富含乳酸杆菌的莫尼奥虫幼虫对肉鸡生产性能、消化率、免疫力和经济性的影响

IF 2.2 3区 农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Pervez Ali, Sarzamin Khan, Hanan Al-Khalaifah, Rafiullah, Rifat Ullah Khan, Shabana Naz, Ibrahim A Alhidary, Ala Abudabos
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引用次数: 0

摘要

由于对抗菌素耐药性和食品安全的日益关注,在家禽生产中寻找安全有效的抗生素替代品的工作已经加强。从有益微生物中提取的后生物制剂已成为提高肉鸡健康和生产性能的有希望的候选者。本研究评估了基于鼠蚤的后生制剂对肉鸡生长性能、营养物质消化率、免疫力、肠道健康和经济活力的影响。在麦麸中与嗜酸乳杆菌(3 × 10⁹CFU/mL)一起培养Z. morio幼虫,以产生后生菌。试验选用350只罗斯308肉鸡,随机分为5组,分别为对照组和4个添加0.2%、0.4%、0.6%和0.8%莫里兹菌基后生物制剂的处理组。与对照组相比,处理组的体重增加、营养物质消化率和表观代谢能均有显著改善。嗜酸乳杆菌的微生物数量显著增加(p
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Lactobacillus-Enriched Zophobas morio Larvae Impact Performance, Digestibility, Immunity and Economics in Broilers.

The search for safe and effective alternatives to antibiotics in poultry production has intensified due to growing concerns over antimicrobial resistance and food safety. Postbiotics, derived from beneficial microorganisms, have emerged as promising candidates to enhance broiler health and performance. We evaluated the effects of Zophobas morio-based postbiotics on broiler chickens' growth performance, nutrient digestibility, immunity, intestinal health, and economic viability. Z. morio larvae were cultured with Lactobacillus acidophilus (3 × 10⁹ CFU/mL) in wheat bran to produce postbiotics. We used a total of 350 Ross 308 broiler chicks were allocated into five groups, with one control group and four treatment groups supplemented with 0.2%, 0.4%, 0.6% or 0.8% Z. morio-based postbiotics. Treated groups exhibited significantly improved weight gain, nutrient digestibility, and apparent metabolisable energy compared to the control group. The microbial count of L. acidophilus increased significantly (p < 0.05), while pathogenic bacteria such as Salmonella and E. coli decreased, particularly in the 0.8% postbiotic group. Intestinal morphology, including villus length and width and crypt depth, improved in postbiotic-supplemented groups. Additionally, carcass yield and economic returns were higher in the 0.8% treatment group. Immune responses were enhanced, with higher antibody titers against Newcastle disease (ND) at 0.6% and 0.8% inclusion levels. The study concluded that Z. morio-based postbiotics at the level of 0.8% positively influenced broiler growth performance by enhancing nutrient absorption, boosting immunity, and reducing pathogenic bacteria.

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来源期刊
Journal of Animal Physiology and Animal Nutrition
Journal of Animal Physiology and Animal Nutrition 农林科学-奶制品与动物科学
CiteScore
6.30
自引率
0.00%
发文量
124
审稿时长
2 months
期刊介绍: As an international forum for hypothesis-driven scientific research, the Journal of Animal Physiology and Animal Nutrition publishes original papers in the fields of animal physiology, biochemistry and physiology of nutrition, animal nutrition, feed technology and preservation (only when related to animal nutrition). Well-conducted scientific work that meets the technical and ethical standards is considered only on the basis of scientific rigor. Research on farm and companion animals is preferred. Comparative work on exotic species is welcome too. Pharmacological or toxicological experiments with a direct reference to nutrition are also considered. Manuscripts on fish and other aquatic non-mammals with topics on growth or nutrition will not be accepted. Manuscripts may be rejected on the grounds that the subject is too specialized or that the contribution they make to animal physiology and nutrition is insufficient. In addition, reviews on topics of current interest within the scope of the journal are welcome. Authors are advised to send an outline to the Editorial Office for approval prior to submission.
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