2015
DOI: 10.1016/j.anifeedsci.2015.05.017
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Effect of fat supplementation and stage of lactation on methane production in dairy cows

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Cited by 17 publications
(13 citation statements)
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“…As seen in Figure 1, enteric CH 4 emission tended to increase as lactation progressed for both treatments. This observation is in line with data reported by Alstrup et al (2015).…”
Section: Enteric Gas Emissionssupporting
confidence: 94%
“…As seen in Figure 1, enteric CH 4 emission tended to increase as lactation progressed for both treatments. This observation is in line with data reported by Alstrup et al (2015).…”
Section: Enteric Gas Emissionssupporting
confidence: 94%
“…Higher MY may be associated with slower passage rate in late lactation, which leads to increase residence time of feeds in the rumen and increased degradation, especially of the slowly degradable fiber fraction. The net effect would be increased methane production (Alstrup et al, 2015). In this context, studies by Moate et al (2017) and Bayat et al (2017), which reported lower MY than those observed in this study, used cows in peak lactation (71 and 89 DIM, respectively) compared with our study that used cows in late lactation (207 DIM).…”
Section: Discussioncontrasting
confidence: 58%
“…Diets with more NDF content are associated with increased methane production, because acetate is a major end product of the fermentation of NDF and acetate enhances methane formation (Johnson and Johnson, 1995). Some authors suggest that high MY can be related to stage of lactation, with MY increasing toward late lactation (Grainger et al, 2010;Alstrup et al, 2015). Higher MY may be associated with slower passage rate in late lactation, which leads to increase residence time of feeds in the rumen and increased degradation, especially of the slowly degradable fiber fraction.…”
Section: Discussionmentioning
confidence: 99%
“…The level of supplementation and the physical form of the lipid supplement affect its availability in the rumen, and these factors appear to be more important than the FA profile [ 35 ]. In this regard, [ 36 ], using dairy cows housed in respiratory chambers, found that, compared to the control, the average reduction in CH 4 (L/kg DMI) per 10 g/kg of crude fat added was persistent throughout lactation. The same authors observed that the most effective lipid source in reducing methanogenesis was a commercial vegetal rumen protected fat fortified with hydroxy-methionine-analog-isobutyrate (−5.5 % of CH 4 ), followed by vegetal rumen protected fat (−2.3 %), and by whole cracked rapeseed (−0.8 %).…”
Section: Discussionmentioning
confidence: 99%