The effects of feed blocks containing tomato and cucumber by-products on in vitro ruminal fermentation, microbiota, and methane production

• Autorzy: Romero-Huelva M. , Martin-Garcia A. I. , Nogales R. , Molina-Alcaide E.
• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to evaluate in vitro the effect of replacing 0%, 50%, 75% or 100% of cereal-based concentrate in diets based on lucerne hay with feed blocks containing barley grain or 650 g · kg–1 fresh matter of greenhouse waste fruits (tomato, cucumber, or a 1:1 mixture of tomato and cucumber) on ruminal fermentation, methane production, and bacterial and methanogen population sizes. The type of feed-block showed no effect (p ≥ 0.25). The level of concentrate replacement with blocks did, however, affect (p ≤ 0.042) the pH, CH4 concentration, organic matter degradation rate, total gas, CH4 and total VFA production, acetate/propionate and CH4 /total VFAs ratios, and molar proportions of acetate and butyrate, without changing (p ≤ 0.082) methanogen and total bacteria abundance. Increasing levels of concentrate replacement with feed blocks modified ruminal fermentation, dry matter and neutral detergent fibre digestibility, and had an antimethanogenic effect.

Słowa kluczowe

EN

ruminant; tomato; cucumber; concentrate; by-product; in vitro; rumen microorganism; fermentation; microbiota; methane production

• Wydawca: -
• Czasopismo: Journal of Animal and Feed Sciences
• Rocznik: 2013
• Tom: 22
• Numer: 3
• Opis fizyczny: p.229-237,ref.

Twórcy

autor

Romero-Huelva M.

• Experimental Station of Zaidin (CSIC, Spanish National Research Council) Profesor Albareda 1, 18008 Granada, Spain

autor

Martin-Garcia A. I.

• Experimental Station of Zaidin (CSIC, Spanish National Research Council) Profesor Albareda 1, 18008 Granada, Spain

autor

Nogales R.

• Experimental Station of Zaidin (CSIC, Spanish National Research Council) Profesor Albareda 1, 18008 Granada, Spain

autor

Molina-Alcaide E.

• Experimental Station of Zaidin (CSIC, Spanish National Research Council) Profesor Albareda 1, 18008 Granada, Spain

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