Effects of organic acid and garlic powder supplementations in the diet on growth and intestinal microflora of the exotic Tam Hoang chickens

Q3 Veterinary Veterinary Integrative Sciences Pub Date : 2023-02-20 DOI:10.12982/vis.2023.039
N. T. Thuy, Le Thanh Phuong, C. Nguyen
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Abstract

A study was carried out to evaluate the effect of diet’s organic acid (OG) and garlic powder (GP) on the growth, carcass quality, and intestinal microflora of Tam Hoang chickens. The experiment consisted of three treatments and four replications in a completely randomized design; each replication was a pen (20 chickens/pen), and males and females were raised separately. The treatmentswere:1/Cont: Basal diet (BD) no supplementation; 2/OG: BD + 1g Poulacid /kg feed; 3/GP: BD + 1 g garlic powder/kg feed. Results showed that chickens fed Cont (1451 g /head) had lower final live weight than those having OG (1568 g/head) and GP (1521 g/head/day). So, the average daily gain (ADG) of chickens in Cont (16.8 g/head/day) and GP (17.7 g/head/day) were lower than in OG (18.2 g/head/day). Average daily feed intake (ADFI) was similar in all treatments. Therefore, the feed conversion ratio (FCR) of chickens fed OG (3.04 kg feed/kg gain) was better than that in Cont (3.32 kg feed/kg gain). The density of Salmonella bacteria was not detectable in chicken feces at the 4th week age but became positive in Cont and GP treatments at the 10th week age. Supplementation of OG and GP reduced E. coli and Clostridium perfringens in the feces compared to control chickens at the 4th and 10th week age. In conclusion, adding OG or GP at the same dose (1g/kg feed) in Tam Hoang chicken diets improved ADG, FCR, and reduced E. coli and Clostridium perfringens densities in the feces compared to control chickens
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日粮中添加有机酸和大蒜粉对外来Tam Hoang鸡生长和肠道菌群的影响
本试验旨在研究饲粮中添加有机酸(OG)和大蒜粉(GP)对谭黄鸡生长、胴体品质和肠道菌群的影响。试验采用完全随机设计,包括3个处理和4个重复;每个重复一圈(20只鸡/圈),公母分开饲养。治疗方法为:1/对照组:基础日粮(BD)不添加;2/OG: BD + 1g Poulacid /kg饲料;3/GP: BD +大蒜粉1 g /kg饲料。结果表明:对照组(1451 g/头)的最终活重低于对照组(1568 g/头)和对照组(1521 g/头/天)。因此,对照组(16.8 g/头/天)和对照组(17.7 g/头/天)鸡的平均日增重低于对照组(18.2 g/头/天)。各处理平均日采食量(ADFI)相似。由此可见,OG组的饲料系数(3.04 kg饲料/kg增重)优于对照组(3.32 kg饲料/kg增重)。4周龄时,鸡粪便中未检测到沙门氏菌密度,10周龄时,对照组和GP组粪便中沙门氏菌密度呈阳性。与对照组相比,在4周龄和10周龄时,添加OG和GP可减少粪便中的大肠杆菌和产气荚膜梭菌。综上所述,与对照鸡相比,在谭黄鸡饲粮中添加相同剂量的OG或GP (1g/kg饲料)可提高其平均日增重、增重比,降低粪便中大肠杆菌和产气荚膜梭菌的密度
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来源期刊
Veterinary Integrative Sciences
Veterinary Integrative Sciences Veterinary-Veterinary (all)
CiteScore
1.20
自引率
0.00%
发文量
9
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