The effect of feeding hay before fresh alfalfa on the occurrence of frothy bloat in cattle

Majak, W.; Garland, G. J.; Lysyk, Tim

doi:10.4141/cjas07073

Cited by 6 publications

(3 citation statements)

References 8 publications

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“…The risk of pasture bloat is negligible when cattle graze pastures with grass. Feeding corn silage or grass hay to cattle before turning them onto alfalfa pasture reduces the incidence of bloat substantially [ 113 , 114 ]. However, beef cattle and sheep are usually not (or not regularly) supplemented during the grazing season.…”

Section: Management Strategies To Reduce Bloat Incidence On Alfalfmentioning

confidence: 99%

The Role of Proanthocyanidins Complex in Structure and Nutrition Interaction in Alfalfa Forage

Jonker¹,

Yu²

2016

IJMS

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Alfalfa (Medicago sativa L.) is one of the main forages grown in the world. Alfalfa is a winter hardy, drought tolerant, N-fixing legume with a good longevity, high yield, high nutrient levels, high digestibility, unique structural to non-structural components ratio, high dry matter intake, and high animal productivity per hectare. However, its main limitation is its excessively rapid initial rate of protein degradation in the rumen, which results in pasture bloat and inefficient use of protein with consequent excessive excretions of nitrogen into the environment. Proanthocyanidins are secondary plant metabolites that can bind with protein and thereby reduce the rate and extent of ruminal protein degradation. However, these secondary metabolites do not accumulate in alfalfa. This review aims to firstly describe the events involved in the rapid release of protein from alfalfa and its effect on ruminant nutrition, environmental pollution, and pasture bloat; secondly, to describe occurrence, structure, functions and benefits of moderate amounts of proanthocyanidin; and finally, to describe the development of alfalfa which accumulates moderate amounts of proanthocyanidins. The emphasis of this review focuses on the role of proanthocyanidins compounds in structure and nutrition interaction in ruminant livestock systems.

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Section: Management Strategies To Reduce Bloat Incidence On Alfalfmentioning

confidence: 99%

The Role of Proanthocyanidins Complex in Structure and Nutrition Interaction in Alfalfa Forage

Jonker¹,

Yu²

2016

IJMS

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“…In a previous study it was observed that supplementation with orchardgrass hay was much more effective in reducing bloat than was alfalfa hay (Majak et al 2008). This suggests that the decrease in bloat in mixed pastures (Table 2) was more than an effect of forage dilution.…”

mentioning

confidence: 91%

“…Orchardgrass (Dactylis glomerata L.) has been previously shown to reduce bloat when it was a component of mechanically harvested alfalfa or when it was fed as a hay supplement before grazing alfalfa (Majak et al 2003(Majak et al , 2008. The objective of this trial was to determine if allowing cattle to graze monoculture strips of orchardgrass and alfalfa would minimize the risk of bloat.…”

mentioning

confidence: 99%

Effect of grazing mixtures of alfalfa and orchardgrass grown in strips on the incidence of bloat in cattle

Veira¹,

Lysyk²,

Thompson³

et al. 2010

Can. J. Anim. Sci.

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, W. 2010. Effect of grazing mixtures of alfalfa and orchardgrass grown in strips on the incidence of bloat in cattle. Can. J. Anim. Sci. 90: 109Á112. Steers were grazed on pastures with alfalfa and orchardgrass grown in monoculture strips with alfalfa covering 100, 75 or 50% of the ground area. The forages were maintained at an early stage of growth during the trial. The incidence of frothy bloat in cattle was reduced by 70 to 90% when grass was a component of the pasture. Given unconstrained free choice, the legume was preferred over the grass by steers. Des bouvillons ont e´te´mis a`l'herbe sur des paˆturages ou`la luzerne et le dactyle pelotonne´e´taient cultive´s en bandes distinctes, la luzerne correspondant a`100, a`75 ou a`50% de la surface. Les espe`ces fourrage`res ont e´te´maintenues au de´but de leur croissance durant l'essai. Le me´te´orisme a diminue´de 70 a`90% chez les bovins paissant dans les paˆturages ou`poussait la gramine´e. Les bouvillons, qui pouvaient se nourrir a`leur gre´sans contraintes, pre´fe´raient la le´gumineuse a`la gramine´e.

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Diseases of the Alimentary Tract–Ruminant

2017

Veterinary Medicine

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The effect of feeding hay before fresh alfalfa on the occurrence of frothy bloat in cattle

Cited by 6 publications

References 8 publications

The Role of Proanthocyanidins Complex in Structure and Nutrition Interaction in Alfalfa Forage

The Role of Proanthocyanidins Complex in Structure and Nutrition Interaction in Alfalfa Forage

Effect of grazing mixtures of alfalfa and orchardgrass grown in strips on the incidence of bloat in cattle

Diseases of the Alimentary Tract–Ruminant

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