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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
26/07/1995 |
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Data da última atualização: |
26/07/1995 |
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Autoria: |
HODGSON, J.; TAYLER, J. C.; LONSDALE, C. R. |
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Título: |
The relationship between intensity of grazing and the herbage consumption and growth of calves. |
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Ano de publicação: |
1971 |
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Fonte/Imprenta: |
Journal of the British Grassland and Society, v.26, n.4, p.231-237, 1971. |
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Idioma: |
Inglês |
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Conteúdo: |
Experiments were conducted in 1967 and 1968 in which Hereford x Friesian (Experiment 1) and Fiesian (Experiment 2) steer calves born in April were turned out to graze at one weck or 3 months of age, respectively, and maintained at three stockling desities 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 stubble at the medium stocking density was reduced to 8 cm. The rate of liveweight gain and herbage 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 herbage residues than to the height of the grazed sward. The rate of liveweight gain was depressed when the amount of herbage left after grazing fell below 2000-2500 kg OM/ha (1800-2250 Ib/ac). |
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Palavras-Chave: |
Pasture; Perennial ryegrass. |
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Thesagro: |
Bezerro; Pastagem. |
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Thesaurus Nal: |
calves. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01461naa a2200205 a 4500
001 1784990
005 1995-07-26
008 1971 bl --- 0-- u #d
100 1 $aHODGSON, J.
245 $aThe relationship between intensity of grazing and the herbage consumption and growth of calves.
260 $c1971
520 $aExperiments were conducted in 1967 and 1968 in which Hereford x Friesian (Experiment 1) and Fiesian (Experiment 2) steer calves born in April were turned out to graze at one weck or 3 months of age, respectively, and maintained at three stockling desities 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 stubble at the medium stocking density was reduced to 8 cm. The rate of liveweight gain and herbage 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 herbage residues than to the height of the grazed sward. The rate of liveweight gain was depressed when the amount of herbage left after grazing fell below 2000-2500 kg OM/ha (1800-2250 Ib/ac).
650 $acalves
650 $aBezerro
650 $aPastagem
653 $aPasture
653 $aPerennial ryegrass
700 1 $aTAYLER, J. C.
700 1 $aLONSDALE, C. R.
773 $tJournal of the British Grassland and Society$gv.26, n.4, p.231-237, 1971.
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Registro original: |
Embrapa Pantanal (CPAP) |
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