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Effects of field pea (Pisum sativum L.) hay feeding on dry matter intake and milk production of Murrah buffaloes (Bubalus bubalis) fed rice straw ad libitum
Authors:Yoshiaki HAYASHI,Naba Raj DEVKOTA, Hajime KUMAGAI &dagger  
Affiliation:Graduate School for International Development and Cooperation, Hiroshima University, Higashi-Hiroshima, Japan;and;Institute of Agriculture and Animal Science, Tribhuvan University, Rampur, Chitwan, Nepal
Abstract:To identify the effects of field pea hay (FPH) as a supplement of rice straw (RS) on feed intake and milk production of mid‐late lactation buffaloes in Tarai, Nepal, nine multiparous Murrah were fed a concentrate at 0.6% of their bodyweight (BW) on a concentrate dry matter (DM) basis daily while having ad libitum access to RS. The buffaloes were divided into three groups, and the experiment with three levels of FPH feeding was conducted at the following rate of BW: 0% (T1), 0.5% (T2) and 1.0% (T3) on an FPH DM basis. The DM intake (DMI) was higher in T2 and T3 than in T1. As the amount of FPH was raised, the BW change, crude protein intake (CPI) and total digestible nutrient intake (TDNI) was increased. Although the yield of milk and milk composition did not differ among the treatments, the 7% fat corrected milk yield (FCMY) tended to increase as FPH feeding amount was raised. Although there were no significant differences in FCMY/DMI and FCMY/TDNI among the treatments, FCMY/CPI decreased with FPH feeding. Supplementary FPH increased DMI, CPI and TDNI that might have raised BW, and tended to improve FCMY in mid‐late lactating buffaloes as a result of an increase in TDNI.
Keywords:buffalo    dry matter intake    field pea hay    milk production    Nepal
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