Murawska Daria, Daszkiewicz Tomasz, Sobotka Wiesław, Gesek Michał, Witkowska Dorota, Matusevičius Paulius, Bakuła Tadeusz
Department of Commodity Science and Animal Improvement, University of Warmia and Mazury in Olsztyn, Oczapowski Street 5, 10-719 Olsztyn, Poland.
Department of Commodity Science and Animal Raw Material Processing, University of Warmia and Mazury in Olsztyn, Oczapowski Street 5, 10-719 Olsztyn, Poland.
Animals (Basel). 2021 Sep 17;11(9):2715. doi: 10.3390/ani11092715.
The aim of this study was to compare selected growth performance parameters and slaughter characteristics in broiler chickens fed diets with a different content of full-fat L. (HI) larvae meal. The experiment was performed on 384 male broiler chickens (Ross 308) reared to 42 d of age and assigned to four dietary treatments (HI0-control diet and diets where soybean meal protein (SBM) was replaced with HI protein in 50%, 75% and 100%, respectively). The final body weights of chickens were as follows: 3010.0 g (HI0), 2650.0 g (HI50), 2590.0 g (HI75) and 2375.0 g (H100, < 0.05). The carcasses of chickens from the experimental groups contained less meat and more abdominal fat. The feed conversion ratio for the entire experimental period was similar in groups HI0, HI50 and HI75 and more desirable than in group HI100 ( < 0.05). The meat of broiler chickens from groups HI75 and HI100 was characterized by significantly ( < 0.05) lower juiciness and taste intensity than the meat of birds from groups HI0 and HI50. The replacement of SBM protein with full-fat HI larvae meal in broiler diets exceeding 50% significantly compromised the growth performance of birds and the carcass and meat quality.
本研究的目的是比较饲喂不同含量全脂黄粉虫(HI)幼虫粉日粮的肉鸡的选定生长性能参数和屠宰特性。实验选用384只雄性肉鸡(罗斯308),饲养至42日龄,并分为四种日粮处理组(HI0-对照日粮,以及分别用50%、75%和100%的HI蛋白替代豆粕蛋白(SBM)的日粮)。鸡的最终体重如下:3010.0克(HI0)、2650.0克(HI50)、2590.0克(HI75)和2375.0克(H100,P<0.05)。实验组鸡的胴体含肉量较少,腹部脂肪较多。HI0、HI50和HI75组在整个实验期的饲料转化率相似,且优于HI100组(P<0.05)。HI75和HI100组肉鸡的肉与HI0和HI50组肉鸡的肉相比,多汁性和风味强度显著降低(P<0.05)。在肉鸡日粮中用全脂HI幼虫粉替代豆粕蛋白超过50%会显著影响鸡的生长性能以及胴体和肉质。