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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
02/08/2001 |
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Data da última atualização: |
26/01/2026 |
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Autoria: |
MONTOSSI, F.; BERRETTA, E. J.; PIGURINA, G.; SANTAMARINA, I. |
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Afiliação: |
FABIO MONTOSSI, INIA. |
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Título: |
A sheep and cattle diet selection study on a fertilized native sward in Uruguay. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro, SP. Grassland ecosystems: an outlook into the 21st century: proceedings. Brasília, DF: Sociedade Brasileira de Zootecnia; Piracicaba: FEALQ, 2001. p. 344-345. |
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Idioma: |
Inglês |
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Conteúdo: |
This study was undertaken during winter, spring and summer 1997, located in the basaltic region of Uruguay to evaluate the effects of stocking rate (SR) and N and P fertilizer application on sward characteristics and on sheep and cattle diet selection and grazing behaviour. The treatments applied were: a) control (C; without fertilizer application using a SR of 0.9 stock units (SU)/ha), b) T1 (with N and P fertilizer application using a SR of 0.9 SU/ha), c) T2 (with N and P fertilizer application using a SR of 1.2 SU/ha) and d) T3 (with N and P fertilizer application using a SR of 1.5 SU/ha). In general, compared with C, fertilized treatments resulted in increments in sward surface height (SSH) and sheep bite weight (BW): a) winter (3, 8, 5 and 5 cm., P < 0.01; 79, 142, 139 and 92 mg DM/bite, P < 0.05), b) spring (3, 8, 5 and 6 cm., P < 0.01; 108, 188, 115 and 215 mg DM/bite, P < 0.01), and c) summer (7, 14, 11 and 8 cm., P < 0.01;146, 199, 182 and 131 mg DM/bite, P < 0.05) for C, T1, T2 and T3, respectively. In general, the nutritive value of diet selected by sheep and cattle was higher than that of the pasture on offer, and higher in sheep than in cattle: a) winter (17, 18 and 16% crude protein, CP, P < 0.05; 39, 37 and 41% acid detergent fiber, ADF, P < 0.05), b) spring (11, 14 and 11% CP, P < 0.05; 42, 33 and 37% ADF, P < 0.01), and c) summer (8, 10 and 9% CP, P < 0.05; 50, 40 and 45% ADF, P < 0.01) for pasture on offer, sheep and cattle diets, respectively. This study demonstrated the importance of fertilizing native swards to improve production, structure, nutritive value, and animal carrying capacity and animal performance. It also shows the important role that diet selection plays in determining the nutritive value of the forage eaten by sheep and cattle, and stresses the greater selective ability of sheep over cattle. MenosThis study was undertaken during winter, spring and summer 1997, located in the basaltic region of Uruguay to evaluate the effects of stocking rate (SR) and N and P fertilizer application on sward characteristics and on sheep and cattle diet selection and grazing behaviour. The treatments applied were: a) control (C; without fertilizer application using a SR of 0.9 stock units (SU)/ha), b) T1 (with N and P fertilizer application using a SR of 0.9 SU/ha), c) T2 (with N and P fertilizer application using a SR of 1.2 SU/ha) and d) T3 (with N and P fertilizer application using a SR of 1.5 SU/ha). In general, compared with C, fertilized treatments resulted in increments in sward surface height (SSH) and sheep bite weight (BW): a) winter (3, 8, 5 and 5 cm., P < 0.01; 79, 142, 139 and 92 mg DM/bite, P < 0.05), b) spring (3, 8, 5 and 6 cm., P < 0.01; 108, 188, 115 and 215 mg DM/bite, P < 0.01), and c) summer (7, 14, 11 and 8 cm., P < 0.01;146, 199, 182 and 131 mg DM/bite, P < 0.05) for C, T1, T2 and T3, respectively. In general, the nutritive value of diet selected by sheep and cattle was higher than that of the pasture on offer, and higher in sheep than in cattle: a) winter (17, 18 and 16% crude protein, CP, P < 0.05; 39, 37 and 41% acid detergent fiber, ADF, P < 0.05), b) spring (11, 14 and 11% CP, P < 0.05; 42, 33 and 37% ADF, P < 0.01), and c) summer (8, 10 and 9% CP, P < 0.05; 50, 40 and 45% ADF, P < 0.01) for pasture on offer, sheep and cattle diets, respectively. This study d... Mostrar Tudo |
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Palavras-Chave: |
Comportamento alimentar; Diet selection; Dieta selecionada; Feeding habits; Fertilizer; Grazing be; Grazing behaviour; Native pasteio; Native pastures; Selective feeding; Uruguai. |
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Thesagro: |
Bovino; Fertilizante; Ovino; Pastagem Nativa; Pastejo. |
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Thesaurus Nal: |
Cattle; Fertilizers; Ruminant nutrition; Sheep feeding. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03097nam a2200385 a 4500
001 1524244
005 2026-01-26
008 2001 bl uuuu u00u1 u #d
100 1 $aMONTOSSI, F.
245 $aA sheep and cattle diet selection study on a fertilized native sward in Uruguay.$h[electronic resource]
260 $aIn: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro, SP. Grassland ecosystems: an outlook into the 21st century: proceedings. Brasília, DF: Sociedade Brasileira de Zootecnia; Piracicaba: FEALQ, 2001. p. 344-345.$c2001
520 $aThis study was undertaken during winter, spring and summer 1997, located in the basaltic region of Uruguay to evaluate the effects of stocking rate (SR) and N and P fertilizer application on sward characteristics and on sheep and cattle diet selection and grazing behaviour. The treatments applied were: a) control (C; without fertilizer application using a SR of 0.9 stock units (SU)/ha), b) T1 (with N and P fertilizer application using a SR of 0.9 SU/ha), c) T2 (with N and P fertilizer application using a SR of 1.2 SU/ha) and d) T3 (with N and P fertilizer application using a SR of 1.5 SU/ha). In general, compared with C, fertilized treatments resulted in increments in sward surface height (SSH) and sheep bite weight (BW): a) winter (3, 8, 5 and 5 cm., P < 0.01; 79, 142, 139 and 92 mg DM/bite, P < 0.05), b) spring (3, 8, 5 and 6 cm., P < 0.01; 108, 188, 115 and 215 mg DM/bite, P < 0.01), and c) summer (7, 14, 11 and 8 cm., P < 0.01;146, 199, 182 and 131 mg DM/bite, P < 0.05) for C, T1, T2 and T3, respectively. In general, the nutritive value of diet selected by sheep and cattle was higher than that of the pasture on offer, and higher in sheep than in cattle: a) winter (17, 18 and 16% crude protein, CP, P < 0.05; 39, 37 and 41% acid detergent fiber, ADF, P < 0.05), b) spring (11, 14 and 11% CP, P < 0.05; 42, 33 and 37% ADF, P < 0.01), and c) summer (8, 10 and 9% CP, P < 0.05; 50, 40 and 45% ADF, P < 0.01) for pasture on offer, sheep and cattle diets, respectively. This study demonstrated the importance of fertilizing native swards to improve production, structure, nutritive value, and animal carrying capacity and animal performance. It also shows the important role that diet selection plays in determining the nutritive value of the forage eaten by sheep and cattle, and stresses the greater selective ability of sheep over cattle.
650 $aCattle
650 $aFertilizers
650 $aRuminant nutrition
650 $aSheep feeding
650 $aBovino
650 $aFertilizante
650 $aOvino
650 $aPastagem Nativa
650 $aPastejo
653 $aComportamento alimentar
653 $aDiet selection
653 $aDieta selecionada
653 $aFeeding habits
653 $aFertilizer
653 $aGrazing be
653 $aGrazing behaviour
653 $aNative pasteio
653 $aNative pastures
653 $aSelective feeding
653 $aUruguai
700 1 $aBERRETTA, E. J.
700 1 $aPIGURINA, G.
700 1 $aSANTAMARINA, I.
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