Abstract
Salinas-Chavira, J., Guerrero, V.I., Robles, C.A., Montaño-Gómez, M.F. and Montañez-Valdez, O.D. 2008. Effect of tallow and rice polishings in feedlot rations on growth and carcass characteristics of lambs. J. Appl. Anim. Res., 34: 45–48. Effect of tallow (Ta) level in rations with rice polishings (RP) on growth and carcass characteristics was studied on twenty one intact males (22.76±3.11kg, Dorper? Pelibuey) housed in individual pens and assigned at random to 3 treatments viz. 0, 2.5 or 5% tallow (ta) replacing equal quantities of sorghum grain and 18% rice polish (RP). Lambs were fed for 60 d on diets formulated to contain 14% CP and 2.6 Meal I kg ME. No differences (P>0.05) were observed among treatments for daily dry matter intake, daily weight gain, feed efficiency, subcutaneous fat and Longissimus dorsi area. It is concluded that rations for feedlot lambs with 18% of rice polishings may include 5% of tallow, without negative effects on growth or carcass of lambs.
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