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PERFORMANCE OF LAMBS FED UREA MOLASSES BLOCKS vs CONCENTRATE

  • Mirza, I.H. (National Agricultural Research Center) ;
  • Jadoon, J.K. (Jaba Sheep Research Station) ;
  • Naqvi, M.A. (Animal Sciences Institute, National Agricultural Centre) ;
  • Ali, A. (National Agricultural Research Center)
  • Received : 1988.03.16
  • Accepted : 1988.05.25
  • Published : 1988.03.01

Abstract

Thirty five crossbred male lambs of about 8 months age, with an average body weight of 24 kg were divided into 7 groups of 5 lambs each and were fed urea molasses blocks (UMB) for 150 days (groups 1 to 5); having, 4, 6, 8 and 10% urea respectively; while group 6 was fed concentrate @318 g per head daily and 7th group was kept as control i.e. grazing only. Daily consumption of UMB/concentrate was found to be 318, 246, 211, 93 and 318 g/d for groups 1 to 6, respectively. The statistical differences in consumption between group 1 and group 6, and group 2, 3 and 4 were found to be non-significant. Only group 5 differed statistically from all other groups. The average daily gain was 48, 29, 39, 38, 25 and 66 grams for groups 1 to 6 respectively, while group no. 7 lost 11 g/head/day. The differences in weight gain among groups 1, 3, 4 and 6 were non significant. The expenditure per kg body weight gain was found to be ($Rs^C$) 9.53, 12.45, 8.05, 7.99, 3.69 and 10.85 for groups 1 to 6, respectively.

Keywords

Urea Molasses Blocks;Lambs