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Feeding Value of Urea Treated Wheat Straw Ensiled with or without Acidified Molasses in Nili-Ravi Buffaloes

  • Khan, M. Ajmal (Dairy Science Division, National Livestock Research Institute) ;
  • Sarwar, Muhammad (Institute of Animal Nutrition and Feed Technology, University of Agriculture) ;
  • Nisa, M. (Institute of Animal Nutrition and Feed Technology, University of Agriculture) ;
  • Khan, M.S. (Department of Animal Breeding and Genetics, University of Agriculture) ;
  • Bhatti, S.A. (Institute of Animal Nutrition and Feed Technology, University of Agriculture) ;
  • Iqbal, Z. (Department of Veterinary Parasitology, University of Agriculture) ;
  • Lee, W.S. (Dairy Science Division, National Livestock Research Institute) ;
  • Lee, H.J. (Dairy Science Division, National Livestock Research Institute) ;
  • Kim, H.S. (Dairy Science Division, National Livestock Research Institute) ;
  • Ki, K.S. (Dairy Science Division, National Livestock Research Institute)
  • Received : 2005.04.11
  • Accepted : 2005.11.18
  • Published : 2006.05.01

Abstract

Thirty early lactating Nili-Ravi buffaloes, six animals in each group, were used in a completely randomized design to examine the feeding value of 4% urea treated wheat straw (UTWS) ensiled with 6% or without acidified molasses. Five experimental diets were formulated. The control ration was balanced to contain 30% DM from UTWS ensiled without acidified molasses. The other four diets were formulated to have 30, 40, 50 and 60% DM from UTWS ensiled with 6% acidified molasses, respectively. Dry matter and neutral detergent fiber (NDF) intakes were higher in buffaloes fed diets containing UTWS ensiled with acidified molasses compared with those fed a diet containing UTWS ensiled without acidified molasses. Intake of DM was not significantly different in buffaloes fed diets containing varying levels of UTWS ensiled with acidified molasses. A similar trend was observed for crude protein (CP) intake. Apparent DM and NDF digestibilities were significantly higher in buffaloes fed diets containing UTWS ensiled with acidified molasses compared with those fed UTWS ensiled without acidified molasses. However, differences in DM and NDF digestibilities were non-significant across buffaloes fed diets containing varying levels of UTWS ensiled with acidified molasses. Milk yield (4% fat corrected) was significantly higher in buffaloes fed diets containing UTWS ensiled with acidified molasses than those fed a diet containing UTWS ensiled without acidified molasses. Milk yield was similar in buffaloes fed varying level of UTWS ensiled with acidified molasses. Milk CP, true protein, solid-not-fat and total solids were similar in buffaloes fed UTWS ensiled with or without acidified molasses. The UTWS ensiled with 6% acidified molasses can be included at up to 60% DM of lactating buffalo rations without any ill effect on productivity.

Keywords

Fermentable Carbohydrates;Crop Residues;Intake Digestibility;Milk Yield;Lactating Buffaloes

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