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Effects of Whole Crop Corn Ensiled With Cage Layer Manure on Nutritional Quality and Microbial Protein Synthesis in Sheep

  • Kim, S.C. ;
  • Kim, J.H. ;
  • Kim, C.H. ;
  • Lee, J.C. ;
  • Ko, Y.D.
  • Received : 2000.07.21
  • Accepted : 2000.08.23
  • Published : 2000.11.01

Abstract

An experiment was conducted to study the nutritional quality of whole crop corn silage ensiled with cage layer manure in sheep. Treatments were designed as a $3{\times}3$ Latin square with 16-day periods. Sheep were allotted in one of three diet-treatments, which were whole crop corn silage (CS), whole crop corn+30% cage layer manure (CLM) silage (based on DM; MS) and rice straw+concentrate (SC) mixed at 8:2 ratio (on DM basis). Silage ensiled with CLM significantly increased (p<0.05) digestibilities of crude protein, NDF and ADF, TDN over the other treatments. Ruminal pH in sheep fed SC was significantly (p<0.05) higher than that of the other diets at 0.5, 1, 2, 4 and 8 h after feeding. Ruminal ammonia nitrogen concentration of the MS treatment was significantly (p<0.05) higher than that of the other treatments at 0, 1, 2 h after feeding. The MS treatment highly increased (p<0.05) feed intake, digestibility of organic matter and crude protein, nitrogen intake and retained nitrogen. The MS treatment highly increased (p<0.05) purine derivative (PD) excretion leading to higher microbial protein synthesis.

Keywords

Corn Manure Silage;Cage Layer Manure;Feed Intake;Microbial Protein Synthesis

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  1. Feeding value of urea molasses-treated wheat straw ensiled with fresh cattle manure for growing crossbred cattle calves vol.43, pp.3, 2011, https://doi.org/10.1007/s11250-010-9745-5
  2. Nutrients intake, digestibility, nitrogen balance and growth performance of sheep fed different silages with or without concentrate vol.43, pp.4, 2011, https://doi.org/10.1007/s11250-010-9765-1