Semen Characteristics and Blood Metabolites of Hi-Plus Buck Rabbits Fed on Microalgae Nannochloropsis oculata Meal during the Summer Season

Q4 Veterinary

World''s Veterinary Journal Pub Date : 2022-12-25 DOI:10.54203/scil.2022.wvj55

A. El-Hawy, M. El-Bassiony, I. A. Abd El-Hamid, H. A. Shedeed, W. A. Fouda, Safaa Ali Mostafa Ali, R. A. Abd-Elazem, A. Morsy, K. Emam

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引用次数: 0

Abstract

Feeding tiny amounts of micro-algae meal to animals enhances animal physiology by improving immune response, disease resistance, and gut function, as well as enhancing anti-inflammatory and antibacterial protection, reproductive performance, feed conversion ratio, and weight gain. The purpose of this study was to identify the impact of dietary microalgae meal (Nannochloropsis oculata) on physical semen quality, serum biochemical parameters, and oxidative status of Hi-Plus buck rabbits for 12 weeks during the summer. A total of 45, Hi-Plus buck rabbits aged 20-24 weeks were divided into three equally comparable experimental groups. Bucks in the first, second, and third groups were daily supplemented in their diets with 0% (control), 0.50% (T1), and 1.0% (T2) microalgae meal, respectively. Semen and blood samples were collected to evaluate semen quality traits and some serum biochemical constituents, and oxidative status, as well as serum triiodothyronine (T3) and testosterone (Ts) hormones concentrations. The obtained data revealed that dietary supplementation of Nannochloropsis oculata meal significantly improved most physical semen characteristics, including ejaculate volume, progressive sperm motility, semen pH value, sperm cell concentration, total sperm output, live sperm, and semen quality factor. Blood serum glucose, total proteins, and their fractions increased significantly in T1 and T2, compared with the control group, while total serum cholesterol and hepatic enzymes concentrations recorded a significant decrease in bucks supplemented with T1 and T2, compared with the control group. The total antioxidant capacity of serum significantly increased in both two levels of microalgae, compared with the control group. Serum T3 concentration significantly increased in both levels of dietary microalgae compared with the control group. In conclusion, dietary supplementation with Nannochloropsis oculata meal (1.0%) was advised to improve semen quality, serum constituents, and antioxidative status without any adverse effects on the liver and kidney functions of rabbits.

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夏季用微藻-纳米氯球蛋白粉饲养的高强度Buck兔精液特性及血液代谢产物

向动物喂食少量微藻粉可以改善免疫反应、抗病性和肠道功能，并增强抗炎和抗菌保护、繁殖性能、饲料转化率和体重增加，从而增强动物生理机能。本研究的目的是确定夏季12周饮食微藻粉（Nannochloropsis oculata）对Hi-Plus buck兔精液物理质量、血清生化参数和氧化状态的影响。将45只20-24周龄的Hi-Plus公兔分为三个同等可比的实验组。第一、第二和第三组的雄鹿在其日粮中分别补充0%（对照）、0.50%（T1）和1.0%（T2）微藻粉。采集精液和血液样本，以评估精液质量特征、一些血清生化成分、氧化状态以及血清三碘甲状腺原氨酸（T3）和睾酮（Ts）激素浓度。所获得的数据显示，日粮中补充眼无氯虫粉显著改善了大多数精液生理特征，包括射精量、精子进行性运动、精液pH值、精子细胞浓度、精子总产量、活精子和精液质量因子。与对照组相比，T1和T2组的血糖、总蛋白及其组分显著增加，而补充T1和T2的雄鹿组的血清总胆固醇和肝酶浓度显著降低。与对照组相比，两种微藻水平的血清总抗氧化能力均显著提高。与对照组相比，两种水平的膳食微藻的血清T3浓度均显著升高。总之，建议日粮中添加1.0%的眼无氯虫粉可以改善精液质量、血清成分和抗氧化状态，而不会对兔的肝肾功能产生任何不利影响。

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来源期刊

World''s Veterinary Journal Veterinary-Veterinary (all)

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： The World''s Veterinary Journal (ISSN 2322-4568) is an international, peer reviewed open access journal aims to publish the high quality material from veterinary scientists'' studies. All accepted articles are published Quarterly in full text on the Internet. WVJ publishes the results of original scientific researches, reviews, case reports and short communications, in all fields of veterinary science. In details, topics are: Behavior Environment and welfare Animal reproduction and production Parasitology Endocrinology Microbiology Immunology Pathology Pharmacology Epidemiology Molecular biology Immunogenetics Surgery Virology Physiology Vaccination Gynecology Exotic animals Animal diseases Radiology Ophthalmology Dermatology Chronic disease Anatomy Non-surgical pathology issues of small to large animals Cardiology and oncology.