Comparative studies of perennial ryegrass and cocksfoot as food for the calf

Alder, F. E.; Cooper, E.M.

doi:10.1017/s002185960001282x

Cited by 15 publications

(8 citation statements)

References 10 publications

(4 reference statements)

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“…The evidence, too, on palatability is limited and often conflicting; under some conditions, it is relatively palatable (28) and even preferentially selected (7), but observations by Kydd (29) indicated that sheep seldom defoliated Poa species between April and September and preferred the more accessible tillers of ryegrass. Similar observations have been reported by Sears (38) in New Zealand, while Alder and Cooper (1) found that cattle ate sown perennial ryegrass in preference to volunteer Poa annua or P. trivialis.…”

Section: Nutritive Valuesupporting

confidence: 89%

THE SIGNIFICANCE AND CONTROL OF POA TRIVIALIS IN RYEGRASS PASTURES

Haggar

1971

Grass and Forage Science

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A review of published information on the growth and productivity of Poa trivialis in relationship with perennial ryegrass is presented. The available evidence indicates that P. trivialis is usually outyielded by ryegrass, particularly under drought and infertile soil conditions. In addition, the quality and seasonal distribution of the yield is often of questionable value. It would therefore appear that P. trivialis can be considered an undesirable species in most intensively managed ryegrass pastures. Preliminary results from competition studies between F. trivialis and S23 perennial ryegrass confirm that the replacement of ryegrass by P. trivialis leads to a lowering of productivity. The latest control measures for preventing the invasion and/or removal of P. trivialis from ryegrass pastures are given, based largely on the use of selective herbicides.

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Section: Nutritive Valuesupporting

confidence: 89%

THE SIGNIFICANCE AND CONTROL OF POA TRIVIALIS IN RYEGRASS PASTURES

Haggar

1971

Grass and Forage Science

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“…This was slightly lower than the rates of gain recorded for other groups of spring-born calves grazing ryegrass swards at lowpressure (1,2,14), but considerably lower than the weight gain normally expected at low grazing pressure from autumn-born 236…”

Section: Discussioncontrasting

confidence: 56%

The Relationship Between Intensity of Grazing and the Herbage Consumption and Growth of Calves

Hodgson

Tayler

Lonsdale

1971

Grass and Forage Science

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Experiments were conducted in 1967 and 1968 in which Hereford X Friesian (Experiment 1) and Friesian (Experiment 2) steer calves horn in AprO were turned out to graze at one week or 3 months of age, respectively, and maintained at three stocking densities in the ratio 1:2:3 animals per unit area. The calves grazed paddocks of S23 perennial ryegrass in rotation, and were moved when the height of grazed stuhhle at the medium stocking density was reduced to 8 cm. The rate of liveweight gain and herhage intake per head declined as stocking rate increased. When the results of the two experiments were compared, the weight gain of the calves was more closely related to the weight of herhage residues than to the height of the grazed sward. The rate of liveweight gain was depressed when the amount of herhage left after grazing fell helow 2000-2500 kg OM/ha (1800-2250 lh/ac).

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“…Growth rate on pasture was lower than in indoor-fed animals in experiments of Boucqué et al (1978) and Hornick et al (1998). This reduced growth rate may be provoked by a relatively low organic matter intake as suggested by Alder and Cooper (1967) and Hodgson (1968). As feed intake in finishing double-muscled animals is lower than in non-double-muscled ones (Vermorel et al, 1976;Hanset et al, 1979;and Fiems et al, 1999), grazing may result in an extra growth retard in young double-muscled animals.…”

Section: Introductionmentioning

confidence: 84%

Feed Intake of Young Double-Muscled Bulls Fed on Grass and Supplemented with Sugar-Beet Pulp

Fiems¹,

Boever²,

Campeneere³

et al. 2002

Archiv für Tierernaehrung

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Daily dry matter intake in young growing double-muscled bulls, fed indoors on grass, was estimated based on forty-four intake data from 28 animals, ageing at least five months and weighing up to 400 kg live weight. Intake was measured during five consecutive days using one of eighteen cuts of grass. Fresh meadow grass (mainly Lolium perenne) was fed ad libitum and two kg dried sugar-beet pulp was offered per animal and per day. Animal live weight averaged 278 +/- 82 kg and mean total daily dry matter intake amounted to 5.05 +/- 1.59 kg or 73.6 +/- 13.7 g per kg metabolic weight, while pulp dry matter intake amounted to 1.49 +/- 0.50 kg per day. Regression analysis showed that animal as well as feed characteristics could explain up to approximately 90% of the variation in daily dry matter intake. The supplementation resulted in an extra daily dry matter intake of 0.68 g per g pulp dry matter. Intake of double-muscled animals was considerably lower than previously reported for non-double-muscled cattle. An extra supplementation of young grazing double-muscled animals could be advised from these findings, while extra protein should also be considered.

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Comparative studies of perennial ryegrass and cocksfoot as food for the calf

Cited by 15 publications

References 10 publications

THE SIGNIFICANCE AND CONTROL OF POA TRIVIALIS IN RYEGRASS PASTURES

THE SIGNIFICANCE AND CONTROL OF POA TRIVIALIS IN RYEGRASS PASTURES

The Relationship Between Intensity of Grazing and the Herbage Consumption and Growth of Calves

Feed Intake of Young Double-Muscled Bulls Fed on Grass and Supplemented with Sugar-Beet Pulp

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