Effect of Dietary Vitamin E and Selenium Supplementation on Physiological Responses and Reproductive Performance in Holstein Friesian Bulls during Humid Hot Summer

IF 3.8 3区农林科学 Q1 VETERINARY SCIENCES

Pakistan Veterinary Journal Pub Date : 2019-10-01 DOI:10.29261/pakvetj/2019.053

Mahboob Ahmed Butt

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引用次数: 7

Abstract

Received: Revised: Accepted: Published online: February 19, 2019 March 15, 2019 March 20, 2019 April 06, 2019 The objective of this study was to assess the effect of dietary vitamin E (Vit. E) and Selenium (Se) supplementation on physiological and reproductive performance of bulls during humid hot summer in Pakistan. Eighteen Holstein Friesian bulls balanced by age and weight were divided into three treatment groups: 1) CTL, basal diet without Se and Vit. E supplementation; 2) SeS, basal diet supplemented with 3 g Selemax® (Biorigin, USA); 3) ESeS, basal diet with 3 g Selemax® and Vit. E @ 6000 IU/day). Basal diet consisted of 50% green fodder, 25% wheat straw and 25% concentrate on dry matter basis. Diets were offered for 13 weeks from July 2016 to October 2016 having temperature-humidity index ranging from 83 to 87. Data obtained were subjected to repeated measures ANOVA. Supplementation of Vit. E and Se did not affect dry matter intake, water intake, respiration rate, rectal temperature, and pulse rate. The ESeS treatment had higher sperm motility% compared to CTL and SeS (P<0.05). The amplitude of lateral head displacement (ALH) was higher in SeS and ESeS compared to CTL (P<0.05). Straightness was higher in SeS group compared to CTL and ESeS. However, Vit. E and Se had no effect on other semen traits including semen volume, concentration, progressive motility, DNA integrity, plasma membrane integrity, and live to dead ratio. Blood testosterone concentration was significantly higher in SeS and ESeS groups compared to CTL. Blood glucose and blood urea nitrogen were similar among the treatments. Current results indicated that supplementation of Vit. E and Se improved only sperm motility, ALH, straightness and testosterone level during humid hot summer in Holstein Friesian bulls. ©2019 PVJ. All rights reserved

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饲粮中添加维生素E和硒对湿热夏季荷斯坦弗里阉牛生理反应和繁殖性能的影响

接收日期：修订日期：接受日期：在线发布日期：2019年2月19日2019年3月15日2019年4月20日本研究的目的是评估在巴基斯坦湿热的夏季，补充膳食维生素E（Vit.E）和硒（Se）对公牛生理和繁殖性能的影响。18头荷斯坦-弗里斯公牛按年龄和体重平衡，分为三组：1）CTL、不含Se和Vit的基础日粮。E补充；2） SeS，基础日粮补充3 g Selemax®（Biorigin，美国）；3） ESeS，含3 g Selemax®和Vit的基础饮食。E@6000 IU/天）。基础日粮由50%的绿色饲料、25%的小麦秸秆和25%的干物质浓缩物组成。从2016年7月到2016年10月，提供为期13周的饮食，温湿度指数在83到87之间。对获得的数据进行重复测量ANOVA。补充维生素。E和Se不影响干物质摄入量、水分摄入量、呼吸频率、直肠温度和脉搏率。与CTL和SeS相比，ESeS处理的精子活力%更高（P＜0.05）。SeS和ESeS组的头部侧向位移幅度（ALH）高于CTL（P＜0.01）。然而，Vit。E和Se对其他精液性状没有影响，包括精液体积、浓度、进行性运动、DNA完整性、质膜完整性和活死亡率。SeS和ESeS组的血睾酮浓度明显高于CTL。血糖和血尿素氮在不同处理之间是相似的。目前的结果表明，补充维生素。在湿热的夏季，E和Se只改善了荷斯坦-弗里斯公牛的精子活力、ALH、平直度和睾酮水平。©2019 PVJ。保留所有权利

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来源期刊

Pakistan Veterinary Journal 兽医-兽医学

CiteScore

4.20

自引率

13.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The Pakistan Veterinary Journal (Pak Vet J), a quarterly publication, is being published regularly since 1981 by the Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan. It publishes original research manuscripts and review articles on health and diseases of animals including its various aspects like pathology, microbiology, pharmacology, parasitology and its treatment. The “Pak Vet J” (www.pvj.com.pk) is included in Science Citation Index Expended and has got 1.217 impact factor in JCR 2017. Among Veterinary Science Journals of the world (136), “Pak Vet J” has been i) ranked at 75th position and ii) placed Q2 in Quartile in Category. The journal is read, abstracted and indexed internationally.