Abstract
A 152 day trial was conducted to see the effect of feeding naturally fermented wheat straw (FWS) with either energy, protein or energy protein supplements on the growth of buffalo calves. Twenty four male buffalo calves (10-12 months old) divided in 6 equal groups were individually offered FWS as sole roughage along with either conventional concentrate mixture (conc), maize grains (M), solvent extracted mustard cake (DMC), M-DMC mixture (50:50), deoiled rice bran (DRB) or uromol bran mixture (UBM) in 70:30 ratio. The digestibility of nutrients, nitrogen retention and nutritive value was maximum in FWS:UBM followed by FWS:DMC and FWS:Conc groups. Almost, all the blood parameters were observed well within the normal range except that of blood urea (FWS:UBM) and creatinine (FWS:DMC and FWS:DRB). The dietary combination in which FWS was supplemented with only conventional protein supplement like DMC proved to be highly efficient as far as live weight gain was concerned. FWS supplemented with energy-protein combination i.e. M- DMC could also be used as complete feed for growing calves in comparison to conventional feeding system. (Asian-Aust. J. Anim. Sci. 2002. Vol 15, No. 11 : 1568-1572)
Highlights
It has been reported that naturally fermented wheat straw with urea (96.5:3.5) when supplemented with Vit
Keeping in view the queries raised at various forums that whether the nutrient requirements of different categories of ruminants could be met by supplementing fermented wheat straw (FWS) with either energy, protein or energy protein supplements in comparison to conventional concentrate mixture
The digestion kinetic studies revealed that FWS supplemented with N sources like uromol bran mixture (UBM), and deoiled mustard cake (DMC), energy source like maize (M) or energy protein supplement like MDMC (50:50) in 70:30 ratio were considered quite promising
Summary
It has been reported that naturally fermented wheat straw with urea (96.5:3.5) when supplemented with Vit. A and minerals could meet the energy and protein requirements for maintenance of adult ruminants (Bakshi et al, 1986). A and minerals could meet the energy and protein requirements for maintenance of adult ruminants (Bakshi et al, 1986) This technology has universal application on all cereals straws, maize stovers and millet stalks (Bakshi and Langar, 1994). The digestion kinetic studies revealed that FWS supplemented with N sources like uromol bran mixture (UBM), and deoiled mustard cake (DMC), energy source like maize (M) or energy protein supplement like MDMC (50:50) in 70:30 ratio were considered quite promising. 4 kg deoiled rice bran was mixed while the uromol was still hot
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