Toson Enas, Abd El Latif Maha, Mohamed Abdelhameed, Gazwi Hanaa S S, Saleh Mohamed, Kokoszynski Dariusz, Elnesr Shaaban S, Hozzein Wael N, Wadaan Mohammed A M, Elwan Hamada
Animal and Poultry Production Department, Faculty of Agriculture, Minia University, 61519 EL-Minya, Egypt.
Department of Agricultural Chemistry, Faculty of Agriculture, Minia University, 61519 El-Minia, Egypt.
Animal. 2023 Jan;17(1):100696. doi: 10.1016/j.animal.2022.100696. Epub 2022 Dec 14.
Some studies have suggested that dietary medicinal plants or herbs may have a variety of biological functions such as anti-inflammatory, antiallergic, antifungal, antioxidative stress, and anticarcinogenic activities. The present study was undertaken to assess the incorporation of the extract of licorice supplementation on the growth performance, carcass yield, blood indices, and antioxidative capacity in broilers. Three hundred twenty unsexed one-day-old Ross 308 broiler chicks were allocated randomly into four groups. Chicks in each group were randomly subdivided into eight replicates of ten chicks. The first group received a basal diet and was considered a control. The respective groups received a basal diet supplemented with 1, 2, and 3 g licorice extract/kg diet. The obtained results indicated that supplementation of licorice extract to broiler chicks resulted in heavier BW and weight gain and a better feed conversion ratio during the experimental periods compared with the control group. However, feed consumption increased during the entire growing period. Supplementing the broiler's diet with licorice extract led to a higher value of erythrocytes, leukocytes, haemoglobin, plasma total protein, albumin, and antioxidant concentration and a low value in plasma cholesterol, triglycerides, uric acid, urea, and total cholesterol. It could be concluded that the dietary addition of licorice extracts 2 and 3 g licorice extract/kg diet improved broiler chicks' growth performance and physiological status.
一些研究表明，食用药用植物或草药可能具有多种生物学功能，如抗炎、抗过敏、抗真菌、抗氧化应激和抗癌活性。本研究旨在评估添加甘草提取物对肉鸡生长性能、胴体产量、血液指标和抗氧化能力的影响。320只一日龄未分性别的罗斯308肉鸡随机分为四组。每组雏鸡随机再分为8个重复，每个重复10只雏鸡。第一组接受基础日粮，作为对照组。其余各组分别接受添加1、2和3克甘草提取物/千克日粮的基础日粮。结果表明，与对照组相比，在试验期内，给肉鸡雏鸡添加甘草提取物可使其体重和增重更重，饲料转化率更高。然而，在整个生长期内采食量增加。在肉鸡日粮中添加甘草提取物可使红细胞、白细胞、血红蛋白、血浆总蛋白、白蛋白和抗氧化剂浓度值更高，而血浆胆固醇、甘油三酯、尿酸、尿素和总胆固醇值更低。可以得出结论，日粮中添加2克和3克甘草提取物/千克日粮可改善肉鸡雏鸡的生长性能和生理状态。
