Browsing by Author "Gokdal, Ozdal"

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The Effects of Docking on Fattening Performance and Carcass Characteristics in Fat-Tailed Norduz Male Lambs
(Elsevier Science Bv, 2006) Bingol, Mehmet; Aygun, Turgut; Gokdal, Ozdal; Yilmaz, Ayhan
The effects of docking on fattening performance and carcass characteristics were investigated using 28 fat-tailed Norduz single-born male lambs raised at the Research and Practice Farm of Yuzuncu Yil University of Van, Turkey. Lambs (n = 13) were docked at 1 day of age with rubber-rings using elastrator. After weaning, lambs were fed concentrates ad libitum for 70 days. Carcasses of slaughtered lambs were chilled at +4 degrees C for 24 h and evaluated for carcass characteristics. Average daily live weight gains of control and docked lambs were 203 and 210 g, respectively. The slaughter and carcass characteristics of the control and docked lambs were as follows: untailed dressing percentages 38 and 43%; kidney and pelvic fat weights 0.07 and 0.11 kg; neck weights 0.6 and 0.7 kg; flank-breast weights 0.76 and 0.98 kg; tail fat weights 3.08 and 1.07 kg, respectively. These differences were significant. Though not significant, corresponding estimates for Musculus longissimus dorsi areas 16.8 and 19.1 cm(2); muscle ratios 42 and 41%; bone ratios 24 and 23%; subcutaneous fat ratios 12.2 and 15.7%; intramuscular fat ratios 3.6 and 3.8%, respectively, were important. The results of this research indicated that docking of fat-tailed Norduz lambs was beneficial in both improving daily live weight gain and carcass characteristics by consumers. (c) 2005 Elsevier B.V. All rights reserved.
The Effects of Immunological Castration Against Gnrh With Recombinant Ol Protein (ovalbumin-Lhrh on Carcass and Meat Quality Characteristics, Histological Appearance of Testes and Pituitary Gland in Kivircik Male Lambs
(Elsevier Sci Ltd, 2010) Gokdal, Ozdal; Atay, Okan; Ulker, Hasan; Kayaardi, Semra; Kanter, Mehmet; DeAvila, Michael David; Reeves, John Jerry
The aims of the study were to investigate the effects of immunization against GnRH using OL protein (Ovalbumin-LHRH-7) on feedlot performance, carcass, meat quality and some reproductive traits in Kivircik ram lambs. Ram lambs in the immunization (I, n = 7) group were immunized against GnRH using OL protein and boosted 2 weeks later. Control (C, n = 7) group was not treated. The animals were kept at pasture for 6 weeks after the first immunization, subjected to a 70 day fattening program, and then slaughtered. Growth performance, various carcass and meat quality characteristics were not affected from the immunization. GnRH immunization induced GnRH antibody production, suppressed testosterone production and testicular growth (P<0.01). Testicular structure was negatively affected from the immunization, but not pituitary. These results suggest that immunization against GnRH with OL could be an alternative castration technique in ram lambs without negatively affecting carcass and meat quality characteristics. (C) 2010 The American Meat Science Association. Published by Elsevier Ltd. All rights reserved.
Some Productive Characteristics and Body Measurements of Norduz Goats of Turkey
(Springer, 2012) Bingol, Mehmet; Gokdal, Ozdal; Aygun, Turgut; Yilmaz, Ayhan; Daskiran, Irfan
Productive characteristics and body measurements of Norduz goats, a native genetic resource in Turkey, were measured. The animals studied were brought from natural habitats to the farm of the Animal Science Department of Agricultural Faculty, Yuzuncu YA +/- l University. Least squares means of withers height (WH), body length (BL), chest width at back of withers (CWBW), chest depth (CD), chest girth (CG) and leg girth (LG) of Norduz does were 65.9 +/- 1.08, 67.2 +/- 1.08, 21.1 +/- 0.88, 30.8 +/- 0.62, 88.9 +/- 1.78 and 60.4 +/- 1.28 cm, respectively. Least squares means of body weights after parturition of does were 41.3 +/- 2.01 kg. The means of lactation length and lactation milk yield were 226. +/- 7.2 days and 347 +/- 40.1, respectively. Twinning rate, fertility, fecundity, litter size and litter size at weaning were 30%, 98%, 1.27, 1.30 and 1.28, respectively. Means of WH, BL, CWBW, CD, CG, LG and body weights of Norduz bucks were 73.9 +/- 2.61, 75.6 +/- 2.23, 21.4 +/- 0.67, 33.9 +/- 1.15, 95.0 +/- 2.34, 69.8 +/- 2.69 cm and 58.7 +/- 3.91 kg, respectively.