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Biofuel co-products as livestock feed - Opportunities and challenges

Biofuel co-products as livestock feed - Opportunities and challenges

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394<strong>Biofuel</strong> <strong>co</strong>-<strong>products</strong> <strong>as</strong> <strong>livestock</strong> <strong>feed</strong> – <strong>Opportunities</strong> <strong>and</strong> <strong>challenges</strong>TABLE 15Effect of <strong>feed</strong>ing water-w<strong>as</strong>hed neem seed kernel cake(WWNSKC) on the performance of buffalo calvesTABLE 18Effect of <strong>feed</strong>ing water-w<strong>as</strong>hed neem seed kernel cake(WWNSKC) on blood me<strong>as</strong>urementsParameterTreatmentControl ExperimentalParameterDGNCTreatmentsWWNSKCInitial body weight (kg) 83.2 83.2Growth rate (g/day) 507 a 606 bDry matter intake (kg/day) 2.63 2.87Digestibility (%)Dry matter 61.3 b 55.5 aCrude protein 71.4 68.7Ether extract 56.4 a 69.9 bTotal carbohydrates 61.8 b 56.1 aNitrogen balance (g/day) 27.5 37.4Source: Agrawal, Garg <strong>and</strong> Nath, 1987.TABLE 16Effect of <strong>feed</strong>ing water-w<strong>as</strong>hed neem seed kernel cake(WWNSKC) on milk yield <strong>and</strong> <strong>co</strong>mpositionParameterTreatmentsDGNC WWNSKCAverage daily milk yield (kg) 7.68 7.20Average daily milk yield <strong>co</strong>rrected for 7.21 7.55initial yield (kg)Average daily fat-<strong>co</strong>rrected milk yield (kg) 8.46 7.43Fat (g/kg) 45.0 41.3Crude protein (g/kg) 34.4 34.3Total solids (g/kg) 122.4 115.6Solids-not-fat (g/kg) 76.4 72.4Ash (g/kg) 7.7 7.6Calcium (g/kg) 1.52 1.55Phosphorus (g/kg) 0.53 0.55Notes: DGNC = de-oiled groundnut cake. Source: Nath et al., 1989.TABLE 17Effect of <strong>feed</strong>ing water-w<strong>as</strong>hed need seed kernel cake(WWNSKC) on dry matter intake, digestibility of nutrients<strong>and</strong> nitrogen balanceParameterTreatmentsDGNC WWNSKCDM intake (kg/day) 9.07 8.74DM intake <strong>as</strong> % of body weight 2.56 2.61DigestibilityDry matter 0.55 0.55Crude protein 0.67 0.67Organic matter 0.58 0.58Ether extract 0.66 0.67Crude fibre 0.43 0.48Nitrogen-free extract 0.62 0.59Total carbohydrate 0.56 0.55Nitrogen intake (g/day) 244.0 245.0Nitrogen excretion (g/day)In urine 101.67 a 75.0 bIn faeces 78.75 80.06In milk 26.98 31.21Nitrogen balance (g/day) 36.6 a 57.9 bNotes: DGNC = de-oiled groundnut cake. a,b = means in a row withdifferent suffixes are significantly different (P

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