Publication Date

1997

Description

The prupose of this research was to investigate characteristics of grass species under different conditions appropriate to the intensive grazing system for high producing cows (8000 kg for a 305-day lactation) in northern Japan. Meadow fescue (Festuca elatior L.), timothy (Phleum pratense L.) and perennial ryegrass (Lolium perene L.) white clover (Trifolium repens L.) pastures were established and divided into two plots by difference of regulated plant height (meadow fescue and timothy) or of stocking intensity (perennial ryegrass). Each plot was 60m2 and was grazed when plant height reached 20cm or 30cm. Meadow fescue and perennial ryegrass were superior in herbage production to timothy under 20cm plant height plots. The 30cm plant height plots and the low stocking intensity plot had an advantage of quantitative production but had disadvantages of utilization efficiency and nutritive value of pasture.

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Characteristics of Grass Species in Pasture for High Producing Cows in Northern Japan

The prupose of this research was to investigate characteristics of grass species under different conditions appropriate to the intensive grazing system for high producing cows (8000 kg for a 305-day lactation) in northern Japan. Meadow fescue (Festuca elatior L.), timothy (Phleum pratense L.) and perennial ryegrass (Lolium perene L.) white clover (Trifolium repens L.) pastures were established and divided into two plots by difference of regulated plant height (meadow fescue and timothy) or of stocking intensity (perennial ryegrass). Each plot was 60m2 and was grazed when plant height reached 20cm or 30cm. Meadow fescue and perennial ryegrass were superior in herbage production to timothy under 20cm plant height plots. The 30cm plant height plots and the low stocking intensity plot had an advantage of quantitative production but had disadvantages of utilization efficiency and nutritive value of pasture.