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Kerala Veterinary and Animal Sciences University, Wayanad

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20211
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Subject: Animal Nutrition × Author: ARATHI SALIM × Start date: 2020 ×
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    ThesisItemOpen Access
    DIETARY INCORPORATION OF RAW BANANA PEEL SILAGE ON GROWTH AND NUTRIENT UTILISATION IN WEANED MALABARI KIDS
    (KERALA VETERINARY AND ANIMAL SCIENCES UNIVERSITY, WAYANAD, 2021-07-09) ARATHI SALIM; Biju Chacko
    A study was conducted to assess the effect of dietary incorporation of raw banana peel silage on growth performance, nutrient utilisation and techno economics of production, in weaned Malabari kids. Based on the preliminary laboratory trial, it was found that the combination of raw banana peel with three per cent jaggery, ensiled for 24 days gave good quality silage with yellowish brown colour, fruity odour and pH of 3.90. The above method was used for preparation of silage in bulk and was used for subsequent in vivo study, viz., feeding trial. A feeding trial of 60 days duration was conducted in eighteen Malabari kids, divided into three groups of six each, as uniformly as possible with regard to body weight, age and sex and randomly allotted to three groups T1, T2 and T3 and fed on the respective isonitrogenous and isocaloric rations, on DM basis, so as to meet the requirements as per ICAR feeding standards (ICAR 2013); viz., T1 was fed with concentrate mixture and green fodder, T2 with concentrate mixture, green fodder and 100 g raw banana peel silage and T3 with concentrate mixture, green fodder and 200 g raw banana peel silage. Data on body weight gain, dry matter intake (DMI), feed conversion efficiency (FCE), digestibility coefficient of nutrients and cost per kg gain were employed for the evaluation of the work. The average daily gain and the total average weight gain of kids were 55.97, 59.32, 56.80 g per day and 3.36, 3.57, 3.41 kg, respectively in groups T1, T2 and T3, with both ADG and total average weight gain of kids in T2 being significantly higher (P0.05) to both T1 and T2. The average daily DMI of kids in groups, T1, T2 and T3 were 0.56, 0.58 and 0.60 kg per day, respectively and were similar. The average values of FCE of kids fed on rations T1, T2 and T3, were 5.26, 5.02 and 5.39, respectively, with the values being similar (P>0.05). The digestibility coefficient of DM, CP, NFE, NDF and ADF of T1 and T2 were significantly higher (P0.01). The digestibility coefficient of EE was similar (P>0.05) whereas that of CF was highest (P<0.01) in T2 followed by T1 and T3 in descending order. The cost per kg body weight gain was Rs. 238.33, 226.04 and 246.74 for kids in groups, T1, T2 and T3, respectively. An overall critical evaluation of the results of the present study showed that kids fed on a diet containing raw banana peel silage at 100 g level on DM basis (T2), ie., 10 per cent level, had similar DMI, FCE and digestibility coefficients of nutrients as that of an unsupplemented control diet (T1). Both T2 and T1, were better than T3, the diet containing raw banana peel silage at 200 g level on DM basis, ie., 20 per cent level, in all aspects. Among T1 and T2 which were more or less comparable and statistically similar, T2 was better than T1 as it elicited a better production performance by way of significantly higher ADG, higher total weight gain, better FCE and lower cost per kg gain than T1. Therefore, it can be concluded that raw banana peel silage can be safely incorporated as an alternative livestock feed in the ration of kids upto 100 g on DM basis (10 per cent), replacing green fodder, without affecting growth performance, with economic benefits.