Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Saúde e Produção Animal |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402017000400576 |
Resumo: | SUMMARY The objective of this study was to evaluate the effects of two protein levels in mineral-protein-energy supplements on the productivity and economic performance of Nellore steers. Ninety animals weighing 382.35±32.95 kg on average, were treated with mineral-nitrogen supplements containing 30% crude proteins (CP; 75% ground maize, 8.91 % urea and 16.09% mineral) and 40% CP (66.67 % ground maize, 11.90% urea, and 21.43% mineral). The animals were housed in two paddocks of Uruchloa brizantha ‘MG-5’ (syn. Brachiaria brizantha) and were weighed at the beginning, at 45 days, and at 94 days of the experiment, when they were slaughtered at an average weight of 451±35.38 kg. We evaluated supplement intake, weight gain and economic aspects. The 40 and 30% CP treatments significantly affected supplement intake (P<0.05), with averages of 0.69 and 2.26 kg/day, respectively. The average total weight gain was higher (P<0.01) in animals receiving the supplement containing 30 % CP (71.46 kg / animal) than in animals receiving 40% CP (64.33 kg/animal). Greater slaughter weight was attained in the animals treated with 30% CP (456.66 vs. 443.84 kg). The mineral-nitrogen supplementation in both CP levels provided satisfactory animal performance and carcass characteristics. Owing to economic considerations, it is recommended to use 40% CP mineral-nitrogen supplements on finishing steers on pasture, although success in reducing production costs of livestock ultimately depends on the variations in prices between the different regions of the country and market opportunities. |
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Mineral-nitrogen supplementation to finishing Nellore steers in deferred pastureBrachiariacostsNelloreperformanceUruchloaSUMMARY The objective of this study was to evaluate the effects of two protein levels in mineral-protein-energy supplements on the productivity and economic performance of Nellore steers. Ninety animals weighing 382.35±32.95 kg on average, were treated with mineral-nitrogen supplements containing 30% crude proteins (CP; 75% ground maize, 8.91 % urea and 16.09% mineral) and 40% CP (66.67 % ground maize, 11.90% urea, and 21.43% mineral). The animals were housed in two paddocks of Uruchloa brizantha ‘MG-5’ (syn. Brachiaria brizantha) and were weighed at the beginning, at 45 days, and at 94 days of the experiment, when they were slaughtered at an average weight of 451±35.38 kg. We evaluated supplement intake, weight gain and economic aspects. The 40 and 30% CP treatments significantly affected supplement intake (P<0.05), with averages of 0.69 and 2.26 kg/day, respectively. The average total weight gain was higher (P<0.01) in animals receiving the supplement containing 30 % CP (71.46 kg / animal) than in animals receiving 40% CP (64.33 kg/animal). Greater slaughter weight was attained in the animals treated with 30% CP (456.66 vs. 443.84 kg). The mineral-nitrogen supplementation in both CP levels provided satisfactory animal performance and carcass characteristics. Owing to economic considerations, it is recommended to use 40% CP mineral-nitrogen supplements on finishing steers on pasture, although success in reducing production costs of livestock ultimately depends on the variations in prices between the different regions of the country and market opportunities.UFBA - Universidade Federal da Bahia2017-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402017000400576Revista Brasileira de Saúde e Produção Animal v.18 n.4 2017reponame:Revista Brasileira de Saúde e Produção Animalinstname:Universidade Federal da Bahia (UFBA)instacron:UFBA10.1590/s1519-99402017000400008info:eu-repo/semantics/openAccessÍtavo,Luis Carlos VinhasDias,Alexandre MenezesÍtavo,Camila Celeste Brandão FerreiraFranco,Gumercindo LorianoMorais,Maria da GraçaSouza,Andréa Roberto Duarte LopesNogueira,ÉriklisMateus,Rodrigo GonçalvesAraujo,Hilda SilvaMoraes,Gabriella Jorgetti deCosta,Marlova Cristina Mioto daGuimarães-Inácio,AlexandreNiwa,Marcus Vinicius Garciaeng2018-01-23T00:00:00Zoai:scielo:S1519-99402017000400576Revistahttp://www.rbspa.ufba.br/PUBhttps://old.scielo.br/oai/scielo-oai.php||rbspa@ufba.br1519-99401519-9940opendoar:2018-01-23T00:00Revista Brasileira de Saúde e Produção Animal - Universidade Federal da Bahia (UFBA)false |
dc.title.none.fl_str_mv |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture |
title |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture |
spellingShingle |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture Ítavo,Luis Carlos Vinhas Brachiaria costs Nellore performance Uruchloa |
title_short |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture |
title_full |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture |
title_fullStr |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture |
title_full_unstemmed |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture |
title_sort |
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture |
author |
Ítavo,Luis Carlos Vinhas |
author_facet |
Ítavo,Luis Carlos Vinhas Dias,Alexandre Menezes Ítavo,Camila Celeste Brandão Ferreira Franco,Gumercindo Loriano Morais,Maria da Graça Souza,Andréa Roberto Duarte Lopes Nogueira,Ériklis Mateus,Rodrigo Gonçalves Araujo,Hilda Silva Moraes,Gabriella Jorgetti de Costa,Marlova Cristina Mioto da Guimarães-Inácio,Alexandre Niwa,Marcus Vinicius Garcia |
author_role |
author |
author2 |
Dias,Alexandre Menezes Ítavo,Camila Celeste Brandão Ferreira Franco,Gumercindo Loriano Morais,Maria da Graça Souza,Andréa Roberto Duarte Lopes Nogueira,Ériklis Mateus,Rodrigo Gonçalves Araujo,Hilda Silva Moraes,Gabriella Jorgetti de Costa,Marlova Cristina Mioto da Guimarães-Inácio,Alexandre Niwa,Marcus Vinicius Garcia |
author2_role |
author author author author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Ítavo,Luis Carlos Vinhas Dias,Alexandre Menezes Ítavo,Camila Celeste Brandão Ferreira Franco,Gumercindo Loriano Morais,Maria da Graça Souza,Andréa Roberto Duarte Lopes Nogueira,Ériklis Mateus,Rodrigo Gonçalves Araujo,Hilda Silva Moraes,Gabriella Jorgetti de Costa,Marlova Cristina Mioto da Guimarães-Inácio,Alexandre Niwa,Marcus Vinicius Garcia |
dc.subject.por.fl_str_mv |
Brachiaria costs Nellore performance Uruchloa |
topic |
Brachiaria costs Nellore performance Uruchloa |
description |
SUMMARY The objective of this study was to evaluate the effects of two protein levels in mineral-protein-energy supplements on the productivity and economic performance of Nellore steers. Ninety animals weighing 382.35±32.95 kg on average, were treated with mineral-nitrogen supplements containing 30% crude proteins (CP; 75% ground maize, 8.91 % urea and 16.09% mineral) and 40% CP (66.67 % ground maize, 11.90% urea, and 21.43% mineral). The animals were housed in two paddocks of Uruchloa brizantha ‘MG-5’ (syn. Brachiaria brizantha) and were weighed at the beginning, at 45 days, and at 94 days of the experiment, when they were slaughtered at an average weight of 451±35.38 kg. We evaluated supplement intake, weight gain and economic aspects. The 40 and 30% CP treatments significantly affected supplement intake (P<0.05), with averages of 0.69 and 2.26 kg/day, respectively. The average total weight gain was higher (P<0.01) in animals receiving the supplement containing 30 % CP (71.46 kg / animal) than in animals receiving 40% CP (64.33 kg/animal). Greater slaughter weight was attained in the animals treated with 30% CP (456.66 vs. 443.84 kg). The mineral-nitrogen supplementation in both CP levels provided satisfactory animal performance and carcass characteristics. Owing to economic considerations, it is recommended to use 40% CP mineral-nitrogen supplements on finishing steers on pasture, although success in reducing production costs of livestock ultimately depends on the variations in prices between the different regions of the country and market opportunities. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-12-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402017000400576 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402017000400576 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/s1519-99402017000400008 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
UFBA - Universidade Federal da Bahia |
publisher.none.fl_str_mv |
UFBA - Universidade Federal da Bahia |
dc.source.none.fl_str_mv |
Revista Brasileira de Saúde e Produção Animal v.18 n.4 2017 reponame:Revista Brasileira de Saúde e Produção Animal instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
instname_str |
Universidade Federal da Bahia (UFBA) |
instacron_str |
UFBA |
institution |
UFBA |
reponame_str |
Revista Brasileira de Saúde e Produção Animal |
collection |
Revista Brasileira de Saúde e Produção Animal |
repository.name.fl_str_mv |
Revista Brasileira de Saúde e Produção Animal - Universidade Federal da Bahia (UFBA) |
repository.mail.fl_str_mv |
||rbspa@ufba.br |
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1750297508249075712 |