【摘要】 本文就不同饲养水平对苏内一代育肥猪肥育性能的影响进行了试验研究,测定结果表明; 苏内一代育肥猪在高水平饲养条件下,经122天试验其平均体重达108.3公斤;净增重83.05公斤,平均日增重680.7克,分别较中、低水平组高18.4％和17.4％。猪的胴体品质性状指标(如屠宰率、胴体长、腹脂量等)也均高于中、低水平组。更多还原

【Abstract】 The different feeding level greaty effects on fattening property of hydrid F1( Soviet-white× Neijiang swine). On this Condition: dose of grain feed was Confined and dose of roughage-16.8%、 21.7%、 27.8%, the body weight at 7 mouths achieves over 90 kg. The high level group 108 . 3kg. The average diurnal increased weight-680 . 7g . The high level group is 18.4% anb 17.4% higher than that of the meddle and lows groups. The feed expenditure of 1 kg increased weight: the high level group-3. 23kg. It is 13.3% lower than that of the middle group,4.5% higher than that of the lows group. In the high level group carsass quality of the swine was improved.更多还原