Effect of Molasses Addition Level to the Mixture of Calf Starter and Corn Fodder on Pellet Quality, Rumen Development and Performance of Holstein-Friesian Calves in Indonesia
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Effect of molasses addition to complete calf starter(CCS) and the following pellet processing was evaluated with 12 Holstein- Friesian(HF) calves(7-14 d old with 42±5.5kg average BW), with 6 calves(replicate) per treatment. The CCS was formulated with 65% concentrate calf starter and 35% local corn fodder. On the CCS, molasses was added either 5%(M5) or 10%(M10), then the mixture was pelleted and fed to the calves for 7 weeks. Molasses addition, regardless of addition level, improved (p<0.05) both the durability and hardness of the pellet which contains 35% of high fibrous local corn fodder. Upon feeding to calves, the feed intake and daily gain were numerically higher with 5% molasses addition compared to 10% molasses addition. Blood VFA level was remarkably higher(p<0.01) in calves fed M10 than calves fed M5. There was no difference(p>0.05) in blood glucose level between M5 and M10. Length and number of papillae were not different(p>0.05) by the addition levels of molasses. However, there was one exception in number of papillae at caudo-dorsal sac which were higher(p<0.05) number in M5 than M10 calves. Considering the quality of CCS pellet, calf performance and rumen development, there was no additional benefit of 10% molasses addition compared to 5%. From the results of this study, 5% molasses addition could be recommended for local farmer when they utilize local corn fodder to make CCS for HF calves in Indonesia.
Abstract
Effect of molasses addition to complete calf starter(CCS) and the following pellet processing was evaluated with 12 Holstein- Friesian(HF) calves(7-14 d old with 42±5.5kg average BW), with 6 calves(replicate) per treatment. The CCS was formulated with 65% concentrate calf starter and 35% local corn fodder. On the CCS, molasses was added either 5%(M5) or 10%(M10), then the mixture was pelleted and fed to the calves for 7 weeks. Molasses addition, regardless of addition level, improved (p<0.05) both the durability and hardness of the pellet which contains 35% of high fibrous local corn fodder. Upon feeding to calves, the feed intake and daily gain were numerically higher with 5% molasses addition compared to 10% molasses addition. Blood VFA level was remarkably higher(p<0.01) in calves fed M10 than calves fed M5. There was no difference(p>0.05) in blood glucose level between M5 and M10. Length and number of papillae were not different(p>0.05) by the addition levels of molasses. However, there was one exception in number of papillae at caudo-dorsal sac which were higher(p<0.05) number in M5 than M10 calves. Considering the quality of CCS pellet, calf performance and rumen development, there was no additional benefit of 10% molasses addition compared to 5%. From the results of this study, 5% molasses addition could be recommended for local farmer when they utilize local corn fodder to make CCS for HF calves in Indonesia.
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