Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle
Changes in the ruminal environment of cattle supplemented with corn silage (CS) before alfalfa grazing, in relation to the occurrence of frothy bloat, were evaluated. Six ruminally fistulated heifers were used in a crossover design experiment for in situ determinations and as a source of rumen fluid for in vitro measurements. Alfalfa pasture was grazed at the vegetative stage in a rotational grazing system. Treatments were—C: no supplement; CS: 0.5 kg of CS dry matter/100 kg body weight. CS supplementation reduced (P<0.05) the frequency and severity of frothy bloat. From the sixth hour until the end of the incubation at 12 h, in vitro microbial gas production using alfalfa leaflets as substrate was lower in rumen fluids from CS supplemented heifers. Bacterial mass in the liquid phase of ruminal contents, and in situ microbial colonization of particles entering the rumen did not differ. Only at 4 h post-grazing was proteolysis reduced (P<0.05) for both treatments. The anti-bloat mechanisms of CS were not completely identified, however we confirmed that CS supplementation before alfalfa grazing is a reliable management practice to reduce frothy bloat.
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Elsevier
2007-07
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Subjects: | Ganado Bovino, Ensilaje, Maíz, Medicago Sativa, Meteorismo, Pastoreo, Cattle, Silage Making, Maize, Bloat, Grazing, Alfalfa, |
Online Access: | http://hdl.handle.net/20.500.12123/15581 https://www.sciencedirect.com/science/article/pii/S0377840106003385 https://doi.org/10.1016/j.anifeedsci.2006.08.019 |
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oai:localhost:20.500.12123-155812023-10-18T16:48:53Z Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle Bretschneider, Gustavo Peralta, M. Santini, Francisco Jose Fay, Jose Patricio Faverin, Claudia Ganado Bovino Ensilaje Maíz Medicago Sativa Meteorismo Pastoreo Cattle Silage Making Maize Bloat Grazing Alfalfa Changes in the ruminal environment of cattle supplemented with corn silage (CS) before alfalfa grazing, in relation to the occurrence of frothy bloat, were evaluated. Six ruminally fistulated heifers were used in a crossover design experiment for in situ determinations and as a source of rumen fluid for in vitro measurements. Alfalfa pasture was grazed at the vegetative stage in a rotational grazing system. Treatments were—C: no supplement; CS: 0.5 kg of CS dry matter/100 kg body weight. CS supplementation reduced (P<0.05) the frequency and severity of frothy bloat. From the sixth hour until the end of the incubation at 12 h, in vitro microbial gas production using alfalfa leaflets as substrate was lower in rumen fluids from CS supplemented heifers. Bacterial mass in the liquid phase of ruminal contents, and in situ microbial colonization of particles entering the rumen did not differ. Only at 4 h post-grazing was proteolysis reduced (P<0.05) for both treatments. The anti-bloat mechanisms of CS were not completely identified, however we confirmed that CS supplementation before alfalfa grazing is a reliable management practice to reduce frothy bloat. EEA Balcarce Fil: Bretschneider, Gustavo. Universidad de Nebraska. Departamento de Ciencias Veterinarias y Biomédicas; Estados Unidos. Fil: Peralta, M. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Santini, F.J. Instituto Nacional de Tecnología Agropecuaria (INTA) Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Santini, F.J. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Fay, J.P. Instituto Nacional de Tecnología Agropecuaria (INTA) Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Fay, J.P. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Faverin, Claudia. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales; Argentina. 2023-10-18T16:43:29Z 2023-10-18T16:43:29Z 2007-07 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/15581 https://www.sciencedirect.com/science/article/pii/S0377840106003385 0377-8401 (print) 1873-2216 (online) https://doi.org/10.1016/j.anifeedsci.2006.08.019 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Elsevier Animal Feed Science and Technology 136 (1–2) : 23-37 (July 2007) |
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Ganado Bovino Ensilaje Maíz Medicago Sativa Meteorismo Pastoreo Cattle Silage Making Maize Bloat Grazing Alfalfa Ganado Bovino Ensilaje Maíz Medicago Sativa Meteorismo Pastoreo Cattle Silage Making Maize Bloat Grazing Alfalfa |
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Ganado Bovino Ensilaje Maíz Medicago Sativa Meteorismo Pastoreo Cattle Silage Making Maize Bloat Grazing Alfalfa Ganado Bovino Ensilaje Maíz Medicago Sativa Meteorismo Pastoreo Cattle Silage Making Maize Bloat Grazing Alfalfa Bretschneider, Gustavo Peralta, M. Santini, Francisco Jose Fay, Jose Patricio Faverin, Claudia Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle |
description |
Changes in the ruminal environment of cattle supplemented with corn silage (CS) before alfalfa grazing, in relation to the occurrence of frothy bloat, were evaluated. Six ruminally fistulated heifers were used in a crossover design experiment for in situ determinations and as a source of rumen fluid for in vitro measurements. Alfalfa pasture was grazed at the vegetative stage in a rotational grazing system. Treatments were—C: no supplement; CS: 0.5 kg of CS dry matter/100 kg body weight. CS supplementation reduced (P<0.05) the frequency and severity of frothy bloat. From the sixth hour until the end of the incubation at 12 h, in vitro microbial gas production using alfalfa leaflets as substrate was lower in rumen fluids from CS supplemented heifers. Bacterial mass in the liquid phase of ruminal contents, and in situ microbial colonization of particles entering the rumen did not differ. Only at 4 h post-grazing was proteolysis reduced (P<0.05) for both treatments. The anti-bloat mechanisms of CS were not completely identified, however we confirmed that CS supplementation before alfalfa grazing is a reliable management practice to reduce frothy bloat. |
format |
info:ar-repo/semantics/artículo |
topic_facet |
Ganado Bovino Ensilaje Maíz Medicago Sativa Meteorismo Pastoreo Cattle Silage Making Maize Bloat Grazing Alfalfa |
author |
Bretschneider, Gustavo Peralta, M. Santini, Francisco Jose Fay, Jose Patricio Faverin, Claudia |
author_facet |
Bretschneider, Gustavo Peralta, M. Santini, Francisco Jose Fay, Jose Patricio Faverin, Claudia |
author_sort |
Bretschneider, Gustavo |
title |
Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle |
title_short |
Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle |
title_full |
Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle |
title_fullStr |
Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle |
title_full_unstemmed |
Influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle |
title_sort |
influence of corn silage supplementation before alfalfa grazing on ruminal environment in relation to the occurrence of frothy bloat in cattle |
publisher |
Elsevier |
publishDate |
2007-07 |
url |
http://hdl.handle.net/20.500.12123/15581 https://www.sciencedirect.com/science/article/pii/S0377840106003385 https://doi.org/10.1016/j.anifeedsci.2006.08.019 |
work_keys_str_mv |
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