0626 Correlation of fermentation characteristics with intake and digestibility of alfalfa silage in gestating ewes

Niyigena, Valens; Coffey, K. P.; Coblentz, W.K.; Young, A. N.; Philipp, D.; Bartimus, H. L.; Rhein, R. T.

doi:10.2527/jam2016-0626

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“…Although feed intake was not affected by the treatments (p > 0.05), it was higher in PP and YE than that in the control and TO (Table 2). In the present study, greater production of manure may also have been associated with a very low rate of digestion of dry matter as a result of the increased tannin or saponin content in PP and YE (Table 3)-it is well known that ADF concentration is negatively correlated to digestibility (Niyigena et al, 2016).…”

Section: Discussionmentioning

confidence: 62%

Emissions of Some Greenhouse Gases From the Manure of Ewes Fed on Pomegranate Peel, Yucca Extract, and Thyme Oil

Yurtseven¹,

Avcı²,

Çetin³

et al. 2018

Appl. Ecol. Env. Res.

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Sixteen dairy ewes 1 to 2 months pregnant and weighing 50.4 ± 1.02 kg on average were randomly assigned to one of the four treatments, four animals to each treatment: 1) control, 2) yucca saponin (YE, 0.1%), 3) pomegranate peel (PP, 15%), or 4) thyme oil (TO, 0.1%). Total gas production from the fresh manure was measured and the contents of CH 4 , N 2 O, and CO 2 were determined. Digestibility in vivo and nitrogen balance were also determined. Feed intake and body weight were not affected whereas some properties of the manure (dry matter, total N, ADF, and NDF but neither ash nor pH) were affected by the composition of the feed. Total manure production and the emissions of CH 4 and CO 2 expressed as parts per million per millilitre of manure were similar in all the four treatments whereas the content of N 2 O was higher in the control. Supplementing the rations with tannin, saponin, or thyme oil reduced N 2 O emissions from the manure.

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Section: Discussionmentioning

confidence: 62%