Estimation of herbage consumption by grazing cattle using measurements of eating behaviour

Chacon, E.; Stobbs, T. H.; Sandland, R. L.

doi:10.1111/j.1365-2494.1976.tb01122.x

Cited by 58 publications

(23 citation statements)

References 9 publications

(17 reference statements)

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“…Intake of herbage was estimated from the mean number of eating bites recorded by the nonfistulated cows in 24 h and the mean bite size calculated for the fistulated cows (Chacon, Stobbs & Sandland, 1976). RESULTS…”

Section: Grazing Behaviour and Estimated Intake Of Herbagementioning

confidence: 99%

The influence of the legume Leucaena leucocephala and formal-casein on the production and composition of milk from grazing cows

1979

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Section: Grazing Behaviour and Estimated Intake Of Herbagementioning

confidence: 99%

The influence of the legume Leucaena leucocephala and formal-casein on the production and composition of milk from grazing cows

1979

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“…The form, maturity and availability of herbage have all been shown to affect voluntary intake (Stobbs 1974;Chacon et al 1976;Dougherty et al 1989a). Dougherty et al (1989b) showed that cattle consumed fresh leafy herbage at a greater rate than wilted or stemmy herbage.…”

Section: Herbage Intakementioning

confidence: 99%

Enhancing pasture productivity with alfalfa: A review

Popp¹,

McCaughey²,

Cohen³

et al. 2000

Can. J. Plant Sci.

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, W. 2000. Enhancing pasture productivity with alfalfa: A review. Can. J. Plant Sci. 80: 513-519. Alfalfa has been recognized for its superior yield and quality in seeded pastures. However, when grazing immature alfalfa there is a risk of animal losses due to frothy bloat in some ruminant livestock. Inclusion of at least 50% grass in the pasture mixture is commonly recommended to reduce the risk of bloat. Two decades of plant breeding have resulted in the release of AC Grazeland, an alfalfa cultivar that reduces the incidence of bloat. Other bloat control agents such as pluronic detergents and ionophores can also be of value. Development of grazing-tolerant alfalfa varieties is solving some of the problems associated with lack of persistence of alfalfa in mixed stands; however, they are not bloat-safe. Animal productivity commonly increases when alfalfa is included in pasture mixtures. Improvements in cattle rate of gain are observed when alfalfa contributes as little as 35% to the sward. Grazing management is the principal method for controlling pasture yield and quality as well as animal performance and bloat incidence. When grazing management is used to optimize pasture production and nutrient intake, yearling steers can gain as much as 1.5 kg head -1 d -1 and liveweight production ranging from 107 kg ha -1 (on dryland) to 1946 kg ha -1 (under irrigation) can be expected. Limiting utilization of alfalfa-based pasture to ≤70% may be more important for maximizing gain per head than managing herbage quality. La luzerne est reconnue pour son rendement éléve, tant en quantité qu'en qualité, dans les pâturages de semis. Toutefois quand on fait pâturer de la luzerne trop jeune, on court le risque de pertes d'animaux dues au météorisme chez certaines espèces de ruminants, c'est pourquoi on conseille généralement d'inclure au moins 50 % de graminées dans les mélanges à pâturage. Deux décennies d'amélioration génétique ont abouti à la mise au commerce de AC Grazeland, un cultivar de luzerne moins météorisant. Des substances antimétéorisme comme les détergents pluroniques et les ionophores, peuvent avoir une certaine efficacité. La sélection de variétés de luzerne tolérantes à la pâture règle quelques-uns des problèmes liés au manque de longévité de la luzerne en peuplement mixte, mais elle n'apporte aucune solution au problème du météorisme. La productivité animale augmente généralement lorsque la luzerne est incluse dans les associations à pâturage. Une proportion d'aussi peu que 35 % de luzerne dans la prairie provoque des améliorations du taux de gain des bestiaux. La conduite du pâturage demeure le principal moyen de manipuler le rendement et la qualité de l'herbe, de même que les performances zootechniques et les risques de météorisme. Lorsque la conduite du pâturage est utilisée pour optimiser la production d'herbe et l'absorption d' éléments nutritifs, des bouvillons d'un an peuvent prendre jusqu'à 1,5 kg par jour et par animal avec une production en vif allant de 107 kg ha -1 en culture sèche et à 1 946 kg ha -...

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“…In cows and sheep, the relation between the biting rate and height of sward or biting rate and bite size (herbage intake per bite) have been reported 3,5,8,15) Although these relations in horses have been mentioned2), few detailed studies have been published.…”

Section: Resultsmentioning

confidence: 99%

Automatic Determination of Grazing and Feeding Behavior of Horse in Paddock and Stall

Matsui¹,

Shiose²,

Okubo³

1990

Nihon Chikusan Gakkaiho

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Estimation of herbage consumption by grazing cattle using measurements of eating behaviour

Cited by 58 publications

References 9 publications

The influence of the legume Leucaena leucocephala and formal-casein on the production and composition of milk from grazing cows

The influence of the legume Leucaena leucocephala and formal-casein on the production and composition of milk from grazing cows

Enhancing pasture productivity with alfalfa: A review

Automatic Determination of Grazing and Feeding Behavior of Horse in Paddock and Stall

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