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Rajasthan University of Veterinary and Animal Sciences, Bikaner (2019)

Effect of Supplementation of Fenugreek (Trigonella foenum-graecum L.) seeds as Feed Additive on Nutrient Utilization and Growth Performance in Goats

SHABD PRAKASH

Titre : Effect of Supplementation of Fenugreek (Trigonella foenum-graecum L.) seeds as Feed Additive on Nutrient Utilization and Growth Performance in Goats

Auteur : SHABD PRAKASH

Université de soutenance : Rajasthan University of Veterinary and Animal Sciences, Bikaner

Grade : Master of Veterinary Science (Animal Nutrition) 2019

Résumé
In an attempt to assess the possibilities of utilization of fenugreek seeds as feed additive to achieve maximum efficiency of feed utilization from groundnut straw based complete feed, an experiment was conducted in two phases. In the first phase, chemical composition of feed ingredients was determined and fenugreek seeds were supplemented in groundnut straw based complete feed at 1, 2, 3, 4 and 5% level for in vitro studies. The IVDMD, IVOMD and IVTGP were determined for groundnut straw based complete feed using rumen liquor obtained from donor goats to arrive at optimum level of incorporation of fenugreek seeds in complete feed. In second phase, a growth trial of 90 days followed by metabolism trial was undertaken on 12 male Marwari goat kids (3-4 months old) divided in two groups of six each in a randomized block design using the groundnut straw based complete feed with optimum level of fenugreek seeds selected on the basis of results of in vitro studies, to assess the in vivo efficiency of nutrient utilization and growth performance in goat kids. Rumen and haemato biochemical parameters were also studied to ascertain the effect of supplementation of fenugreek seeds as feed additive on rumen fermentation pattern and physiological status of experimental animals. In vitro studies revealed highly significant (P<0.01) effect of fenugreek seeds supplementation on IVDMD, IVOMD and IVTGP. Significantly higher IVDMD, IVOMD and IVTGP were recorded at 3% level of inclusion of fenugreek seeds in groundnut straw based complete feed. 126 In second phase, highly significant (P<0.01) effect of treatment was observed on average daily gain (g/d), total body weight gain (kg) and digestibility of DM, OM and NFE. Whereas, significant (P<0.05) effect of treatment on digestibility of CP and CF, % DCP, % TDN, DE and ME (kcal/g), and intake of digestible nutrients i.e. DDMI, DOMI, DCPI and TDNI in term of g/d was observed. The effect of fenugreek seeds as feed additive on DMI, OMI in term of g/d, % kg BW and g/kgW0.75, body measurements like body height, length and girth, FCR, digestibility of EE, intake and balance of N and minerals (Ca and P) balances, intake of digestible nutrients i.e. DDMI, DOMI, DCPI and TDNI in term of % kg BW and g/kg W0.75 and various haemato biochemical parameters i.e. blood glucose, total serum protein, serum ALT and serum AST were found to be non-significant. Studies on rumen parameters revealed highly significant (P<0.01) effect of period on pH, TVFA, total protozoa count, NH3-N, total nitrogen, TCA-precipitable nitrogen and NPN. Supplementation of fenugreek seeds also significantly (P<0.01) improved the rumen fermentation, resulting in increased TVFA, total nitrogen and TCA-precipitable nitrogen, decreased total protozoa count and NH3-N in treatment group. Whereas, non-significant effect of treatment was observed on pH and NPN. Contemplating the findings of present study, it could be concluded that supplementation of fenugreek seeds at 3% level as feed additive in complete feed could be a viable proposition to improve the nutrient utilization in goats. Further, supplementation of fenugreek seeds as feed additive could be a practically viable strategy that can be adopted to improve performance of goats and to have sustainable goat production in arid conditions.

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