1Department of Animal Nutrition, NTR College of Veterinary Science, Gannavaram-521 101, India
Department of Animal Nutrition, College of Veterinary Science Rajendranagar, Hyderabad-500 030, India
*Corresponding author: repalleprasannakumar@gmail.com
Online published on 31 May, 2018.
Sixteen lactating buffaloes, divided randomly into four equal groups, were fed rations based on untreated paddy straw (R1), untreated palm press fibre (PPF; R2), urea-treated PPF along with concentrate mixture (R3) and urea-treated PPF with green fodder and concentrate mixture (R4) to study their nutrient utilization and production performance. The digestibility coefficients of CP, cellulose and hemicelluloses were significantly (P<0.01) higher by 6.44, 7.18 and 0.97; 13.01, 12.89 and 0.59, 10.68, 16.16 and 8.70 and 17.51, 16.16 and 8.71 percentage units, respectively, in buffaloes fed R3 and R4 as compared to R1 and R2. There was no significant difference in nutrient digestibility between R3 and R4. The DCP and TDN values of R3 and R4 were significantly (P<0.01) higher than paddy straw and untreated PPF (R1 and R2) based rations. Milk yield of lactating buffaloes did not differ significantly among the four groups. The fat and total solids contents were significantly (P<0.05) higher in milk of buffaloes fed with R3 and R4 as compared to R1 and R2. However, there were no significant differences in fat and total solids of milk produced by buffaloes fed on urea treated PPF containing rations (R3 vs R4). It is concluded that urea-treated PPF can replace paddy straw completely without affecting productivity of lactating buffaloes. The cost of feed/kg milk production was lower in rations containing urea-treated PPF than untreated PPF indicating that urea treatment reduces the investment incurred in concentrate mixture.
Buffaloes, Milk yield, Nutrient digestibility, Palm press fibre