[Baker M.J., Tedeschi L.O., Fox D.G., Henning W.R., Ketchen D.J. (2006). Using ultrasound measurements to predict body composition of yearling bulls. J. Anim. Sci., 84: 2666-2672.]Search in Google Scholar
[Bergen R., Crews Jr. D.H., Miller S.P., Mc Kinnon J.J. (2003). Predicting lean meat yield in beef cattle using ultrasonic muscle depth and width measurements. Can. J. Anim. Sci., 83: 429-434.]Search in Google Scholar
[Bergen R., Miller S.P., Mandell I.B., Robertson W.M. (2005). Use of live ultrasound, weight and linear measurements to predict carcass composition of young beef bulls. Can. J. Anim. Sci., 85: 23-35.]Search in Google Scholar
[Blanco Roa N.E., Huba J., Polák P., Hetényi L., Peškovičová D., Bahelka I. (2003). Comparison of differences in muscle depth and possibilities to predict some parameters of carcass value in bulls by an ultrasonographic method. Czech J. Anim. Sci., 48: 338-343.]Search in Google Scholar
[Brethour J.R. (2000). Using serial ultrasound measures to general model of marbling and backfat thickness changes in feedlot cattle. J. Anim. Sci., 78: 2055-2061.]Search in Google Scholar
[Charagau P.K., Crews Jr. D.H., Kemp R.A., Mwansa P.B. (2000). Machine effect on accuracy of ultrasonic prediction of backfat and ribeye area in beef bulls, steers and heifers. Can. J. Anim. Sci., 80: 19-24.]Search in Google Scholar
[Choroszy Z., Grodzki G., Choroszy B., Szewczyk A., Stachyra M. (2010). Evaluation of beef cattle conformation in Poland - method description (in Polish). Prz. Hod., 8: 1-4.]Search in Google Scholar
[Cochran W.G., Cox G.M. (1957). Experimental Design (2nd Ed.). John Wiley & Sons, New York.]Search in Google Scholar
[Conroy S.B., Drennan M.J., Kenny D.A., Mc Gee M. (2009). The relationship of live animal muscular and skeletal scores, ultrasound measurements and carcass classification scores with carcass composition and value in steers. Animal, 3: 1613-1624.]Search in Google Scholar
[Conroy S.B., Drennan M.J., Kenny D.A., Mc Gee M. (2010). The relationship of various muscular and skeletal scores and ultrasound measurements in the live animal, carcass classification scores with carcass composition and value of bulls. Livest. Sci., 127: 11-21.]Search in Google Scholar
[Drennan M.J., Keane M.G., Mc Gee M. (2007). Relationship of live animal scores/measurements and carcass grades with carcass composition and carcass value of steers. In: Evaluation of carcass and meat quality in cattle and sheep, Lazzaroni C., Gigli S., Gabina D. (eds). Wageningen Academic Publishers, EAAPpublication, 123, pp. 159-169.]Search in Google Scholar
[Drennan M.J., Mc Gee M., Keane M.G. (2008). The value of muscular and skeletal scores in the live animal and carcass classification scores as indicators of carcass composition in cattle. Animal, 2: 752-760.]Search in Google Scholar
[Gil Z., Adamczyk K., Golonka M., Zapletal P., Choroszy Z. (2007). Prediction of dressing percentage in young cattle based on pre-slaughter evaluation of selected traits (in Polish). Rocz. Nauk. Zoot., 34: 13-19.]Search in Google Scholar
[Greiner S.P., Rouse G.H., Wilson D.E., Cundiff L.V., Wheeler T.L. (2003 a). The relationship between ultrasound measurements and carcass fat thickness and longissimus muscle area in beef cattle. J. Anim. Sci., 81: 676-682.10.2527/2003.813676x12661648]Search in Google Scholar
[Greiner S.P., Rouse G.H., Wilson D.E., Cundiff L.V., Wheeler T.L. (2003 b). Prediction of retail product weight and percentage using ultrasound and carcass measurements in beef cattle. J. Anim. Sci., 81: 1736-1742. 10.2527/2003.8171736x12854810]Search in Google Scholar
[Guidelines for Uniform Beef Improvement Programs. Ninth Edition. 2010. Beef Improvement Federation. http://www.beefimprovement.org/content/uploads/2013/07/Master-Edition-of-BIF-Guidelines-Updated-12-17-2010.pdf]Search in Google Scholar
[Indurain G., Carr T.R., Goni M.V., Insausti K., Beriain M.J. (2009). The relationship of carcass measurements to carcass composition and intramuscular fat in Spanish beef. Meat Sci., 82: 155-161.]Search in Google Scholar
[Mc Kiernan B. (2007). Muscle scoring beef cattle. NSW Department of Primary Industries, New South Wales, Australia, http:www.dpi.nsw.gov.au/__data/assets/pdf_file/0006/103938/musclescoring-beef-cattle.pdf]Search in Google Scholar
[Młynek K., Litwińczuk Z. (1999). Suitability of zoometric measurements and conformation indices for evaluating slaughter value of cattle slaughtered at around 5000 kg body weight (in Polish). Zesz. Nauk. Prz. Hod., 44: 343-351.Realini C.E., Williams R.E., Prongle T.D., Bertrand J.K. (2001). Gluteus medius and rump fat depths as additional live animal ultrasound measurements for predicting retail product and trimmable fat in beef carcasses. J. Anim. Sci., 79: 1378-1385.]Search in Google Scholar
[Słoniewski K., Dymnicki E., Sakowski T., Oprządek J., Oprządek A. (2001). Use of in vivo ultrasound measurements for predicting the slaughter value of beef bulls. Anim. Sci. Pap. Rep., 19: 57-64.]Search in Google Scholar
[Tait R.G. Jr., Wilson D.E., Rouse G.H. (2005). Prediction of retail product and trimmable fat yields from the four primal cuts in beef cattle using ultrasound or carcass data. J. Anim. Sci., 83: 1353-1360.]Search in Google Scholar
[Török M., Polgár J.P., Kosci G., Farkas V., Szabó F. (2009). Correlation of ultrasonic measured ribeye area and fat thickness to the certain traits measured on slaughter bulls (Short Communication). Arch. Tierz., 52: 23-27.]Search in Google Scholar
[Trela J., Choroszy B. (2011). The work of the National Research Institute of Animal Production in beef livestock production (in Polish). Wiad. Zoot., XLIX, 4: 11-56.]Search in Google Scholar