中草药添加剂对生长育肥猪胴体特性和肉质的影响

 选用20 kg左右的“杜长大”三元杂交猪160头,随机分成对照组、中药组、中药+西药组和西药组,饲养试验后进行屠宰试验和肉品质测定。结果表明:添加中草药添加剂能明显改善生长育肥猪的胴体品质和肉品质,与西药组和对照组相比,中药组猪的胴体瘦肉率分别提高5.79%（P＜0.05）和6.51%（P＜0.05）,脂肪率分别降低31.41%（P＜0.05）和33.31%（P＜0.05）,板油重（腹脂）分别减少22.16%（P＜0.05）和38.87%（P＜0.05）,眼肌面积分别增加10.92%（P＜0.05）和11.92%（P＜0.05）,平均背膘厚分别下降28.21%（P＜0.05）和29.34%（P＜0.05）;失水率分别降低5.03%（P＜0.05）和9.69%（P＜0.05）,贮存损失分别下降20.35%（P＜0.05）和20.00%（P＜0.05）,熟肉率分别提高6.03%和4.5%( P>0.05);肌间脂肪含量分别提高52.77%（P＜0.01）和28.90%（P＜0.01）;肉品风味改善,具有肉质细嫩、肉味郁香、汤味鲜浓的特点。

Effect of Chinese Herb Feed Additives on the Carcass Characteristics and Meat Features in Growing and Finishing Pigs

160 growing and finishing pigs (Duroc×Landrace×Yorkshire,20 kg initially) were assigned into control and treatment group set with four replicate pens per treatment by weight and sex. Fed basic diet supplemented with Chinese herb feed additives or antibiotic/chemical compound drug. The carcass composition analysis indicated that, comparing with to Chinese herb feed additives +antibiotics group and control group (no additive),Chinese herb feed additives increased the lean meat percentage of treatment pigs by 5.79% and 6.51% respectively(P＜0.05), decreased the percentage of fat of carcass by 31.41% and 33.31% respectively (P＜0.05), increased area of longissimus dorsi by 10.92% and 11.92% respectively (P＜0.05). decreased the belly fat by 22.16% and 38.87% respectively（P＜0.05） and decreased the mean backfat depth by 28.21% and 29.34% respectively（P＜0.05）.It also found that the water lose ratio decreased by 5.03% and 9.69% respectively（P＜0.05） and the ratio of stored water lose decreased by 20.35% and 20.00% respectively(P＜0.05), The content of intramusclar fat increased by 52.77% and 28.90%. respectively (P＜0.01).