The effects of a low lignin hull, high oil groat oat on the performance and carcass characteristics of feedlot cattle

Arya, Shalini S.; McKinnon, J. J.

doi:10.4141/cjas2011-052

Cited by 3 publications

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“…Oat replacing 42% barley in dairy total mixed rations could increase yield of milk fat and fat corrected milk (Yu et al 2010). Nevertheless, replacing barley by oats led to the decline of daily live weight gain and feed conversion in growing dairy bulls (Huuskonen 2009) and crossbred steers (Arya and McKinnon 2011). In addition, no differences in animal performance and feed efficiency have been observed in steers receiving rolled barley and oats (Dion and Seoane 1992).…”

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confidence: 99%

Replacement of oat grass with highland barley straw: effects on lipid profiles, FA composition and lipogenetic genes expression in Tibetan sheep

Yan

Tang

Tan

et al. 2017

Italian Journal of Animal Science

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Studies associated with regional roughage utilisation in Tibetan sheep have been limited. This study focussed on the mechanism of lipid metabolism and deposition in Tibetan sheep fed local roughage sources. Twenty-four Tibetan sheep weighing 16.1 ± 1.76 kg were randomly assigned to two mixed diets containing the same concentrate mixed with oat grass (OG) or highland barley straw (HBS). The ME and CP of OG diet were 7.16 MJ/kg DM and 5.94%, respectively, while in HBS diet were 7.13 MJ/kg DM and 7.39%. Lipid profiles in the plasma and liver, fatty acid (FA) composition and lipogenetic genes expression in the muscle and adipose tissue were determined. No difference was observed in DMI, total cholesterol, triglyceride, low-density lipoprotein and high-density lipoprotein levels in the plasma and liver of sheep between two groups (p>.05). Plasma leptin and liver non-esterified fatty acid (NEFA) content in HBS group tended to be greater than that in OG group (p < .01). Sheep in HBS group had greater C18:2, C20:4, PUFA and PUFA/SFA ratio in the longissimus dorsi muscle (p < .05) and lower C17:0 (p ¼ .05) and C20:1 (p < .01) in the perirenal adipose fat. Perirenal C18:0, C20:3 and C20:4 contents in HBS group tended to increase (p < .01). HBS stimulated the mRNA expression of SCD, C/EBPc and SREBF1 in the muscle and FASN in the perirenal adipose fat (p < .01), but inhibited HSL, LPL, C/EBPc and PPARc expression in the perirenal adipose fat. These results indicated that replacement of OG by HBS promotes PUFA deposition in the muscle and long-chain FAs in the adipose fat of Tibetan sheep. Lipid deposition-related genes (SCD, FASN, HSL and LPL) and lipid metabolism regulators (C/EBPc, SREBF1 and PPARc) are involved in the transcriptional regulation.

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Section: Introductionmentioning

confidence: 99%

Replacement of oat grass with highland barley straw: effects on lipid profiles, FA composition and lipogenetic genes expression in Tibetan sheep

Yan

Tang

Tan

et al. 2017

Italian Journal of Animal Science

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Evaluation of wheat or corn dried distillers’ grains with solubles on performance and carcass characteristics of feedlot steers

Walter¹,

Aalhus²,

Robertson³

et al. 2010

Can. J. Anim. Sci.

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. 2010. Evaluation of wheat or corn dried distillers' grains with solubles on performance and carcass characteristics of feedlot steers. Can. J. Anim. Sci. 90: 259Á269. A study was conducted on crossbred steers (n0275; 376924 kg) to evaluate performance and carcass quality of cattle fed wheat or corn dried distillers' grains with solubles (DDGS). The control ration contained 86.6% rolled barley grain, 5.7% supplement and 7.7% barley silage (DM basis). The four treatments included replacement of barley grain at 20 or 40% of the diet (DM basis) with wheat or corn DDGS. Steers were slaughtered at a common end weight of 645 kg with 100 steers randomly (n 020 per treatment) selected for determination of the retail yield of sub-primal boneless boxed beef (SPBBB). Data were analyzed as a completely randomized design using pen as the experimental unit. Feeding increasing levels of wheat DDGS led to a quadratic increase in dry matter intake (DMI) (PB0.01), whereas increasing levels of corn DDGS led to a quadratic decrease in DMI (P00.01). Average daily gain was not influenced (P00.13) by feeding wheat or corn DDGS, but cattle fed corn DDGS exhibited a quadratic increase (P00.01) in gain:feed. As a result, a quadratic increase (P B0.01) in calculated NE g of the diet was observed as corn DDGS levels increased. A linear decrease (P00.04) in days on feed (169, 166 and 154 d) was noted when increasing levels of wheat DDGS (0, 20 and 40%) were fed. Dressing percentage increased in a linear fashion with wheat DDGS (P B0.01) inclusion level and in a quadratic fashion (P 00.01) as corn DDGS inclusion level increased although other carcass traits were not affected (P0.10) by treatment. The results indicate that replacement of barley grain with corn or wheat DDGS up to 40% of the diet (DM) can lead to superior performance (improved gain:feed or reduced days on feed, respectively) with no detrimental effect on quality grade or carcass SPBBB yield. Incidence des extraits solubles secs de distillerie de ble´ou de maı¨s sur le rendement et les parame`tres de la carcasse des bouvillons d'engrais. Can. J. Anim. Sci. 90: 259Á269. Les auteurs ont effectue´une e´tude sur des bouvillons hybrides (n 0275; 376924 kg) en vue d'e´valuer le rendement et la qualite´de la carcasse des animaux engraisse´s avec des extraits solubles secs de distillerie (ESSD) de ble´ou de maı¨s. La ration te´moin contenait 86,6 % de flocons d'orge, 5,7 % de supple´ment et 7,7 % d'ensilage d'orge (matie`re se`che). Les quatre traitements incluaient la substitution de 20 % ou de 40 % d'orge (matie`re se`che) par des ESSD de ble´ou de maı¨s. Les animaux ont e´te´sacrifie´s quand leur poids atteignait 645 kg et on en a se´lectionne´une centaine au hasard (n 020 par traitement) pour de´terminer le rendement au de´tail de boeuf de coupe secondaire de´sosse´en caisse carton (BCSDCC). Les donne´es ont e´te´analyse´es comme si elles e´manaient d'un essai comple`tement randomise´ayant l'enclos pour unite´expe´rimentale. La concentration croissante d'ESSD de ble4To whom corres...

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The effects of a low lignin hull, high oil groat oat on the performance and carcass characteristics of feedlot cattle

Arya

McKinnon

2011

Can. J. Anim. Sci.

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a low lignin hull, high oil groat oat on the performance and carcass characteristics of feedlot cattle. Can. J. Anim. Sci. 91: 685Á693. A study was conducted to evaluate inclusion levels of a low lignin hull, high oil groat oat (CDC SO-I) on the performance and carcass characteristics of feedlot cattle. Two hundred crossbred steers (average weight of 427.3 kg922.4) fed in 20 pens (10 head per pen) were used. Five treatments, formulated by replacing barley grain with increasing levels of CDC SO-I oat (Barley grain:CDC SO-I oat ratios of 100:0; 75:25; 50:50; 25:75 and 0:100; DM basis) were used. Over the entire study, there was a linear decrease (P B0.01) in DMI and ADG with increasing inclusion level of CDC SO-I oat. There was a quadratic effect (P 00.03) on gain to feed with similar values for steers fed 100:0, 75:25, 50:50 and 75:25 and then decreasing for the 0:100 treatment. Days on feed increased (P00.03) quadratically with steers fed the 75:25 and 0:100 treatments spending the longest time on feed. Increasing the inclusion level of CDC SO-I oat in the diet also linearly decreased (PB0.01) carcass weight, dressing percentage and carcass grade fat. However, there was no effect of treatment on l. dorsi area and lean meat yield. There was no effect (P!0.05) of treatment on marbling score. Overall, the results of this study indicate that replacement of barley grain by CDC SO-I oat in finishing diets decreases DMI and as a result leads to reduced ADG, increased days on feed and lower slaughter and carcass weights. Arya, S. et McKinnon, J. J. 2011. Incidence d'une avoine a`balle pauvre en lignine et a`amande riche en huile sur la performance et les parame`tres des la carcasse des bovins de boucherie. Can. J. Anim. Sci. 91: 685Á693. Les auteurs ont entrepris une e´tude afin d'e´valuer les effets de la quantite´d'avoine a`balle pauvre en lignine et a`amande riche en huile (CDC SO-I) ajoute´e a`la ration sur la performance et les parame`tres de la carcasse des bovins de boucherie. Pour cela, ils ont recouru a`200 bouvillons hybrides (poids moyen de 427,3 kg922,4) re´partis dans 20 enclos (10 animaux par enclos). Les cinq rations expe´rimentales ont e´te´pre´pare´es en remplac¸ant l'orge par une concentration croissante d'avoine CDC SO-I (ratios d'orge et d'avoine CDC SO-I de 100:0, 75:25, 50:50, 25:75 et 0:100 selon la matie`re se`che). Durant l'e´tude, on a note´une baisse line´aire (PB0,01) de l'ingestion de matie`re se`che et du gain quotidien moyen a`mesure qu'augmente la proportion d'avoine CDC SO-I. Le gain de poids de´rivant de la quantite´d'aliment inge´re´e subit une variation quadratique (P00,03) similaire chez les bouvillons nourris avec les rations 100:0, 75:25, 50:50 et 75:25, avant de diminuer pour la ration 0:100. Le nombre de jours d'engrais augmente (P 00,03) de fac¸on quadratique chez les bouvillons, ceux recevant les rations 75:25 et 0:100 demeurant le plus longtemps a`l'engrais. Quand on augmente la quantite´d'avoine CDC SO-I dans la ration, on assiste aussi a`une baisse line´aire (PB0,01) du poids...

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The effects of a low lignin hull, high oil groat oat on the performance and carcass characteristics of feedlot cattle

Cited by 3 publications

References 38 publications

Replacement of oat grass with highland barley straw: effects on lipid profiles, FA composition and lipogenetic genes expression in Tibetan sheep

Replacement of oat grass with highland barley straw: effects on lipid profiles, FA composition and lipogenetic genes expression in Tibetan sheep

Evaluation of wheat or corn dried distillers’ grains with solubles on performance and carcass characteristics of feedlot steers

The effects of a low lignin hull, high oil groat oat on the performance and carcass characteristics of feedlot cattle

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