animal Theriogenology - E-Book by : Robert S. Youngquist
Download or read book Current Therapy in Large Animal Theriogenology - E-Book written by Robert S. Youngquist and published by Elsevier Health Sciences. This book was released on 2006-11-23 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt: An essential resource for both students and practitioners, this comprehensive text provides practical, up-to-date information about normal reproduction and reproductive disorders in horses, cattle, small ruminants, swine, llamas, and other livestock. Featuring contributions from experts in the field, each section is devoted to a different large animal species and begins with a review of the clinically relevant aspects of the reproductive anatomy and physiology of both males and females. Key topics include the evaluation of breeding soundness, pregnancy diagnosis, diagnosis and treatment of infertility, abortion, obstetrics, surgery of the reproductive tract, care of neonates, and the latest reproductive technology. Includes coverage of all large animal species. All sections provide a review of clinically pertinent reproductive physiology and anatomy of males and females of each species. Complete coverage of the most current reproductive technology, including embryo transfer, estrous synchronization, and artificial insemination. A new section on alternative farming that addresses reproduction in bison, elk, and deer. New to the equine section: stallion management, infertility, and breeding soundness evaluation. New to the bovine section: estrous cycle synchronization, reproductive biotechnology, ultrasonographic determination of fetal gender, heifer development, and diagnosis of abortion. New to the porcine section: artificial insemination, boar/stud management, diseases of postpartum period, and infectious disease control. New to the llama section: infectious disease and nutrition.
Book Synopsis The Effects of Gonadotropin Releasing Hormone on Conception in Postpartum Anestrus Angus Beef Cows and Heifers by : Michael Wade Boenig
Download or read book The Effects of Gonadotropin Releasing Hormone on Conception in Postpartum Anestrus Angus Beef Cows and Heifers written by Michael Wade Boenig and published by . This book was released on 2012 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to determine if a pre synchronization gonadotropin releasing hormone (GnRH) injection would increase conception percentages in postpartum anestrous angus beef cows and heifers. Sixty-four Angus females (42 multiparous cows and 20 heifers) from the Angelo State University's Management, Instruction and Research Center were randomly assigned to two treatments groups at the beginning of the study. The control group were administered a two shot prostaglandin estrous synchronization protocol. The treatment group were administered a GnRH injection thirteen days prior to the two shot prostaglandin synchronization protocol. However, only 30 females showed signs of estrus and were artificially inseminated. Results in cows and heifers were similar, and no differences were found among the two treatment groups (P>0.05). Differences might be noted with a larger number of females that show signs of estrus. Conception was recorded by the use of ultrasound, and is a viable management tool.
Book Synopsis Effect of Long-term Melengestrol Acetate Treatments on Follicle Dynamics and Response to Gonadotropin-releasing Hormone and Prostaglandin F2[alpha] Synchronization Treatments in Bos Indicus X Bos Taurus Heifers by : Steaven A. Woodall
Download or read book Effect of Long-term Melengestrol Acetate Treatments on Follicle Dynamics and Response to Gonadotropin-releasing Hormone and Prostaglandin F2[alpha] Synchronization Treatments in Bos Indicus X Bos Taurus Heifers written by Steaven A. Woodall and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: In experiment 1, yearling Angus (n = 40) and Brangus (n = 26) heifers received melengestrol acetate (MGA; 0.5 mg/hd/d) for 14 d with prostaglandin F2 alpha (PG) administered either 19 d or 19 and 20 d after MGA withdrawal for Angus and Brangus, respectively. A subgroup of Angus (n=11) and Brangus (n=10) heifers had transrectal ultrasonography conducted daily after MGA withdrawal until 7 d after PG to evaluate follicle development. There tended (P = 0.07) to be more Angus (100%; 11/11) compared to Brangus (80%; 8/10) heifers ovulating within 7 d after MGA withdrawal. Follicle wave patterns between MGA withdrawal and PG consisted of one (0/11; 1/10), two (9/11; 5/10), three (2/11; 3/10) or four (0/11; 1/10) waves for Angus and Brangus, respectively. The number of heifers with follicle [greater-than] 10 mm on 9 (54.5, 80.0 %), 10 (81.8 %, 70.0 %), and 11 d (90.9, 80.0%) after MGA were similar between Angus and Brangus respectively; but greater (P
Book Synopsis Factors Affecting Calf Crop by : Michael J. Fields
Download or read book Factors Affecting Calf Crop written by Michael J. Fields and published by CRC Press. This book was released on 2001-11-21 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: In today's world, we are witnessing simultaneous breakthroughs in reproductive technologies, genomics, and molecular biology. Advances in molecular genetic technology and understanding of the bovine genome have led to the development of tools that can be used to enhance profitability on cow-calf enterprises. Factors Affecting Calf Crop: Biotechnolo
Book Synopsis The Effects of Gonadotropins in Inducing Multiple Ovulations in the Beef Cow by : David Edwin Wildt
Download or read book The Effects of Gonadotropins in Inducing Multiple Ovulations in the Beef Cow written by David Edwin Wildt and published by . This book was released on 1973 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of Different Gonadotropin-releasing Hormone Plus Prostaglandin F[sub-2alpha] Synchronization Protocols in Bos Taurus, Bos Indicus, and Bos Indicus X Bos Taurus Postpartum Cows and Heifers by : Regina D. Esterman
Download or read book Comparison of Different Gonadotropin-releasing Hormone Plus Prostaglandin F[sub-2alpha] Synchronization Protocols in Bos Taurus, Bos Indicus, and Bos Indicus X Bos Taurus Postpartum Cows and Heifers written by Regina D. Esterman and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Timed-AI pregnancy rates tended (P = 0.06) to be greater, and synchronized pregnancy rates were greater (P 0.05) for cloprostenol sodium (57.2%) compared to dinoprost tromethamine (46.2%). Breed had no effect on synchronized pregnancy rates but as days from calving increased, response to treatment increased. In heifers, estrous response, conception, and synchronized pregnancy rates were similar (P 0.05) across treatments and breeds. In Exp. 4, postpartum Angus (Bos taurus; n = 31) and Brangus (Bos indicus x Bos taurus; n = 22) cows were synchronized with Select Synch plus a new CIDR. Ovarian follicle response to GnRH was monitored using ultrasonography. Breed did not influence ovulation rate to GnRH. Cows which ovulated to GnRH had greater (P
Book Synopsis Reproduction in Domestic Ruminants VII by : M. C. Lucy
Download or read book Reproduction in Domestic Ruminants VII written by M. C. Lucy and published by Nottingham University Press. This book was released on 2011-02-01 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: The combined work of eminent scientists in the field, this compilation contains the latest information on ruminant nutrition from the eighth annual International Ruminant Reproduction Symposium. With discussions on how to improve reproduction by applying nutrition and physiology, this collection spotlights the recent advances regarding the ruminant genome and includes chapters about specific animals, including the dairy buffalo, camel, and reindeer.
Book Synopsis Synchronization of Follicular Wave Emergence, Luteal Regression, and Ovulation for Fixed-time Artificial Insemination in Beef Cows and Heifers by : Kyle Jeffrey Stutts
Download or read book Synchronization of Follicular Wave Emergence, Luteal Regression, and Ovulation for Fixed-time Artificial Insemination in Beef Cows and Heifers written by Kyle Jeffrey Stutts and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Two experiments tested the efficacy of gonadotropin-releasing hormone (GnRH) or estradiol cypionate (ECP) administration in combination with controlled internal drug release (CIDR) inserts on pregnancy rate to fixed-time artificial insemination (FTAI) in beef heifers. In the first experiment, heifers in the two ECP groups received ECP in conjunction with the CIDR insert. The CIDR insert was removed and PGF was administered on either d 7 or 9. Heifers received ECP 24 h after CIDR removal and were inseminated 30 h after ECP. Heifers in the two GnRH groups received GnRH in conjunction with the CIDR insert. Heifers received PGF on either d 6 or 7, and the CIDR insert was removed on d 7. Heifers were inseminated and received GnRH 48 h after CIDR removal. Pregnancy rates to FTAI were higher for heifers treated with GnRH. Pregnancy rate to FTAI was highest for heifers in the GnRH group that received PGF on d 6 and was lowest for the group that received ECP in combination with a 7-d CIDR insert. In the second experiment, heifers received GnRH in conjunction with the CIDR insert. CIDR inserts were removed and PGF was administered on d 7. Heifers were inseminated 60 h later, with one group receiving GnRH at insemination. Pregnancy rate to FTAI was higher for heifers that received GnRHat insemination. The final experiment tested the efficacy of estradiol 17 _(E17) or GnRH in combination with a CIDR insert on pregnancy rate to FTAI in Brahman cows. Either E17 or GnRH was administered in conjunction with the CIDR insert. CIDR inserts were removed on d 7. Cows in the GnRH group received PGF on d 6 and GnRH at insemination which occurred 48 h after CIDR removal. Cows in the E17 group received PGF on d 7, E17 24 h later, and were inseminated 30h after E17 administration. Pregnancy rate to FTAI was higher for cows treated with E17. These data indicate acceptable pregnancy rates were obtained when the CIDR insert was combined with either GnRH in beef heifers or with E17 in Brahman cows.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1994 with total page 1364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of GnRH, Breeding Weight, Frame, Condition and Age on Pregnancy Rates in Estrus Synchronized Beef Heifers by : Mary Ferguson
Download or read book Effect of GnRH, Breeding Weight, Frame, Condition and Age on Pregnancy Rates in Estrus Synchronized Beef Heifers written by Mary Ferguson and published by . This book was released on 1985 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Information Resources on the Care and Welfare of Beef Cattle by : Cynthia Petrie Smith
Download or read book Information Resources on the Care and Welfare of Beef Cattle written by Cynthia Petrie Smith and published by . This book was released on 2004 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the main animal welfare concerns in beef cattle production is that of pain and distress. Dehorning, castration, and branding are husbandry procedures which can cause pain and discomfort. Less acute but still distressful are those issues related to the animal environment. Extreme natural conditions can result in cattle that are heat and/or cold stressed. Drought and the resulting overstocking for available feed resources can also reduce body fatness. These are important welfare issues in modern beef production. The following bibliography explores these issues and more and should provide a useful resource for scientists, veterinarians, extension specialists, students, and others.
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1990 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings by : Beef Improvement Federation. Research Symposium & Annual Meeting
Download or read book Proceedings written by Beef Improvement Federation. Research Symposium & Annual Meeting and published by . This book was released on 2005 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bovine Reproduction by : Richard M. Hopper
Download or read book Bovine Reproduction written by Richard M. Hopper and published by John Wiley & Sons. This book was released on 2014-08-18 with total page 2206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bovine Reproduction is a comprehensive, current reference providing information on all aspects of reproduction in the bull and cow. Offering fundamental knowledge on evaluating and restoring fertility in the bovine patient, the book also places information in the context of herd health where appropriate for a truly global view of bovine theriogenology. Printed in full color throughout, the book includes 83 chapters and more than 550 images, making it the most exhaustive reference available on this topic. Each section covers anatomy and physiology, breeding management, and reproductive surgery, as well as obstetrics and pregnancy wastage in the cow. Bovine Reproduction is a welcome resource for bovine practitioners, theriogenologists, and animal scientists, as well as veterinary students and residents with an interest in the cow.
Book Synopsis Timed Artificial Insemination in Beef Heifers Synchronized with Melengestrol Acetate and Prostaglandin F2α by : Nicholas Ryan Wherley
Download or read book Timed Artificial Insemination in Beef Heifers Synchronized with Melengestrol Acetate and Prostaglandin F2α written by Nicholas Ryan Wherley and published by . This book was released on 2002 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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