Digestibility of nutrients was not affected by pelleting of the feeds whereas, increasing the level of inclusion of RGS in feeds from 35% to 50% decreased (p<0.05) the digestibility of DM and crude protein (CP) resulting in lower (p<0.001) metabolizable energy (ME) content (MJ/kg DM) in feeds with 50% RGS (7.93 vs 8.75).
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Feed conversion efficiency (dry matter (DM) intake: weight gain) was comparable among all the treatment groups. Average daily gain (ADG, g/d) also increased significantly (p<0.001) from 48.79 in kids fed mash diet to 71.29 in those fed with pelleted diets. Pelleting of complete diets significantly (p<0.001) increased the voluntary feed intake (671.45 vs 426.28 g/d) at both levels of RGS in the feeds. Thirty two kids of 4 to 5 months age were divided into four groups of eight each and were fed for 150 d with four experimental diets (T1: mash with 35% RGS, T2: mash with 50% RGS, T3: pellets with 35% RGS and T4: pellets with 50% RGS). Half the quantity of each complete mash feed was then converted into pellets through expander extruder processing. Two iso-nitrogenous complete diets were prepared by incorporating RGS at 35% and 50% levels. Growth and Nutrient Utilization in Kids Fed Expander-extruded Complete Feed Pellets Containing Red Gram (Cajanus cajan) Straw.Ī growth and digestibility study was conducted using Osmanabadi goat male kids by feeding complete diets in the form of mash or expander extruded pellets containing different levels of red gram (Cajanus cajan) straw (RGS). The sub-cooling of the expanded liquid provides for the flow of liquid refrigerant into the evaporator for liquid over- feeding the evaporator and thereby increasing the efficiency of the evaporation cycle. Hot, high-pressure liquid refrigerant from the condenser passes through one or more lengths of capillary tubing substantially immersed in a pool liquid refrigerant in the accumulator- expander-heat exchanger for simultaneously sub-cooling and expanding the liquid refrigerant while vaporizing liquid refrigerant from the pool for the return thereof to the compressor as saturated vapor. The sub-cooling of the expanded liquid provides for the flow of liquid refrigerant into the evaporator for liquid over- feeding the evaporator and thereby increasing the efficiency of the evaporation cycle.Ī refrigeration system is described having a vapor compression cycle utilizing a liquid over- feeding operation with an integrated accumulator- expander-heat exchanger.
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Liquid over- feeding refrigeration system and method with integrated accumulator- expander-heat exchangerĪ refrigeration system having a vapor compression cycle utilizing a liquid over- feeding operation with an integrated accumulator- expander-heat exchanger.