Quddus, Muhammad A.; Davies, Stephen P.; Lybecker, Donald W. - In: The Pakistan Development Review 36 (1997) 2, pp. 171-190
The Pakistan Agricultural Sector Model (PASM) developed by Davies et al. (1991) was modified to enhance the livestock sub-sector. Nutrient-based rations replaced feedstuff-based rations and dry matter minimum and maximum constraints (stomach capacity) were added. Several initial simulations were...