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Strategies For Enhanced Growth And Reproductive Performance Of Yearling Bos Taurus And Bos Indicus X Bos Taurus Beef Heifers
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Book Synopsis Strategies for Enhanced Growth and Reproductive Performance of Yearling Bos Taurus and Bos Indicus X Bos Taurus Beef Heifers by : Bradley Ryan Austin
Download or read book Strategies for Enhanced Growth and Reproductive Performance of Yearling Bos Taurus and Bos Indicus X Bos Taurus Beef Heifers written by Bradley Ryan Austin and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound measurements of rump fat, fat over the 13th rib, and longismus dorsi area were decreased for L-H heifers during the first 89 d, but similar by d 174. Blood PUN and NEFA concentrations fluctuated greatly during the trial for both treatments, but plasma glucose concentrations were not affected by treatment. Heifers in the L-H treatment had significantly reduced puberty and pregnancy rates compared to CON heifers. The use of DDG is a viable supplement to developing Angus and Brangus heifers consuming round bale silage. Supplementation of heifers three times a week as opposed to daily is a viable alternative to decrease costs in a heifer development program. Delaying supplementation of heifers to decrease costs is not a viable management decision if forage is not of a high quality.
Book Synopsis Evaluation of Follicle Development and Pregnancy Rates in Yearling Heifers and Lactating Cows of Bos Indicus X Bos Taurus and Bos Taurus Breeding that Were Synchronized with Progestogen-based Protocols by : Regina D. Esterman
Download or read book Evaluation of Follicle Development and Pregnancy Rates in Yearling Heifers and Lactating Cows of Bos Indicus X Bos Taurus and Bos Taurus Breeding that Were Synchronized with Progestogen-based Protocols written by Regina D. Esterman and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Differences were observed between the two groups, but overall pregnancy rates were similar for Angus and Brangus, as well as the modified 7 d CIDR and 5 d CIDR treatments.
Book Synopsis Comparison of Two Short-term Progestogen Based Estrous Synchronization Protocols in Yearling Heifers and Suckled Postpartum Cows of Bos Indicus X Bos Taurus Breeding by : Erin N. McKinniss
Download or read book Comparison of Two Short-term Progestogen Based Estrous Synchronization Protocols in Yearling Heifers and Suckled Postpartum Cows of Bos Indicus X Bos Taurus Breeding written by Erin N. McKinniss and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In Experiment 3, yearling heifers (n = 407) were synchronized with either the SSC +TAI treatment from Experiment 1 or 7-11 treatment that included melengestrol acetate (MGA; 0.5 mg/head/d) for 7 d with GnRH 4 d after the last day of MGA followed by DPG 7 d later. Estrus was detected and heifers were inseminated similar to Experiment 1. Heifers were distributed to treatment by reproductive tract score (RTS; Scale: 1=immature to 5= estrous cycling) and BCS. The 7-11 heifers had greater (P 0.05) ER (55.2 vs. 41.9%), CR (47.0 vs. 31.3%), and SPR (33.5 vs. 24.8%) compared to SSC+TAI heifers, respectively. Heifers exhibiting estrus at 60 h after PG (61.7%) had a greater (P
Book Synopsis Nutritional Management, Breed of Sire and Zeranol Effects on Growth and Reproductive Traits in Bos Taurus X Bos Indicus Beef Heifers by : Keith A. Weekley
Download or read book Nutritional Management, Breed of Sire and Zeranol Effects on Growth and Reproductive Traits in Bos Taurus X Bos Indicus Beef Heifers written by Keith A. Weekley and published by . This book was released on 1991 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Long-term Effects of Metabolic Imprinting and Calf Management Systems Following Early-weaning on Growth and Reproductive Performance of Beef Calves by : Philipe Moriel
Download or read book Long-term Effects of Metabolic Imprinting and Calf Management Systems Following Early-weaning on Growth and Reproductive Performance of Beef Calves written by Philipe Moriel and published by . This book was released on 2013 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiment 2 demonstrated that EW heifers provided a high-concentrate diet for at least 90 d in drylot and EW heifers grazed on ryegrass pastures, had similar or greater growth performance than NW heifers. Furthermore, it provided evidence that early-exposure to a high-concentrate diet lead to metabolic imprinting effects, such as altered liver IGF-1 expression (during periods of similar nutritional management) and early puberty achievement of Bos indicus-influenced beef heifers. Calf weaning at the onset of the breeding season enhanced cow growth performance, and tended to enhance reproductive performance of multiparous cows.
Book Synopsis Supplementation and Reproductive Strategies for Beef Females as Part of a May-calving System in the Nebraska Sandhills by : Alicia Caitlin Lansford
Download or read book Supplementation and Reproductive Strategies for Beef Females as Part of a May-calving System in the Nebraska Sandhills written by Alicia Caitlin Lansford and published by . This book was released on 2018 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of these 4 studies was to evaluate the effects of management decisions on reproductive performance of beef females. Experiment 1 evaluated the efficacy of a novel s.c. prostaglandin F2a injection on estrus synchronization and pregnancy success in yearling beef heifers. Heifers receiving a 2 mL s.c. injection of Lutalyse HighCon had similar estrus response and pregnancy rates compared to 5 mL Lutalyse i.m. within 2 different estrus synchronization programs. In experiment 2, May-calving heifers and primiparous cows were allotted to receive either no supplementation or supplement (0.45 or 0.91 kg/d per animal, heifers or primiparous cows, respectively) throughout the breeding season. Although supplementation increased BW, pregnancy rates were not impacted. In experiment 3, May-calving females were allotted to graze either sub-irrigated meadow or upland range throughout the breeding season. No differences in pregnancy rate were detected, despite differences in BW and BCS gain over the breeding season. Finally, experiment 4 examined the effects of varying levels of late gestation nutrition on dam and subsequent progeny performance. Multiparous, May-calving dams were allotted to graze either meadow or range forage and then to receive either no supplement or 0.45 kg/d per cow of a 33% CP supplement during late gestation. Prepartum meadow grazing tended to increase dam rebreed pregnancy rates. Heifer progeny had increased rebreed pregnancy rates as a primiparous cow, and steer progeny had increased marbling score if their dam grazed meadow. Dam supplementation increased BW of progeny over 2 generations. In summary, these experiments demonstrate the following findings: 1) a higher concentrate s.c. injection of prostaglandin F2a is effective in synchronizing estrus of beef heifers, 2) supplementation or differing forage type during the breeding season of a May-calving herd does not impact reproductive response, and 3) differences in late gestation nutrition of a May-calving herd results in altered progeny growth and performance.
Book Synopsis Guidelines for Uniform Beef Improvement Programs by : Dixon D. Hubbard
Download or read book Guidelines for Uniform Beef Improvement Programs written by Dixon D. Hubbard and published by . This book was released on 1981 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Veterinary Bull Breeding Soundness Evaluation by : David S. Beggs
Download or read book Veterinary Bull Breeding Soundness Evaluation written by David S. Beggs and published by . This book was released on 2013 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual is intended as an update of the 2003 publication "Evaluating and Reporting Bull Fertility", edited by Keith Entwistle and Geoffry Fordyce. Published by the Australian Association of Cattle Veterinarians - now the Australian Cattle Veterinarians (ACV) - this has been the yardstick used by Australian cattle veterinarians evaluating the fertility of bulls. But both science and society have evolved over the last ten years. The body of knowledge surrounding the evaluation of bull breeding soundness has increased, with new diseases, new diagnostic tests, and new understandings.
Book Synopsis Abnormal Morphology of Bovine Spermatozoa by : A. D. Barth
Download or read book Abnormal Morphology of Bovine Spermatozoa written by A. D. Barth and published by Wiley-Blackwell. This book was released on 1991-01-15 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classifies and interprets bovine sperm defects. Includes 155 photomicrographs.
Book Synopsis Nutrient Requirements of Beef Cattle by : Subcommittee on Beef Cattle Nutrition
Download or read book Nutrient Requirements of Beef Cattle written by Subcommittee on Beef Cattle Nutrition and published by National Academies Press. This book was released on 2000-05-16 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: As members of the public becomes more concious of the food they consume and its content, higher standards are expected in the preparation of such food. The updated seventh edition of Nutrient Requirements of Beef Cattle explores the impact of cattle's biological, production, and environmental diversities, as well as variations on nutrient utilization and requirements. More enhanced than previous editions, this edition expands on the descriptions of cattle and their nutritional requirements taking management and environmental conditions into consideration. The book clearly communicates the current state of beef cattle nutrient requirements and animal variation by visually presenting related data via computer-generated models. Nutrient Requirements of Beef Cattle expounds on the effects of beef cattle body condition on the state of compensatory growth, takes an in-depth look at the variations in cattle type, and documents the important effects of the environment and stress on food intake. This volume also uses new data on the development of a fetus during pregnancy to prescribe nutrient requirements of gestating cattle more precisely. By focusing on factors such as product quality and environmental awareness, Nutrient Requirements of Beef Cattle presents standards and advisements for acceptable nutrients in a complete and conventional manner that promotes a more practical understanding and application.
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 Feed Efficiency in the Beef Industry by : Rodney A. Hill
Download or read book Feed Efficiency in the Beef Industry written by Rodney A. Hill and published by John Wiley & Sons. This book was released on 2012-09-11 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Feed Efficiency in the Beef Industry provides a thorough and concise overview of feed efficiency in beef cattle. It frames the great importance of feed efficiency to the industry and details the latest findings of the many scientific disciplines that intersect and aim to improve efficient and sustainable production of nutritious beef. The vast majority of production costs are directly tied to feed. With increased demand for grains to feed a rapidly increasing world population and to supply a new demand for alternative fuels, feed costs continue to increase. In recent years, the negative environmental impacts of inefficient feeding have also been realized; as such feed efficiency is an important factor in both economic viability and environmental sustainability of cattle production. Feed Efficiency in the Beef Industry covers a broad range of topics ranging from economic evaluation of feed efficiency to the physiological and genetic bases of efficient conversion of feed to high quality beef. Chapters also look at how a fuller understanding of feed efficiency is leading to new selective breeding efforts to develop more efficient cattle. With wide-ranging coverage from leading international researchers, Feed Efficiency will be a valuable resource for producers who wish to understand the complexities, challenges, and opportunities to reduce their cost of production, for students studying the topic and for researchers and professionals working in the beef industry.
Download or read book Agrindex written by and published by . This book was released on 1995 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Review of a Reproductive Performance of Female Bos Indicus (zebu) Cattle by : E. Mukasa-Mugerwa
Download or read book A Review of a Reproductive Performance of Female Bos Indicus (zebu) Cattle written by E. Mukasa-Mugerwa and published by ILRI (aka ILCA and ILRAD). This book was released on 1989-01-01 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anatomy and endocrinology of cow reproduction. Puberty, oestrus and pregnancy. Measures of reproductive performance. Infertility in cows. The role of nutrition in cattle reproduction. Lactetional anoestrus and the effect of weaning. Reproductive herd Health programmes.
Book Synopsis Strategies to Improve Bali Cattle in Eastern Indonesia by : D. R. Lindsay
Download or read book Strategies to Improve Bali Cattle in Eastern Indonesia written by D. R. Lindsay and published by . This book was released on 2003 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for beef continues to grow in response to increases in population and income. Satisfying this demand has been achieved by government sponsored expansion of the beef sector in some regions, importation of 'boxed' beef and live cattle, and increases in the off-take rate from established cattle populations. Such off-take from the Bali cattle heard in the Eastern Islands has led to speculation of a decline in numbers and loss of genetic merit of this important breed. Agaist this background ACIAR and CRIAS supported a project to provide a sound basis for government initiatives that support the Bali Cattle herd and the farmers who own and manage these cattle. The project considered the status of past and current breeding strategies and herd improvement programs, whether some of the concerns about herd size and quality are warranted, what breeding strategies would be best suited to the Eastern Islands, and what traits would be given highest priority in a breeding program. The project culminated in a workshop that brought together Indonesian and Australian expertise on Bali cattle production and herd improvement. These proceedings report input to that workshop and recommended strategies for the future development of the Bali cattle herd in eastern Indonesia.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1996 with total page 1340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Breeding Strategy to Improve Ethiopian Boran Cattle for Meat and Milk Production by :
Download or read book Breeding Strategy to Improve Ethiopian Boran Cattle for Meat and Milk Production written by and published by ILRI (aka ILCA and ILRAD). This book was released on 2011-01-01 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
