Effects of particle size and dietary inclusion rate of barley hulls on the performance, nutrients digestibility and production cost of broiler
This experiment was carried out using 200 Ross 308 broiler chickens in a completely randomized design with 5 treatments and 4 replicates. The true metabolisable energy of the barley hulls were determined using cecectomized roosters.The dry matter, true metabolisable energy, ash, ether extracts, crude protein, crude fiber, NDF, ADF, Ca and total P content of barely hulls were: 92%, 978 kcal/kg, 3.53%, 4.26%, 12.26%, 12.6%, 52.1%, 23.5%, 0.9% and 0.6%, respectively. The experimental diets were consisted of a control hulls free diet and four diets containing 0.75 or 1.5 percent barley hulls with particle sizes of less than 1 mm or between 1-2 mm. The barley hulls improved weight gain and feed conversion ratio and particularly the diet contained 1.5 percent barley hulls with particle size of 1-2 mm was more effective in this respect (P
Journal of Animal Productions, Volume:18 Issue:3, 2016
563 - 573
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