Methane inhibition by Asparagopsis taxiformis with rumen fluid collected from ventral and central location - a pilot study

被引：3

作者：

Alvarez, Clementina ^{[1
,2
]}

Andersen, Thea Os ^{[1
]}

Eikanger, Katrine Somlioy ^{[1
]}

Hamfjord, Ida Woyen ^{[1
]}

Niu, Puchun ^{[1
]}

Weiby, Kim Viggo ^{[1
,2
]}

Arvik, Linda ^{[1
]}

Dorsch, Peter ^{[3
]}

Hagen, Live Heldal ^{[4
]}

Pope, Phillip B. ^{[1
]}

Forberg, Dag Kristoffer ^{[1
]}

Hustoft, Hanne Kolsrud ^{[1
]}

Schwarm, Angela ^{[1
]}

Kidane, Alemayehu ^{[1
]}

机构：

[1] Norwegian Univ Life Sci, Fac Biosci, As, Norway

[2] TineSA, Oslo, Norway

[3] Norwegian Univ Life Sci, Fac Environm Sci & Nat Resource Management, As, Norway

[4] Norwegian Univ Life Sci, Fac Chem Biotechnol & Food Sci, As, Norway

来源：

ACTA AGRICULTURAE SCANDINAVICA SECTION A-ANIMAL SCIENCE | 2023年 / 72卷 / 1-2期

关键词：

Methane mitigation; seaweed; ruminant; rumen; Norwegian Red; esophageal tubing; fermentation; FERMENTATION; DIGESTION; BACTERIA; SEAWEED; FORAGE; BARLEY; ACID;

D O I：

10.1080/09064702.2022.2152196

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

We assessed the effect of rumen fluid (RF) collection site (central vs. ventral), seaweed (with or without Asparagopsis taxiformis) and their interaction on in vitro total gas and methane yield, and fermentation parameters. Rumen fluid was collected via esophageal tubing from six cows, controlling sampling locations manually through the rumen cannula. Linear mixed-effect model analysis revealed no interactions between rumen fluid collection site and seaweed. Seaweed reduced (P < 0.01) total gas and methane yield (mL/g DM) by 10% and 93%, respectively. Collection site had no effect on total gas yield, but methane yield was slightly lower (P = 0.03) with central than ventral RF. Our pilot study is the first report on gas parameters for incubated rumen fluid from different collection sites, and the observed effect of collection site on CH4 yield provides further evidence for the importance of representative rumen sampling.

引用

页码：25 / 32

页数：8

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