The Effect of Pre‐wilting Herbage on the Composition of Silage and Its Intake by Cows

Murdoch, J. C.

doi:10.1111/j.1365-2494.1960.tb00157.x

Cited by 36 publications

(17 citation statements)

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“…Other workers (Waldo, Smith and Gordon, 1968;Derbyshire, Waldo and Gordon, 1971;Waldo, Keys, Smith and Gordon, 1971;Fox, Brown and McCulloch, 1972;Valentine and Brown, 1973;Waldo, Keys and Gordon, 1973) attribute these increased intakes and performance on formic acid-treated silage to improvements in digestibility, N retention and energy utilization, which result from a restriction in silage fermentation. Furthermore, while it is accepted that wilting improves the fermentation characteristics of silages (Murdoch, 1960;Jackson and Forbes, 1970), there t Present address: University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leicestershire LE12 5RD. Furthermore, while it is accepted that wilting improves the fermentation characteristics of silages (Murdoch, 1960;Jackson and Forbes, 1970), there t Present address: University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leicestershire LE12 5RD.…”

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confidence: 99%

Beef production from formic acid-treated and wilted silages

1976

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1. Herbage was ensiled, fresh at 17% DM or wilted to 32% DM, with and without the addition of formic acid (19-2 kg/tonne DM). The silages were fed individually ad libitum to 36 fifteen-month-old British Friesian steers of about 280 kg initial live weight (nine animals per treatment). 2. Wilting and the application of formic acid both inhibited fermentation, resulting in silages with higher levels of water-soluble carbohydrates, lower concentrations of volatile nitrogen and lower organic acid contents. 3. There were no significant dry matter x formic acid interactions in dry-matter intake or daily live-weight gain. 4. Treatment with formic acid did not enhance significantly either dry-matter intake or daily live-weight gain. Furthermore, it had little effect on digestibility, nitrogen retention or metabolizable energy (ME) concentration. 5. Wilting before ensiling increased dry-matter intake from 5-0 to 8-3 kg/head per day with consequent marked increases in ME intake, nitrogen retention and live-weight gain. Wilting, however, had little effect on digestibility, ME concentration, or the efficiency with which dietary nitrogen intake was retained.

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confidence: 99%

Beef production from formic acid-treated and wilted silages

1976

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“…Unpalatability, in this case, may only apply to clostridial, butyrate-type fermentations and may not be a factor in most normal silages. Practices of use of various chemical additives and silage pre-wilting and fine-chopping improves utilization and this is related to favouring a lactic acidtype fermentation at the expense of clostridial protein breakdown, as mentioned previously (Murdoch 1960;Desweysen et al 1978;Bolsen 1978;Edwards and McDonald 1978). The requirements for rumen microbial nitrogen are preformed amino acid N (free and oligopeptide amino acids) in addition to ammonia N. Rumen microbes preferentially use oligopeptide amino acids for protein synthesis; this poses some savings in the use of ATP for amino acid biosynthesis (Stern and Hoover 1979;Cotta and Hespell 1986).…”

Section: The Nutritive Problems Of Silagementioning

confidence: 89%

Biotechnology and the improvement of silage (tropical and temperate) rumen digestion: a mini-review

Flores

1991

Appl Microbiol Biotechnol

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As with forage diets in general, ensiled tropical residue feeds and temperate grass and legume herbage tend to have lower fibre digestibility, ruminal biomass production and feed bypass, resulting in limited protein nurition and intake in the animal. Various modified (recombinant and mutated) microbial inoculants might be used mainly to : (1) boost lactic acid production in temperate silage to stabilize against further clostridial protein breakdown during the ensiling process and effect silage fibre (lignin, cellulose, and hemicellulose) digestion to increase digestibility and (2) increase microbial digestion of fibre along with boosting microbial protein synthesis to increase microbial biomass production in the rumen.

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“…Wilting prior to ensiling did not significantly increase the intake of organic matter. This contrasts with grass/legume silages, the intake of which is generally increased by wilting before ensilage (14,19,20). Khalifa and Prescott have also reported (16) that the intake of a silage made from a whole-crop cereal was not increased by wilting.…”

Section: Discussionmentioning

confidence: 97%

The Feeding Value of Silages Made From Whole‐crop Barley

Wilkins

Osbourn

Tayler

1970

Grass and Forage Science

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Whole crops of barley were conserved and fed to sheep and cattle. In the first experiment the barley was cut at the mealy-ripe stage of growth and conserved by ensilage or by drying artificially. Cattle and sheep lost weight when the resulting silages were fed ad lib.; wilting the crop before ensiling did not improve the performance. Sheep fed artificially-dried whole-crop barley increased in liveweight; and the intake of this was significantly higher than that of the silages.In the second experiment, barley was cut and ensiled at the watery-ripe, mealy-ripe and late mealy-ripe stages of growth. Intakes and levels of performance by sheep fed these silages did not differ with the growth stage at which the crop was harvested, but supplementation of the silages with lucerne pellets resulted in large improvements in performance.

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The Effect of Pre‐wilting Herbage on the Composition of Silage and Its Intake by Cows

Cited by 36 publications

References 2 publications

Beef production from formic acid-treated and wilted silages

Beef production from formic acid-treated and wilted silages

Biotechnology and the improvement of silage (tropical and temperate) rumen digestion: a mini-review

The Feeding Value of Silages Made From Whole‐crop Barley

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