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Influence of dietary organic trace minerals on enteric methane emissions and rumen microbiota of heat-stressed dairy steers.

التفاصيل البيبلوغرافية
العنوان: Influence of dietary organic trace minerals on enteric methane emissions and rumen microbiota of heat-stressed dairy steers.
المؤلفون: Son AR; Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea., Islam M; Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea.; Department of Microbiology and Parasitology, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh., Kim SH; Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea., Lee SS; Institute of Agriculture and Life Science and University-Centered Laboratory, Gyeongsang National University, Jinju 52828, Korea., Lee SS; Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea.
المصدر: Journal of animal science and technology [J Anim Sci Technol] 2023 Jan; Vol. 65 (1), pp. 132-148. Date of Electronic Publication: 2023 Jan 31.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Korean Society of Animal Sciences and Technology Country of Publication: Korea (South) NLM ID: 101661694 Publication Model: Print-Electronic Cited Medium: Print ISSN: 2055-0391 (Print) Linking ISSN: 20550391 NLM ISO Abbreviation: J Anim Sci Technol Subsets: PubMed not MEDLINE
أسماء مطبوعة: Publication: 2019- : Seoul, Korea : Korean Society of Animal Sciences and Technology
Original Publication: London : BioMed Central
مستخلص: Ruminants are the main contributors to methane (CH 4 ), a greenhouse gas emitted by livestock, which leads to global warming. In addition, animals experience heat stress (HS) when exposed to high ambient temperatures. Organic trace minerals are commonly used to prevent the adverse effects of HS in ruminants; however, little is known about the role of these minerals in reducing enteric methane emissions. Hence, this study aimed to investigate the influence of dietary organic trace minerals on rumen fermentation characteristics, enteric methane emissions, and the composition of rumen bacteria and methanogens in heat-stressed dairy steers. Holstein (n=3) and Jersey (n=3) steers were kept separately within a 3×3 Latin square design, and the animals were exposed to HS conditions (Temperature-Humidity Index [THI], 82.79 ± 1.10). For each experiment, the treatments included a Control (Con) consisting of only basal total mixed rations (TMR), National Research Council (NRC) recommended mineral supplementation group (NM; TMR + [Se 0.1 ppm + Zn 30 ppm + Cu 10 ppm]/kg dry matter), and higher concentration of mineral supplementation group (HM; basal TMR + [Se 3.5 ppm + Zn 350 ppm + Cu 28 ppm]/kg dry matter). Higher concentrations of trace mineral supplementation had no influence on methane emissions and rumen bacterial and methanogen communities regardless of breed ( p > 0.05). Holstein steers had higher ruminal pH and lower total volatile fatty acid (VFA) concentrations than Jersey steers ( p < 0.05). Methane production (g/d) and yield (g/kg dry matter intake) were higher in Jersey steers than in Holstein steers ( p < 0.05). The relative abundances of Methanosarcina and Methanobrevibacter olleyae were significantly higher in Holstein steers than in Jersey steers ( p < 0.05). Overall, dietary organic trace minerals have no influence on enteric methane emissions in heat-stressed dairy steers; however, breed can influence it through selective alteration of the rumen methanogen community.
Competing Interests: No potential conflict of interest relevant to this article was reported.
(© Copyright 2023 Korean Society of Animal Science and Technology.)
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فهرسة مساهمة: Keywords: Dietary minerals; Enteric methane; Heat stress; Holstein and Jersey steers; Rumen methanogens
تواريخ الأحداث: Date Created: 20230424 Latest Revision: 20230426
رمز التحديث: 20230428
مُعرف محوري في PubMed: PMC10119474
DOI: 10.5187/jast.2022.e100
PMID: 37093952
قاعدة البيانات: MEDLINE
الوصف
تدمد:2055-0391
DOI:10.5187/jast.2022.e100