Association of Biological and Chemical Additives on Nutrient Composition, Total Losses, Microbiological and Fermentative Profile of Sugarcane Silage
محورهای موضوعی : Camelاچ.ام.سی. اراکی 1 , ای.آر. د اُلیویرا 2 , جی.آر. گندرا 3 , آر.اچ. تی.بی. د گواِس 4 , سی.اس. تکیا 5 , آ.جی. جکواَنا 6 , کا.ام.پی. د اُلیویرا 7 , دی.ان. وسکواِس 8 , ان.آر. برندااُ کنسلو 9 , تی.آ. دل واله 10 , ان. دوآن اُرباچ 11
1 - Department of Agricultural Science, Universidade Federal da Grande Dourados, Rodovia Dourados-Itahum, Dourados, Brazil
2 - Department of Agricultural Science, Universidade Federal da Grande Dourados, Rodovia Dourados-Itahum, Dourados, Brazil
3 - Department of Agricultural Science, Universidade Federal da Grande Dourados, Rodovia Dourados-Itahum, Dourados, Brazil
4 - Department of Agricultural Science, Universidade Federal da Grande Dourados, Rodovia Dourados-Itahum, Dourados, Brazil
5 - Department of Animal Science and Industry, Kansas State University, 66506, Manhattan, Kansas, United States
6 - Department of Agricultural Science, Universidade Federal da Grande Dourados, Rodovia Dourados-Itahum, Dourados, Brazil
7 - Department of Biological Science and Environment, Universidade Federal da Grande Dourados, Rodovia Dourados Itahum, Dourados, Brazil
8 - Department of Biological Science and Environment, Universidade Federal da Grande Dourados, Rodovia Dourados-Itahum, Dourados, Brazil
9 - Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, University of São Paulo (USP), Av. Duque de Caxias Norte, 225-Campus da USP, Pirassununga, Brazil
10 - Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, University of São Paulo (USP), Av. Duque de Caxias Norte, 225-Campus da USP, Pirassununga, Brazil
11 - Department of Agricultural Science, Universidade Federal da Grande Dourados, Rodovia Dourados-Itahum, Dourados, Brazil
کلید واژه: in vitro degradation, ethanol, aerobic stability, alcoholic fermentation, lactic bacteria, sugarcane (<, i>, Saccharum officinarum<, /i>, ),
چکیده مقاله :
The aim of this study was to determine the effects of a bacterial inoculant and chemical additives on nutrient composition, in vitro degradation, total loss, aerobic stability, microbiological quality, and fermentative profile of sugarcane silage. Treatments were distributed to forty-eight mini-silos in a 2 × 4 factorial arrangement: two levels of microbial inoculant (INO, 0 or 4 g/t of fresh sugarcane and three chemical additives (CHE, CaO, NaCl and urea at 10 g/kg on as-is basis). The association of INO and urea had the highest values of dry matter (DM) and neutral detergent fiber in vitro degradation. Treatments with inoculant and chemical additives reduced the gas loss (g/kg as-is basis). The association of INO and CHE increased the amounts of lactic acid bacteria. The association of INO and CHE resulted in a synergetic effect to decrease ethanol production and to increase lactic acid production. Inoculant and CHE showed a positive synergetic effect on total losses, dry matter recovery, microbiological profile, and production of ethanol and lactic acid. Treatments containing urea had greater DM in vitro degradation and aerobic stability compared with the other chemical additives. The association of INO and CHE positively affected the chemical composition, in vitro degradation, total losses, aerobic stability, microbiological and fermentative profile of sugarcane silage.
هدف از این مطالعه، تعیین اثرات یک تلقیح باکتریایی و افزودنیهای شیمیایی روی ترکیب مواد مغذی، تجزیه آزمایشگاهی، ضایعات کُل، ثبات هوازی، کیفیت میکروبی و پروفایل تخمیری سیلوی نیشکر بوده است. تیمارها در 48 سیلوی کوچک در قالب فاکتوریل 4 × 2 (دو سطح تلقیح میکروبی (INO، 0 یا 4 گرم به ازای هر تُن نیشکر تازه) و سه افزودنی شیمیایی (CHE، CaO، NaCl و اوره به میزان 10 گرم در هر کیلوگرم)) توزیع شدند. ارتباط INOو اوره بالاترین مقادیر ماده خشک (DM) و فیبر محلول در شوینده خنثی در شرایط تجزیه آزمایشگاهی را داشت. تیمارهای با تلقیح و افزودنیهای شیمیایی ضایعات گازی (گرم به ازای هر کیلوگرم) کاهش دادند. رابطه INO و CHE مقدار باکتریهای اسید لاکتیک را افزایش داد. رابطه INO و CHE منجر به اثر همافزایی برای کاهش تولید اتانول و افزایش تولید اسید لاکتیک شد. تلقیح و CHE اثر همافزایی مثبت بر ضایعات کُل، بازیابی ماده خشک، پروفایل میکروبی و تولید اتانول و اسید لاکتیک داشت. تیمارهای حاوی اوره DM بزرگتر در تجزیه آزمایشگاهی و ثبات هوازی بیشتر در مقایسه با سایر افزودنیهای شیمیایی داشتند. ارتباط INO و CHE اثر مثبتی بر ترکیب شیمیایی، تجزیه آزمایشگاهی، ضایعات کُل، ثبات هوازی و پروفایل میکروبی و تخمیری سیلوی نیشکر داشت.
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