地顶孢霉培养物对北京鸭生长性能、屠宰性能、血常规及血清生化、抗氧化指标的影响

doi:10.16431/j.cnki.1671-7236.2025.01.019

摘要/Abstract

摘要： 【目的】本试验旨在研究地顶孢霉培养物对北京鸭生长性能、屠宰性能、血常规及血清生化、抗氧化指标的影响。【方法】选取216只1日龄健康雄性北京鸭(51.36 g±0.15 g),随机分成3组,每组8个重复,每重复12只鸭,分别饲喂在玉米-豆粕型基础饲粮中添加0(对照组)、0.1%、0.2%地顶孢霉培养物的饲粮,饲喂期42 d。统计试验鸭生长性能和屠宰性能,并采集全血和血清样品,测定血常规、血清生化生理和抗氧化指标。【结果】 ①饲粮中添加0.1%和0.2%地顶孢霉培养物对北京鸭生长性能均无显著影响(P＞0.05)。②0.1%地顶孢霉培养物组北京鸭胸肌率显著高于对照组和0.2%添加组(P＜0.05);0.2%地顶孢霉培养物组北京鸭肝脏指数显著低于对照组(P＜0.05)。③与对照组相比,0.2%地顶孢霉培养物组北京鸭血液中淋巴细胞(LYM)和中间细胞数量(MID)以及红细胞宽度标准差(RDW-SD)显著提高,红细胞(WBC)和粒细胞数量(GRA)显著降低(P＜0.05)。④与对照组相比,0.1%和0.2%地顶孢霉培养物组北京鸭血清葡萄糖含量显著降低(P＜0.05),0.1%地顶孢霉培养物组北京鸭血清中甘油三酯含量显著降低(P＜0.05)。⑤与对照组相比,0.1%和0.2%地顶孢霉培养物组42日龄北京鸭血清中总超氧化物歧化酶(T-SOD)、过氧化氢酶(CAT)和谷胱甘肽还原酶(GR)活性均显著提高(P＜0.05);与对照组和0.1%地顶孢霉培养物组相比,0.2%地顶孢霉培养物组42日龄北京鸭血清中谷胱甘肽过氧化物酶(GSH-Px)活性和总抗氧化能力(T-AOC)均显著提高(P＜0.05)。【结论】饲粮中添加0.1%和0.2%地顶孢霉培养物未能提高北京鸭生长性能和器官发育,但可显著提高北京鸭胸肌率、机体免疫和抗氧化能力,促进机体葡萄糖和脂肪代谢。

关键词: 地顶孢霉培养物; 北京鸭; 生长性能; 屠宰性能; 抗氧化能力

Abstract: 【Objective】 This experiment aimed to investigate the effects of Acremonium terricola culture (ATC) on the growth performance,slaughter performance,hematological parameters,serum biochemistry,and antioxidant capacity of Pekin ducks. 【Method】 A total of 216 one-day-old healthy male Pekin ducks (51.36 g±0.15 g) were randomly divided into three groups,each with eight replicates and twelve ducks per replicate.The ducks were fed a corn-soybean meal-based basal diet supplemented with 0 (control group),0.1% and 0.2% ATC.The feeding trial lasted for 42 days.Growth performance and slaughter performance were recorded,and whole blood and serum samples were collected to measure hematological parameters,serum biochemical indexes,and antioxidant indicators. 【Result】 ① There was no significant effect of dietary 0.1% and 0.2% ATC supplementation on the growth performance of Pekin ducks (P＞0.05).② The breast muscle yield of Pekin ducks in 0.1% ATC group was significantly higher than that in control and 0.2% addition groups (P＜0.05),and the liver index of Beijing ducks in 0.2% ATC group was significantly lower than that in control group (P＜0.05).③ Compared to control group,in 0.2% ATC group,lymphocyte (LYM) and monocyte (MID) counts,and red cell distribution width standard deviation (RDW-SD) of Pekin ducks were significantly increased,while white blood cell (WBC) and granulocyte (GRA) counts of Pekin ducks were significantly decreased (P＜0.05).④ Compared to control group,the serum glucose level of 0.1% and 0.2% ATC groups were significantly decreased,and serum triglyceride level of 0.1% ATC group were significantly decreased (P＜0.05).⑤ Compared to control group,the serum activities of T-SOD,CAT,and GR of 42-day-old Pekin ducks in 0.1% and 0.2% ATC groups were increased (P＜0.05).Additionally,compared to control and 0.1% ATC groups,the serum activities of GSH-Px and T-AOC of 42-day-old Pekin ducks in 0.2% ATC group were significantly increased (P＜0.05). 【Conclusion】 Dietary supplementation with 0.1% and 0.2% ATC did not improve the growth performance or organ development of Pekin ducks,but it significantly increased breast muscle percentage,enhanced immune and antioxidant capacities,and promoted glucose and lipid metabolism.

Key words: Acremonium terricola culture; Pekin ducks; growth performance; slaughter performance; antioxidant capacity

中图分类号:

S834

金银姬, 齐志国, 付瑶, 王岐蒙, 曹俊婷, 闻治国, 郭江鹏, 吴永保. 地顶孢霉培养物对北京鸭生长性能、屠宰性能、血常规及血清生化、抗氧化指标的影响[J]. 中国畜牧兽医, 2025, 52(1): 215-225.

JIN Yinji, QI Zhiguo, FU Yao, WANG Qimeng, CAO Junting, WEN Zhiguo, GUO Jiangpeng, WU Yongbao. Effects of Acremonium terricola Culture on Growth Performance, Slaughter Performance,Hematological Parameters,Serum Biochemical, and Antioxidant Indexes of Pekin Ducks[J]. China Animal Husbandry and Veterinary Medicine, 2025, 52(1): 215-225.

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