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Birsa Agricultural University, Ranchi

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Subject: Animal Nutrition × Author: SINHA, MUKUL RANJAN × End date: 2007 × Start date: 2000 ×
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    ThesisItemOpen Access
    UTILIZATION OF NIGER SEED CAKE WITH OR WITHOUT SUPPLEMENTATION OF NONSTARCH POLYSACCHARIDES DEGRADING ENZYMES IN QUAIL RATION
    (Birsa Agricultural University, Kanke, Ranchi, Jharkhand, 2007) SINHA, MUKUL RANJAN; Bhakt, R.
    200, day old Japanese quail chicks were procured from RVC quail farm and maintained at Hatchery Unit, Deptt. of Animal Nutrition. They were kept in a well ventilated cage (5 x 3 sqft). From 1st to 6th day they were given crushed maize and ad-lib. water to drink. On 7th day they were weighed and divided randomly into 5 groups (T1, T2, T3,T4 and T5). All the rations of different groups were prepared in such a way that they contained all the nutrients as per NRC (1971) recommendations. Group T1 (Control) was fed control ration containing GNC (32%), Maize (56%) fish meal (10%), mineral mixture (1.5%) and common salt (0.5%). In the ration of group T2 – 50% of GNC was replaced by NSC on protein equivalent basis. The diet of group T3 was the same as T2 but it was supplemented with Nutrizyme spl @ 10g/100kg of feed. In ration of group T4 the GNC protein was completely replaced by NSC and in group T5, ration was same as that of T4 but additionally supplemented with Nutrizyme sp. @ 10g/100kg feed. Birds were weighed at the start of the experiment and then at weekly intervals for 6 weeks. Metabolic trial was conducted at the end of 6th week of experiment with 2 days adjustment and 3 days collection. Daily feed intake, excreta voided were recorded. The samples of feed and excreta voided were analysed and balances of N, Ca and P were worked out. Economics of feeding was calculated on the basis of current market price of different feed ingredients. At the end of 6th experimental week of growth trial, 4 birds from each group were selected randomly for carcass quality study. Important findings of the experiment were as follows: 1. CP content of various rations varied from 23.44 percent to 23.74 percent and CF content varied from 4.69 percent (T1) to 8.99 percent (T5). The increase in the CF over and above the recommendation is due to the inclusion of Niger seed cake in the ration. 2. The average daily feed consumption of 5 groups were 21.15 ± 3.51, 20.89 ± 3.38, 20.20 ± 30.27, 20.74 ± 3.31 and 20.48 ± 3.26, respectively, which did not differ significantly among themselves 3. The average body weight of quails of group T5 was significantly higher (159.68) than those of T1 (142.43), T2 (144.00), T3 (149.73) and T4 (150.81). The mean body weight of quails of group T3 and T4 was significantly higher than those the quails of group T1 and T2, however, they did not differ among themselves. Similarly the mean body weight of quails of groups T1 and T2 did not differ significantly(P>0.05). 4. Quails of all the groups were in positive Nitrogen, Calcium and Phosphorus balance. 5. All carcass and organoleptic characters did not differ significantly among quails of various groups. 6. The average quantities of feed consumed per kg gain in live weight (feed conversion efficiency) were found to be 8.07 + 3.29, 8.74 + 3.60, 7.69 + 2.72, 7.63 + 2.51 and 6.92 + 2.27 g, respectively for groups T1, T2, T3, T4 and T5. The ration of group T5 in which GNC was replaced by NSC and supplemented with NSP degrading enzyme showed the best FCR. 7. The cost of 100 kg compounded feed for groups T1, T2, T3, T4 and T5 were Rs.1290.50, Rs.1157.00, Rs.1187.00, Rs.1024.00 and Rs.1054.00, respectively. The ration of group T4 in which GNC was completely replaced by NSC was the cheapest. Inclusion of NSP (Non-starch polysaccharide) degrading enzyme in Niger seed cake feeding improved weight gain and feed conversion ratio in Japanese quail ration.