PJB-2008-227
MINERAL COMPOSITION, PALATABILITY AND DIGESTIBILITY OF FREE RANGELAND GRASSES OF NORTHERN GRASSLANDS OF PAKISTAN
JAVED IQBAL SULTAN*, INAM-UR-RAHIM*, HAQ NAWAZ* MUHAMMAD YAQOOB** AND IJAZ JAVED***
Abstract
A study was conducted in the valley of Chagharzai in Bunair district lying in the north Trans-Himalayan moist zone occupying Malakand Division, North Western Frontier Province (NWFP), Pakistan to determine mineral composition, palatability and digestibility of locally available free rangeland grasses. The study area lies between 34.42 to 34.66 degree latitude and 72.62 to 72.78 degree longitude, having a humid subtropical to temperate environment. The annual precipitation varies from 600 to 1000 mm, mainly during summer and spring. Ten free rangeland grasses were identified for macro-minerals (Ca, P, K and Mg) and micro-minerals (Cu, Zn, Mn and Co). The mean percentage values for Ca, P, K and Mg at early bloom stage were 0.26±0.022, 0.025±0.004, 0.69±0.113 and 0.044±0.006, respectively. The mean ppm values for Cu, Zn, Mn and Co at early bloom stage were 22.75±2.671
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