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Author : Eric Len Oxford
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (557 download)
Download or read book Sire Breed Effects and Heterosis in Crossbreeding Beef Cattle written by Eric Len Oxford and published by . This book was released on 2003 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Larry V. Cundiff
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.X/5 (3 download)
Download or read book Beef Cattle Breeding written by Larry V. Cundiff and published by . This book was released on 1977 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States Agricultural Research Service
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (89 download)
Download or read book Beef Cattle Breeding written by United States Agricultural Research Service and published by . This book was released on 1977 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter T. Anderson
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (319 download)
Download or read book Crossbreeding Systems for Beef Cattle written by Peter T. Anderson and published by . This book was released on 1990 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tony J. Cunha
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (319 download)
Download or read book Crossbreeding Beef Cattle written by Tony J. Cunha and published by . This book was released on 1963 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains reports presented by speakers at the Beef Cattle Short Course on Crossbreeding which was held at the University of Florida, April 12-14, 1961. The Short Course was designed to bring together the availabre information on crossbreeding of beef cattle. Accordingly, this book is a summary of what is presently known about this subject. It includes reports from Florida, Texas, Louisiana, Georgia, and other areas where considerable crossbreeding work with Brahman and British breeds is being conducted.
Author : Bruce E. Cunningham
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.3/5 (129 download)
Download or read book The Effects of Within Breed Selection for Yearling Weight and Crossbreeding on the Cow-calf Unit written by Bruce E. Cunningham and published by . This book was released on 1985 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. E. Barton
Publisher :
ISBN 13 : 9780160000980
Total Pages : 110 pages
Book Rating : 4.0/5 (9 download)
Download or read book Near Infrared Reflectance Spectroscopy (NIRS) written by F. E. Barton and published by . This book was released on 1989 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Equipment; Analysis procedures; Understanding Nirs; Calibration; Nirs technology transfer; Future applications of nirs; Certification procedures.
Author : J. A. Gaines
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (31 download)
Download or read book Heterosis from Crosses Among British Breeds of Beef Cattle written by J. A. Gaines and published by . This book was released on 1985 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lydia Boenig
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (779 download)
Download or read book Heterosis and Heterosis Retention for Reproductive and Maternal Traits in Brahman X Hereford Crossbred Cows written by Lydia Boenig and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Calf crop born, calf crop weaned, calf birth weight, calf weaning weight, and cow weight at weaning were evaluated from 1996 to 2009 in Brahman (B) and Hereford (H) straightbred and crossbred cows (n = 1,515). The objective of these analyses was to estimate heterosis for F1 and F2 females for these reproductive and maternal traits. Breed groups included B, H, F1 Hereford-sired (HB) and Brahman-sired (BH) cows (n = 114 purebreds, 55 F1, 52 F2). Second generation breed groups included cows sired by HB and out of HB dams (F2HB) and BH dams (HBxBH); and cows sired by BH and out of HB dams (BHxHB) and BH dams (F2BH). Least squares means were calculated for calf crop born, calf crop weaned, and calf birth and weaning weights, using numerous different models, where the trait was the dependent variable. Previous research and these preliminary analyses showed that the effects of year and cow age are real as is their interaction each other and with breed type. In each attempted model designed to remove these effects, different breed groups received excessive adjustments, rendering the resultant heterosis estimates inappropriate. To more clearly assess differences, presentation and visual evaluation of unadjusted means were conducted. The model for mature cow weight (cows at 6 years of age) included breed group as fixed effects and cow within breed group and year as random effects. F2 cows appeared to retain approximately 39% of F1 heterosis for calf crop born and approximately 50% for calf crop weaned. HB x BH cows delivered the lightest calves at 33.9 (4.74) kg and F2BH had the heaviest calves at birth at 36.6 (5.37) kg. BH cows weaned the heaviest calves at 240.9 (38.1) kg and F2BH cows weaned the lightest calves at 208.4 (31.9) kg. Sire breed of calf and age of cow appear to be important factors regarding weight traits. Retained heterosis for cow weight at weaning was higher than expected at 73%. Sire breed group differences (HB vs. BH) for these traits in F2 cows may merit further investigation.
Author : Richard John Dunn
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.3/5 (129 download)
Download or read book Genetic Parameters in Straightbred and Crossbred Beef Cattle Populations written by Richard John Dunn and published by . This book was released on 1968 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : King Ranch Corporation, Kingsville, Tex
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (89 download)
Download or read book Breeding Beef Cattle for Unfavorable Environments written by King Ranch Corporation, Kingsville, Tex and published by . This book was released on 1955 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hollis Dale Chapman
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (31 download)
Download or read book Research Bulletin written by Hollis Dale Chapman and published by . This book was released on 1967 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dixon D. Hubbard
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (319 download)
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:
Author : John David Bertram
Publisher :
ISBN 13 : 9780724254002
Total Pages : 38 pages
Book Rating : 4.2/5 (54 download)
Download or read book Breeding for Profit written by John David Bertram and published by . This book was released on 1993 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Queensland Government guide to better beef farming through planning of breeding programs. Market identification, simple and sustainable breeding programs and herd management techniques are advocated to increase profit and market penetration. Includes a glossary and table of market specifications.
Author : Xiao-Lin Wu
Publisher : Frontiers Media SA
ISBN 13 : 2889713571
Total Pages : 327 pages
Book Rating : 4.8/5 (897 download)
Download or read book Advances in Genomics of Crossbred Farm Animals written by Xiao-Lin Wu and published by Frontiers Media SA. This book was released on 2021-09-24 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cristo Nazaré Barbosa Do Nascimento
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (598 download)
Download or read book Heterotic and Environmental Effects in Rotational Crossbreeding of Beef Cattle written by Cristo Nazaré Barbosa Do Nascimento and published by . This book was released on 1968 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: To determine the productivity of Brahman, Hereford, and crossbred cattle measured by pregnancy, calving and weaning percentages of cows and weaning weight of calves. To estimate the yield of milk produced by crossbred, Brahman and Hereford cows. To determine the relationship of yield of milk produced by Brahman, Hereford and crossbred cows to growth rates and weaning weights of their calves. To evaluate the effect of sex, year and month of birth as well as breed or cross of calf, and age of dam on calf weaning weight.
Author : E. P. Cunningham
Publisher : Bernan Press(PA)
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (31 download)
Download or read book Crossbreeding Bos Indicus and Bos Taurus for Milk Production in the Tropics written by E. P. Cunningham and published by Bernan Press(PA). This book was released on 1987 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
