Effect of Addition Molasses on theDegradability Kinetics, Net Energy for Lactation, In Vitro Dry Matter Digestibility andMetabolizable Energy of Potato Plant Silage in Ruminant Animals

Abstract

The purpose of this research is to use green potatoes for animal feed, Which is considered<br><br>as a waste at the farm level.This study was carried out to determine the chemical composition and estimation of effectsfour levels (0, 2, 4 and 6%) of Molasses on potato silage Males (PSM) degradability werestudied by In Vitro gas producing techniques. Fermentation of PSM samples were carried<br><br>out with rumen fluid obtained from three mature canulated steers (BW=550). The amount<br><br>of gas production for PSM samples at 2, 4, 6, 8, 16, 24, 48, 72 and 96 hours were<br><br>measured. The results showed that the DM, Ash, crude protein (CP), natural detergent<br><br>fiber (NDF) and Non fiber carbohydrate (NFC) were 27, 3.5, 10.2, 35 and 48.8 percent,<br><br>respectively. Calculated amounts of In Vitro dry matter digestibility (DMD4 (M6%)), organic<br><br>matter digestibility (OMDM6%), metabolizable energy (MEC), short chain fatty acid (SCFAM6%) and net energy for lactation (NEl (M6%)) contents of PSM were 892.1a (%),<br><br>65a g/kg DM, 11.1a MJ/kg DM, 1.1a mmol and 6.9a MJ/kg DM respectively. The gas<br><br>production from soluble fraction (aM6%), and from insoluble fraction (bM6%), rate<br><br>constant of gas production during incubation (CM6%) and the potential gas production (a+<br><br>bM6%) contents of potato plant silage were 15.5a (ml/200mg DM), 60.6c (ml/200mg DM),<br><br>0.03b (ml/h) and 76.1b (ml/200mg DM), while for level control were 10.6d (ml/200mg DM),<br><br>47.3c (ml/200 mg DM), 0.04b (ml/h) and 57.9d (ml/200 mg DM). This investigation<br><br>demonstrated that the PSM, have the potential to enhance ruminal fermentation efficiency,<br><br>milk production efficiency in dairy cattle and a promising methane mitigating agent.