Effect of Addition Molasses on the Degradability Kinetics, Net Energy for Lactation, In Vitro Dry Matter Digestibility and Metabolizable Energy of Potato Plant Silage in Ruminant Animals
Hossein Rast Poor, Alireza Vakili, Abbas-Ali Naserian
Annual Research & Review in Biology · pp. 4389–4399 · Published 13 Aug 2014
10.9734/ARRB/2014/11906Abstract
The purpose of this research is to use green potatoes for animal feed, Which is considered as a waste at the farm level. This study was carried out to determine the chemical composition and estimation of effects four levels (0, 2, 4 and 6%) of Molasses on potato silage Males (PSM) degradability were studied by In Vitro gas producing techniques. Fermentation of PSM samples were carried out with rumen fluid obtained from three mature canulated steers (BW=550). The amount of gas production for PSM samples at 2, 4, 6, 8, 16, 24, 48, 72 and 96 hours were measured. The results showed that the DM, Ash, crude protein (CP), natural detergent fiber (NDF) and Non fiber carbohydrate (NFC) were 27, 3.5, 10.2, 35 and 48.8 percent, respectively. Calculated amounts of In Vitro dry matter digestibility (DMD4 (M6%)), organic matter digestibility (OMDM6%), metabolizable energy (MEC), short chain fatty acid (SCFAM6%) and net energy for lactation (NEl (M6%)) contents of PSM were 892.1a (%), 65a g/kg DM, 11.1a MJ/kg DM, 1.1a mmol and 6.9a MJ/kg DM respectively. The gas production from soluble fraction (aM6%), and from insoluble fraction (bM6%), rate constant of gas production during incubation (CM6%) and the potential gas production (a+ bM6%) contents of potato plant silage were 15.5a (ml/200mg DM), 60.6c (ml/200mg DM), 0.03b (ml/h) and 76.1b (ml/200mg DM), while for level control were 10.6d (ml/200mg DM), 47.3c (ml/200 mg DM), 0.04b (ml/h) and 57.9d (ml/200 mg DM). This investigation demonstrated that the PSM, have the potential to enhance ruminal fermentation efficiency, milk production efficiency in dairy cattle and a promising methane mitigating agent.
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