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GRAZING MANAGEMENT STUDIES WITH THAI GOATS I. PRODUCTIVITY OF FEMALE GOATS GRAZING NEWLY ESTABLISHED PASTURE WITH VARYING LEVELS OF SUPPLEMENTARY FEEDING

  • Kochapakdee, S. ;
  • Pralomkarn, W. ;
  • Saithanoo, S. ;
  • Lawpetchara, A. ;
  • Norton, B.W.
  • Received : 1993.09.23
  • Accepted : 1994.03.03
  • Published : 1994.06.01

Abstract

This report deals with the effect of levels of concentrate supplementary feeding (Nil, 0.25% BW and 0.75% BW) on the productivity of different genotypes (Thai native (TN), 25% Anglo-Nubian (AN), 50% AN and 75% AN) of female goats grazing newly established pasture in a tropical area. The major species of grass was Brachiaria mutica (33%) and of legumes was Centrosema pubescens (34%). There was no significant (p>0.05) difference between nil and 0.25% BW supplementary feeding for growth rate ($g/kg^{0.75}/d$). However, goats fed 0.75% BW supplementary feeding had significantly (p<0.01) higher growth rates than did other treatments. There was no significant (p>0.05) difference among genotypes and between age for growth rate. There was no interaction between feeding and genotype for growth rate.

Keywords

Grazing Management;Thai Goats;Grass-Legume Pasture;Supplementation

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