» From 'Journal of Animal Science'
» From various U.S. University Research
» From various International University Research
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From 'Journal of Animal Science'

A Limousin specific myostatin allele affects longissimus muscle area and fatty acid profiles in a Wagyu-Limousin F 2 population (pdf)
L. J. Alexander, L. A. Kuehn, T. P. L. Smith, L. K. Matukumalli, B. Mote, J. E. Koltes, J. Reecy, T. W. Geary, D. C. Rule and M. D. MacNeil. J Anim Sci 2009.87:1576-1581. doi: 10.2527/jas.2008-1531 originally published online Feb 11, 2009;

Characteristics of developmental changes in the kinetics of glucose and urea in Japanese Black calves: Comparison with Holstein calves (pdf)
H. Shingu, H. Hayashi, E. Touno, A. Oshibe, S. Kushibiki, S. Oda, K. Katoh and Y. Obara. 2007.85:2910-2915. doi: 10.2527/jas.2007-0100 originally published online Aug 8, 2007;

Effects of grain processing and dietary lipid source on performance, carcass characteristics, plasma fatty acids, and sensory properties of steaks from finishing cattle (pdf)
H. J. LaBrune, C. D. Reinhardt, M. E. Dikeman, and J. S. Drouillard. J Anim Sci 2008.86:167-172. doi: 10.2527/jas.2007-0011 originally published online Oct 2, 2007;

Effects of growth hormone-releasing hormone treatment on milk production and plasma hormones and metabolites in lactating Japanese Black cows under negative energy balance (pdf)
H. Shingu, K. Hodate, S. Kushibiki, E. Touno, A. Oshibe, Y. Ueda, M. Shinoda and S. Ohashi. J Anim Sci 2009.87:1247-1253. doi: 10.2527/jas.2008-1220 originally published online Dec 19, 2008;

Genetic parameters for image analysis traits on M. longissimus thoracis and M. trapezius of carcass cross section in Japanese Black steers (pdf)
T. Osawa, K. Kuchida, S. Hidaka, and T. Kato. J Anim Sci 2008.86:40-46. doi: 10.2527/jas.2007-0359 originally published online Oct 2, 2007;

Glucose-6-phosphate dehydrogenase and leptin are related to marbling differences among Limousin and Angus or Japanese Black x Angus steers (pdf)
M. Bonnet, Y. Faulconnier, C. Leroux, C. Jurie, I. Cassar-Malek, D. Bauchart, Boulesteix, D. Pethick, J. F. Hocquette and Y. Chilliard. J Anim Sci 2007.85:2882-2894. doi: 10.2527/jas.2007-0062 originally published online Jun 25, 2007;

Growth and pubertal development of F1 bulls from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu sires (pdf)
E. Casas, D. D. Lunstra, L. V. Cundiff and J. J. Ford. J Anim Sci 2007.85:2904-2909. doi: 10.2527/jas.2007-0260 originally published online Jun 25, 2007;

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“Final Genetic Conditions Lab Report on Sale Animals” (pdf)
Lone Mountain: April 9, 2010.

“Frequently Asked Questions About Recessive Genetic Conditions” (pdf)
Lone Mountain: March 16, 2010.

“Managing Genetic Defects in Beef Cattle Herds”
“Genetic defects are due to an abnormal or mutated gene. They may impair animal health or cause a condition of abnormal function or structure. These hereditary defects occur in all breeds of cattle, and some are strongly associated with certain breeds. Over 200 different genetic defects have been identified in cattle.”
Jane Parish. Cattle Network: March 01, 2010.

“Muscle and marbling development in beef cattle”
“We know from previous research that nutrition, health, and feedlot management all impact quality grades, feedlot performance and carcass merit. Newer research findings continue to suggest that fetal development, and management of the beef herd during pregnancy, may have larger impacts than we once realized.”
Steve Paisley. Tri-State Livestock News: March 15, 2010.

“Brown adipose tissue development and metabolism in ruminants” (pdf)
Department of Animal Science, Texas A&M University, College Station; Texas A&M University Agricultural Research Center, McGregor; and USDA, ARS, Children’s Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX

“Carcass traits and microsatellite distributions in offspring of sires from three geographical regions of Japan” (pdf)
Department of Animal Science, Texas Agricultural Experiment Station, Texas A&M University, and Livestock Farm, Graduate School of Agriculture, Kyoto University, Japan

“Characterization of biological types of cattle (Cycle VI): Carcass, yield, and longissimus palatability traits” (pdf)
ARS, USDA, Roman L. Hruska U.S. Meat Animal Research Center, Clay Center, NE

“Comparison of progestin-based protocols to synchronize estrus and ovulation before fixed-time artificial insemination in postpartum beef cows” (pdf)
Division of Animal Sciences, University of Missouri, Columbia 65211; MFA Inc., Columbia 65202; Agriculture Experiment Station, University of Missouri, Columbia 65211

“Differences among Wagyu sires for USDA carcass traits and palatability attributes of cooked ribeye steaks” (pdf)
Department of Animal Sciences, Washington State University, Pullman and Department of Animal and Veterinary Science, University of Idaho, Moscow

“Early-weaning and postweaning nutritional management affect feedlot performance, carcass merit, and the relationship of 12th-rib fat, marbling score, and feed efficiency among Angus and Wagyu heifers” (pdf)
Department of Animal Sciences, University of Illinois, Urbana and Department of Agriculture, Illinois State University, Normal<

“Effect of dietary vitamin A concentration and roasted soybean inclusion on marbling, adipose cellularity, and fatty acid composition of beef” (pdf)
Department of Animal Sciences, The Ohio State University, Wooster 44691

“Effect of dietary vitamin A restriction on marbling and conjugated linoleic acid content in Holstein steers” (pdf)
Department of Animal Sciences, The Ohio State University, Wooster 44691

“Effects of biological type and dietary fat treatment on factors associated with tenderness” (pdf)
Washington State University, Pullman; Iowa State University, Ames; University of Idaho, Moscow; Agriculture and Agri-Food Canada, Lethbridge, Alberta; and University of Wyoming, Laramie

“Effects of biological type and dietary fat treatment on factors associated with tenderness: II. Measurements on beef semitendinosus muscle” (pdf)
Washington State University, Pullman; University of Idaho, Moscow; Agriculture and Agri-food Canada, Lethbridge; University of Wyoming, Laramie

“Effects of calpastatin and -calpain markers in beef cattle on tenderness traits” (pdf)
USDA, ARS, U.S. Meat Animal Research Center, Clay Center, NE; USDA, ARS, Subtropical Agricultural Research Station, Brooksville, FL; and University of Florida, Gainesville

“Evaluation of American Wagyu sires for scrotal circumference by age and body weight” (pdf)
Department of Animal Sciences, Washington State University, Pullman

“Evidence for Preadipocyte Proliferation During Culture of Subcutaneous and Intramuscular Adipose Tissues from Angus and Wagyu Crossbred Steers” (pdf)
Department of Animal Science, Texas Agricultural Experiment Station, Texas A&M University, College Station

“Fatty acid composition of plasma and subcutaneous adipose tissue of angus and wagyu steers fed to Japanese and U.S. carcass endpoints” (pdf)
Department of Animal Science, Texas Agricultural Experiment Station, Texas A&M University, College Station, Texas

“Fatty Acids in Wagyu Beef” (pdf)
Department of Animal Science, Washington State University
Dr. Jan R. Busboom, Meat Specialist

“Growth, carcass characteristics, muscle conjugated linoleic acid (CLA) content, and response to intravenous glucose challenge in high percentage Wagyu, Wagyu X Limousin, and Limousin steers fed sunflower oil-containing diets” (pdf)
Agriculture and Agri-Food Canada Research Centre, Lethbridge, AB; Department of Animal Sciences, Washington State University, Pullman; Heartbrand Cattle Company, Harwood; and Blue Rock Cattle Company, Ellensburg, WA

“Leptin as a predictor of carcass composition in beef cattle” (pdf)
USDA-ARS, Fort Keogh Livestock and Range Research Laboratory, Miles City, MT; Animal Sciences Department, University of Missouri, Columbia; and Animal and Range Sciences Department, Montana State, University, Bozeman

“Performance and Carcass Traits of Early-Weaned Steers Receiving Either a Pasture Growing Period or a Finishing Diet at Weaning” (pdf)
Department of Animal Sciences, University of Illinois, Urbana

“Postweaning growth and carcass traits in crossbred cattle from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu maternal grandsires” (pdf)
US Meat Animal Research Center, USDA, ARS, Clay Center, NE

“Production characteristics and carcass quality of angus and wagyu steers fed to U.S. and Japanese endpoints” (pdf)
Department of Animal Science, Texas Agricultural Experiment Station, Texas A&M University, College Station, Texas

“Production Systems Comparing Early Weaning to Normal Weaning With or Without Creep Feeding for Beef Steers” (pdf)
Department of Animal Sciences, University of Illinois, Urbana

“Rapid Communication: A Novel DNA Polymorphism of the Bovine Calpain Gene Detected by PCR-RFLP Analysis" (pdf)
Department of Animal Sciences, University of Arizona, Tucson

“Relationship among GeneSTAR marbling marker, intramuscular fat deposition, and expected progeny differences in early weaned Simmental steers” (pdf)
Department of Animal Sciences, University of Illinois

“Relationship between Japanese Beef Marbling Standard and Intramuscular Lipid in the M. Iongissimus thoracis of Japanese Black and American Wagyu Cattle” (pdf)
“Japanese Black and American Wagyu steers were slaughtered and graded under typical Japanese production conditions, and then analyzed for percentage ether-extractable fat at the 6th thoracic vertebra. The percentage of intramuscular lipid was used to develop a prediction equation for the Japanese beef marbling standard (BMS) with R e = 0.7619.”
P. J. Cameron, M. Zembayashi, D. K. Lunt, T. Mitsuhashi, M. Mitsumoto, S. Ozawa, & S. B. Smith. Meat Science 38 (1994) 361-364. 1994.

“Relationship between fatty acid-binding protein activity and marbling scores in Bovine longissimus muscle” (pdf)
Texas Agricultural Experiment Station, Texas A&M University

“Stearoyl Coenzyme A Desaturase Enzyme Activity and mRNA Levels Are Not Different in Subcutaneous Adipose Tissue from Angus and American Wagyu Steers” (pdf)
Department of Animal Science, Texas Agricultural Experiment Station, Texas A&M University, College Station

“Vitamin E Supplementation of Cattle and Shelf-Life of Beef for the Japanese Market” (pdf)
Colorado State University, Fort Collins

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“Gene Test Results of AI Sires from Australian Wagyu Association Database” (pdf)
Updated 7th May 2010.
Australian Wagyu Association: May 2010.

“AI Sires Carrier: Status of Critical Genetic Diseases” (pdf)
“Shogo Takeda Reports Recent Findings on Takeda Farm.”
David Blackmore. Australian Wagyu Update: December 2009.

“Effect of fatty acids on meat quality: a review”
“Interest in meat fatty acid composition stems mainly from the need to find ways to produce healthier meat, i.e. with a higher ratio of polyunsaturated (PUFA) to saturated fatty acids and a more favourable balance between n-6 and n-3 PUFA.”
J. D. Wood, R. I. Richardson, G. R. Nute, A. V. Fisher, M. M. Campo, E. Kasapidou, P. R. Sheard and M. Enser. Meat Science, 2004; doi:10.1016/S0309-1740(03)00022-6.

“Fat deposition, fatty acid composition and meat quality: a review”
“This paper reviews the factors affecting the fatty acid composition of adipose tissue and muscle in pigs, sheep and cattle and shows that a major factor is the total amount of fat.”
J.D. Wood, M. Enser, A. V. Fisher, G.R. Nute, P.R. Sheard, R.I. Richardson, S.I. Hughes and F.M. Whittington. Meat Science, 2008; doi:10.1016/j.meatsci.2007.07.019.

“Genetic Recessive Conditions in Japanese Black & Brown Wagyu” (pdf)
A guide for learning about and managing the Genetic Recessive Conditions identified in the Wagyu breed.
Australian Wagyu Association: March 2010.

“Meat and Cancer”
“There is evidence that this risk [often reported linking high intake of meat with increased risk of cancers] may not be a function of meat per se, but may reflect high-fat intake, and/or carcinogens generated through various cooking and processing methods.”
Lynnette R. Ferguson. Meat Science, 2010; doi:10.1016/j.meatsci.2009.06.032.

“Red meat consumption: An overview of the risks and benefits”
“Despite many studies reporting an association between red meat and the risk of CVD and colon cancer, several methodological limitations and inconsistencies were identified which may impact on the validity of their findings. Overall, there is no strong evidence to support the recent conclusion from the World Cancer Research Fund (WCRF) report that red meat has a convincing role to play in colon cancer.”
Alison J. McAfee, Emeir M. McSorley, Geraldine J. Cuskelly, Bruce W. Moss, Julie M.W. Wallacea, Maxine P. Bonham and Anna M. Fearon. Meat Science, 2010; doi:10.1016/j.meatsci.2009.08.029.

“Understanding Genetic Disorders in Wagyu” (pdf)
“A prominent member of the animal science community in Japan..., Professor Kunieda provided an outline during the AWA conference of hereditary diseases known in Wagyu cattle, and how they are being effectly managed in his country.”
Australian Wagyu Update: December 2009.

“Comparison of genetic gains per year for carcass traits among breeding
programs in the Japanese Brown and the Japanese Black cattle” (pdf)
Graduate School of Agriculture, Kyoto University, Japan; Institute of Animal Genetics, Nutrition and Housing, University of Berne, Switzerland; Kumamoto Prefectural Agricultural Research Center, Japan; Oita Prefectural Research Center for Agriculture, Forestry and Fisheries, Japan; and Hyogo Prefectural Technology Center for Agriculture, Japan

“Computer image analysis for prediction of carcass composition from cross-sections of Japanese Black steers” (pdf)
Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Japan; Chugoku National Agricultural Experiment Station, Ministry of Agriculture, Forestry, and Fisheries, Oda-Shi, Japan, National Livestock Breeding Center, Ministry of Agriculture, Forestry, and Fisheries, Nishi-Shirakawa, Japan; and Department of Animal Breeding and Genetics, National Institute of Animal Industry, Tsukuba Shi, Ibaraki-Ken, Japan

“Effectiveness of adjusting for heterogeneity of variance in genetic evaluation of Japanese Black cattle” (pdf)
Laboratory of Animal Breeding and Genetics, Graduate School of Agriculture, Kyoto University, Kyoto, 606-8502, Japan; and Department of Animal Research, Agura Farm, Nasushiobara, 325-0033, Japan

“Effect of Breed Type and Sex on the Fatty Acid Composition of Subcutaneous and Intramuscular Lipids of Finishing Steers and Heifers” (pdf)
Livestock Farm, Faculty of Agriculture, Kyoto University, Japan; Texas Agricultural Experiment Station, McGregor Research Center, McGregor; and Department of Animal Science, Texas A&M University, College Station

“Effect of direct and indirect selection criteria for efficiency of gain on profitability of Japanese Black cattle selection strategies” (pdf)
Animal Breeding and Genetics Group, Department of Animal Sciences, Egerton University, 20115 Egerton, Kenya; and Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, 606 8502 Kyoto, Japan

“Effect of Mitochondrial DNA Variation on Carcass Traits of Japanese Black Cattle” (pdf)
Laboratory of Animal Breeding and Genetics, Faculty of Agriculture, Kobe University, Kobe, Japan and Laboratory of Animal Breeding, Faculty of Agriculture, Miyazaki University, Miyazaki, Japan

“Effects of Production Circumstances on Expected Responses for Growth and Carcass Traits to Selection of Bulls in Japan” (pdf)
Faculty of Economics, Ryukoku University, Kyoto, Japan and Department of Animal Breeding, Wageningen Institute of Animal Sciences, Wageningen, The Netherlands

“Environmental impacts of the Japanese beef-fattening system with different feeding lengths as evaluated by a life-cycle assessment method” (pdf)
National Institute of Livestock and Grassland Science, Tsukuba, Ibaraki, Japan

“Estimation of direct and maternal genetic and permanent environmental effects for weights from birth to 356 days of age in a herd of Japanese Black cattle using random regression” (pdf)
Graduate School of Agricultural Science, Faculty of Agriculture, Tohoku University, Sendai, Miyagi Prefecture, Japan; and Miyagi Prefecture Animal Industry Experiment Station, Iwadeyama-cho, Miyagi Prefecture, Japan

“Genetic and economic evaluation of Japanese Black (Wagyu) cattle breeding schemes” (pdf)
Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Japan

“Genetic effects on fatty acid composition of carcass fat of Japanese Black Wagyu steers” (pdf)
Hyogo Prefectural Agricultural Institute, Kasai, Hyogo, Japan; Hyogo Prefectural Hokubu Agricultural Institute, Wadayama, Hyogo, Japan; Tottori Prefectural Animal Husbandry Experiment Station, Akazaki, Tottori, Japan; Shimane Prefectural Animal Husbandry Experiment Station, Izomo, Shimane, Japan; and Hiroshima Prefectural Livestock Technology Research Center, Yuki, Hiroshima, Japan

“Genetic Parameters for Growth and Carcass Traits in Japanese Brown Cattle Estimated from Field Records” (pdf)
Department of Animal Breeding, Wageningen Institute of Animal Science, Wageningen, The Netherlands

“Genetic variation in fatness and fatty acid composition of crossbred cattle” (pdf)
Livestock Systems Alliance, University of Adelaide, Roseworthy, Australia, and Struan Research Centre, South Australian Research and Development Institute, Naracoorte, Australia

“Genotype X environment interaction effects on carcass traits in Japanese Black cattle” (pdf)
Department of Animal Research, Agura Farm, Nasushiobara, Japan; and
Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Japan

“Identification of mitochondrial DNA substitutions related to meat quality in Japanese Black cattle” (pdf)
Laboratory of Animal Breeding and Genetics, Faculty of Agriculture, Kobe University, Japan and Experimental Farm, Kobe University, Kasai, Japan

“Inbreeding and effective population size of Japanese Black cattle” (pdf)
Department of Biotechnology, Faculty of Engineering, Kyoto Sangyo University, Kyoto, Japan and Faculty of Agriculture, Kobe University, Kobe, Japan

“Influence of vitamin A on the quality of beef from the Tajima strain of Japanese Black cattle”
“These results suggest that vitamin A supplementation affects carcass marbling only if given before 23 months of age, in these cattle.”
Akio Oka, Yoshiyuki Maruo, Takahiro Miki, Toshinobu Yamasaki and Takemitsu Saito. Meat Science, 1998; doi:10.1016/S0309-1740(97)00086-7.

“Intramuscular fat deposition in principal muscles from twenty-four to thirty months of age using identical twins of Japanese Black steers” (pdf)
National Livestock Breeding Center, 1 Odakurahara, Nishigo, Fukushima 961-8511, Japan; Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan; and National Livestock Breeding Center Ohu Station, Shichinohe, Aomori 039-2567, Japan

"A meta-analytic assessment of a Thyroglobulin marker for marbling in beef cattle" (pdf)
Ian A. Wood, Gerhard Moser, Daniel L. Burrell, Kerrie L. Mengerson, D. Jay S.Hetzel
School of Mathematical Sciences, Queensland University of Technology; Genetic Solutions Pty. Ltd.

“Plasma Insulin, Metabolite Concentrations, and Carcass Characteristics of Japanese Black, Japanese Brown, and Holstein Steers” (pdf)
Department of Animal Production, Kyushu National Agricultural Experiment Station, Kumamoto, Japan

“Prediction of crude fat content of longissimus muscle of beef using the ratio of fat area calculated from computer image analysis” (pdf)
Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan

“Quantitative trait loci analysis for growth and carcass traits in a half-sib family of purebred Japanese Black (Wagyu) cattle” (pdf)
Cattle Breeding Development Institute of Kagoshima Prefecture, Tsukino, Osumi, So, Kagoshima, Japan; and Shirakawa Institute of Animal Genetics, Japan Livestock Technology Association, Odakura, Nishigo, Fukushima

“Relationship of Fatty Acid Composition to Intramuscular Fat Content in Beef from Crossbred Wagyu Cattle” (pdf)
Department of Chemistry and Biochemistry, University of Lethbridge, Lethbridge, Alberta, Canada; Agriculture and Agri-Food Canada (AAFC), Lethbridge Research Centre, Lethbridge, Alberta, Canada; and AAFC, Lacombe Research Centre, Lacombe, Alberta, Canada

“Structural Changes in Intramuscular Connective Tissue During the Fattening of Japanese Black Cattle: Effect of Marbling on Beef Tenderization” (pdf)
Meat Science Laboratory, Department of Animal Science, Faculty of Agriculture, Hokkaido University, Sapporo, Japan

“The Effectiveness of the Best Linear Unbiased Prediction of Beef Sires Using Field Data Collected from Small Farms” (pdf)
Department of Animal Science, Kyoto University

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Other scientific papers

"GeneNOTE 10, GeneSTAR Feed Efficiency 4, The First DNA Marker Tests for Net, Feed Intake and Feed Conversion Efficiency" (pdf)
Catapult Genetics

"GeneNOTE 11, GeneSTAR Tenderness 4, A multi-marker DNA test for beef tenderness" (pdf)
Catapult Genetics

"GeneNOTE 12, GeneSTAR Marbling 4, A multi-marker DNA test for marbling" (pdf)
Catapult Genetics

"GeneSTAR Marbling4, Tenderness4 Feed Efficiency4, Technical Update October 2006" (pdf)
Catapult Genetics

“Genetic Regulation of Fat Deposition” – Research currently underway
“Previous investigations indicate that marbling from Wagyu cattle will be more abundant than in Angus cattle and will have greater levels of expression of several fat regulating genes.”

“Marker Assisted Selection for Beef Improvement” (pdf)
Texas Cooperative Extension, Texas A&M

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