Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s11250-015-0967-4 http://hdl.handle.net/11449/172473 |
Resumo: | Manufacturing and marketing of mineral mixtures with less than 40 g kg−1 phosphorus (P) is prohibited under Brazilian regulations, although scientific evidence rejects this recommendation. Considering the hypothesis that P levels in commercial mineral supplements can be reduced without affecting animal performance and health, the objective of this experiment was to evaluate the effects of reducing the concentration of P in the mineral supplement (from 40 to 18 g kg−1) of a herd of beef cows grazing tropical pastures of signal grass (Urochloa decumbens). The experiment was carried out in the savanna region of Mato Grosso do Sul, Brazil, during the years 2011 to 2013. Variables analyzed included pregnancy rate, calving interval, weight of calves at weaning, and cost of mineral supplementation. There were no changes in the reproductive parameters of the herd and the weight at weaning of the calves. However, the cost of mineral supplementation was significantly lower when the herd was supplemented with the mineral mix containing only 18 g kg−1 P. Phosphorus concentration of the forage was analyzed monthly during 1 year and averaged 1.9 ± 0.45 g kg−1 DM. Thus, it appears possible to reduce P content and cost of mineral supplementation without any adverse effects on the health and productivity of beef cattle herds in the State of Mato Grosso do Sul. However, the final decision should be made based on the clinical-nutritional examination and by constant technical assistance to the farm. |
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Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbensBeef cattleCost of mineral supplementationPhosphorusManufacturing and marketing of mineral mixtures with less than 40 g kg−1 phosphorus (P) is prohibited under Brazilian regulations, although scientific evidence rejects this recommendation. Considering the hypothesis that P levels in commercial mineral supplements can be reduced without affecting animal performance and health, the objective of this experiment was to evaluate the effects of reducing the concentration of P in the mineral supplement (from 40 to 18 g kg−1) of a herd of beef cows grazing tropical pastures of signal grass (Urochloa decumbens). The experiment was carried out in the savanna region of Mato Grosso do Sul, Brazil, during the years 2011 to 2013. Variables analyzed included pregnancy rate, calving interval, weight of calves at weaning, and cost of mineral supplementation. There were no changes in the reproductive parameters of the herd and the weight at weaning of the calves. However, the cost of mineral supplementation was significantly lower when the herd was supplemented with the mineral mix containing only 18 g kg−1 P. Phosphorus concentration of the forage was analyzed monthly during 1 year and averaged 1.9 ± 0.45 g kg−1 DM. Thus, it appears possible to reduce P content and cost of mineral supplementation without any adverse effects on the health and productivity of beef cattle herds in the State of Mato Grosso do Sul. However, the final decision should be made based on the clinical-nutritional examination and by constant technical assistance to the farm.Êxito Rural Consultoria em Pecuária, Av.Mário Covas 2747DAPSA FMVA UNESPDepartamento de Zootecnia UNESPDNAP IZ UFRRJDAPSA FMVA UNESPDepartamento de Zootecnia UNESPÊxito Rural Consultoria em PecuáriaUniversidade Estadual Paulista (Unesp)UFRRJCosta, Rogério MagnoliPonsano, Elisa Helena Giglio [UNESP]de Souza, Vinícius Carneiro [UNESP]Malafaia, Pedro2018-12-11T17:00:33Z2018-12-11T17:00:33Z2016-02-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article417-422application/pdfhttp://dx.doi.org/10.1007/s11250-015-0967-4Tropical Animal Health and Production, v. 48, n. 2, p. 417-422, 2016.1573-74380049-4747http://hdl.handle.net/11449/17247310.1007/s11250-015-0967-42-s2.0-849557058802-s2.0-84955705880.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengTropical Animal Health and Production0,5110,511info:eu-repo/semantics/openAccess2024-09-04T19:15:38Zoai:repositorio.unesp.br:11449/172473Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462024-09-04T19:15:38Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens |
title |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens |
spellingShingle |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens Costa, Rogério Magnoli Beef cattle Cost of mineral supplementation Phosphorus |
title_short |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens |
title_full |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens |
title_fullStr |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens |
title_full_unstemmed |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens |
title_sort |
Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens |
author |
Costa, Rogério Magnoli |
author_facet |
Costa, Rogério Magnoli Ponsano, Elisa Helena Giglio [UNESP] de Souza, Vinícius Carneiro [UNESP] Malafaia, Pedro |
author_role |
author |
author2 |
Ponsano, Elisa Helena Giglio [UNESP] de Souza, Vinícius Carneiro [UNESP] Malafaia, Pedro |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Êxito Rural Consultoria em Pecuária Universidade Estadual Paulista (Unesp) UFRRJ |
dc.contributor.author.fl_str_mv |
Costa, Rogério Magnoli Ponsano, Elisa Helena Giglio [UNESP] de Souza, Vinícius Carneiro [UNESP] Malafaia, Pedro |
dc.subject.por.fl_str_mv |
Beef cattle Cost of mineral supplementation Phosphorus |
topic |
Beef cattle Cost of mineral supplementation Phosphorus |
description |
Manufacturing and marketing of mineral mixtures with less than 40 g kg−1 phosphorus (P) is prohibited under Brazilian regulations, although scientific evidence rejects this recommendation. Considering the hypothesis that P levels in commercial mineral supplements can be reduced without affecting animal performance and health, the objective of this experiment was to evaluate the effects of reducing the concentration of P in the mineral supplement (from 40 to 18 g kg−1) of a herd of beef cows grazing tropical pastures of signal grass (Urochloa decumbens). The experiment was carried out in the savanna region of Mato Grosso do Sul, Brazil, during the years 2011 to 2013. Variables analyzed included pregnancy rate, calving interval, weight of calves at weaning, and cost of mineral supplementation. There were no changes in the reproductive parameters of the herd and the weight at weaning of the calves. However, the cost of mineral supplementation was significantly lower when the herd was supplemented with the mineral mix containing only 18 g kg−1 P. Phosphorus concentration of the forage was analyzed monthly during 1 year and averaged 1.9 ± 0.45 g kg−1 DM. Thus, it appears possible to reduce P content and cost of mineral supplementation without any adverse effects on the health and productivity of beef cattle herds in the State of Mato Grosso do Sul. However, the final decision should be made based on the clinical-nutritional examination and by constant technical assistance to the farm. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-02-01 2018-12-11T17:00:33Z 2018-12-11T17:00:33Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/s11250-015-0967-4 Tropical Animal Health and Production, v. 48, n. 2, p. 417-422, 2016. 1573-7438 0049-4747 http://hdl.handle.net/11449/172473 10.1007/s11250-015-0967-4 2-s2.0-84955705880 2-s2.0-84955705880.pdf |
url |
http://dx.doi.org/10.1007/s11250-015-0967-4 http://hdl.handle.net/11449/172473 |
identifier_str_mv |
Tropical Animal Health and Production, v. 48, n. 2, p. 417-422, 2016. 1573-7438 0049-4747 10.1007/s11250-015-0967-4 2-s2.0-84955705880 2-s2.0-84955705880.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Tropical Animal Health and Production 0,511 0,511 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
417-422 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
repositoriounesp@unesp.br |
_version_ |
1810021392572219392 |