INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE

Detalhes bibliográficos
Autor(a) principal: Lopes, Marcos Aurélio
Data de Publicação: 2009
Outros Autores: Cardoso, Milton Ghedini, Demeu, Fabiana Alves
Tipo de documento: Artigo
Idioma: por
Título da fonte: Ciência animal brasileira (Online)
Texto Completo: https://revistas.ufg.br/vet/article/view/1661
Resumo: The aim of this work was to analyze the influence of different zoo technical indexes in the composition and evolution of dairy cattle through the years. Two hundred forty herds were simulated by combinations among the zoo technical indexes ages at the first birth (24,30 and 36 months), birthrate (100%, 90%, 80%, 70% and 60%), culling  (10%, 15%, 20% and 25%) and the female death rate from 0 to 1 year old, 1 to 2, 2 to 3 (3%, 6%, 9%, 12%, 2%, 4%, 6%, 8%, 1%, 2%, 3% and 4%, respectively). For the simulations of herd evolutions, the Computational System for Measurements and Evolution of Beef Cattle software was used. It was applied in the statistical analysis Kruskal-Wallis non-parametrical statistic, through NPAR1WAY procedure. Having observed significance in Kruskal-Wallis test, MULTTEST procedure was applied to verify the difference among the averages by the contrast. It was concluded the appropriate gaining of zoo technical indexes in the raise of dairy cattle influences the composition and evolution of herds, being the birthrate the most responsible for the herd evolution, followed by age at first birth, culling and death rates.KEY WORDS: Dairy cattle, herd planning, reproductive efficiency, simulation.
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spelling INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLEINFLUÊNCIA DE DIFERENTES ÍNDICES ZOOTÉCNICOS NA COMPOSIÇÃO E EVOLUÇÃO DE REBANHOS BOVINOS LEITEIROSbovinocultura de leiteeficiência reprodutivaplanejamento de rebanhossimulaçãoThe aim of this work was to analyze the influence of different zoo technical indexes in the composition and evolution of dairy cattle through the years. Two hundred forty herds were simulated by combinations among the zoo technical indexes ages at the first birth (24,30 and 36 months), birthrate (100%, 90%, 80%, 70% and 60%), culling  (10%, 15%, 20% and 25%) and the female death rate from 0 to 1 year old, 1 to 2, 2 to 3 (3%, 6%, 9%, 12%, 2%, 4%, 6%, 8%, 1%, 2%, 3% and 4%, respectively). For the simulations of herd evolutions, the Computational System for Measurements and Evolution of Beef Cattle software was used. It was applied in the statistical analysis Kruskal-Wallis non-parametrical statistic, through NPAR1WAY procedure. Having observed significance in Kruskal-Wallis test, MULTTEST procedure was applied to verify the difference among the averages by the contrast. It was concluded the appropriate gaining of zoo technical indexes in the raise of dairy cattle influences the composition and evolution of herds, being the birthrate the most responsible for the herd evolution, followed by age at first birth, culling and death rates.KEY WORDS: Dairy cattle, herd planning, reproductive efficiency, simulation.Este trabalho teve por objetivo analisar a influência de diferentes índices zootécnicos na composição e evolução de rebanhos leiteiros ao longo dos anos. Foram simulados 240 rebanhos através da combinação dos índices zootécnicos idade ao primeiro parto (24, 30 e 36 meses), taxa de natalidade (100%, 90%, 80%, 70% e 60%), taxa de descarte (10%, 15%, 20% e 25%) e taxa de mortalidade de fêmeas com idade de 0 a 1 ano, 1 a 2 anos, 2 a 3 anos (3%, 6%, 9%; 12%, 2%, 4%; 6%, 8%, 1%, 2%, 3% e 4%, respectivamente). Para efetuar as simulações das evoluções dos rebanhos foi utilizado o software Sistema Computacional para Dimensionamento e Evolução de Rebanhos Bovinos. Aplicou-se a estatística não paramétrica de Kruskal-Wallis, através do procedimento NPAR1WAY. Ao ser observada significância no teste Kruskal-Wallis, aplicou-se o procedimento MULTTEST, para verificar a diferença entre as médias através de contraste. Conclui-se que a obtenção de índices zootécnicos adequados na criação de bovinos de leite influencia na composição e evolução dos rebanhos, sendo a taxa de natalidade a maior responsável na evolução dos rebanhos, seguido pela idade ao primeiro parto, taxa de descarte e taxa de mortalidade.PALAVRAS-CHAVES: Bovinocultura de leite, eficiência reprodutiva, planejamento de rebanhos, simulação.Universidade Federal de Goiás2009-07-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por paresPesquisa Cientificaapplication/pdfhttps://revistas.ufg.br/vet/article/view/166110.5216/cab.v10i2.1661Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 10 No. 2 (2009); 446-453Ciência Animal Brasileira / Brazilian Animal Science; v. 10 n. 2 (2009); 446-4531809-68911518-2797reponame:Ciência animal brasileira (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGporhttps://revistas.ufg.br/vet/article/view/1661/4833Lopes, Marcos AurélioCardoso, Milton GhediniDemeu, Fabiana Alvesinfo:eu-repo/semantics/openAccess2009-07-03T14:37:09Zoai:ojs.revistas.ufg.br:article/1661Revistahttps://revistas.ufg.br/vetPUBhttps://revistas.ufg.br/vet/oai||revistacab@gmail.com1809-68911518-2797opendoar:2024-05-21T19:54:56.996147Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
INFLUÊNCIA DE DIFERENTES ÍNDICES ZOOTÉCNICOS NA COMPOSIÇÃO E EVOLUÇÃO DE REBANHOS BOVINOS LEITEIROS
title INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
spellingShingle INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
Lopes, Marcos Aurélio
bovinocultura de leite
eficiência reprodutiva
planejamento de rebanhos
simulação
title_short INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
title_full INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
title_fullStr INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
title_full_unstemmed INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
title_sort INFLUENCE OF DIFFERENT ZOO TECHNICAL INDEXES IN THE COMPOSITION AND EVOLUTION OF DAIRY CATTLE
author Lopes, Marcos Aurélio
author_facet Lopes, Marcos Aurélio
Cardoso, Milton Ghedini
Demeu, Fabiana Alves
author_role author
author2 Cardoso, Milton Ghedini
Demeu, Fabiana Alves
author2_role author
author
dc.contributor.author.fl_str_mv Lopes, Marcos Aurélio
Cardoso, Milton Ghedini
Demeu, Fabiana Alves
dc.subject.por.fl_str_mv bovinocultura de leite
eficiência reprodutiva
planejamento de rebanhos
simulação
topic bovinocultura de leite
eficiência reprodutiva
planejamento de rebanhos
simulação
description The aim of this work was to analyze the influence of different zoo technical indexes in the composition and evolution of dairy cattle through the years. Two hundred forty herds were simulated by combinations among the zoo technical indexes ages at the first birth (24,30 and 36 months), birthrate (100%, 90%, 80%, 70% and 60%), culling  (10%, 15%, 20% and 25%) and the female death rate from 0 to 1 year old, 1 to 2, 2 to 3 (3%, 6%, 9%, 12%, 2%, 4%, 6%, 8%, 1%, 2%, 3% and 4%, respectively). For the simulations of herd evolutions, the Computational System for Measurements and Evolution of Beef Cattle software was used. It was applied in the statistical analysis Kruskal-Wallis non-parametrical statistic, through NPAR1WAY procedure. Having observed significance in Kruskal-Wallis test, MULTTEST procedure was applied to verify the difference among the averages by the contrast. It was concluded the appropriate gaining of zoo technical indexes in the raise of dairy cattle influences the composition and evolution of herds, being the birthrate the most responsible for the herd evolution, followed by age at first birth, culling and death rates.KEY WORDS: Dairy cattle, herd planning, reproductive efficiency, simulation.
publishDate 2009
dc.date.none.fl_str_mv 2009-07-02
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Avaliado por pares
Pesquisa Cientifica
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufg.br/vet/article/view/1661
10.5216/cab.v10i2.1661
url https://revistas.ufg.br/vet/article/view/1661
identifier_str_mv 10.5216/cab.v10i2.1661
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://revistas.ufg.br/vet/article/view/1661/4833
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Goiás
publisher.none.fl_str_mv Universidade Federal de Goiás
dc.source.none.fl_str_mv Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 10 No. 2 (2009); 446-453
Ciência Animal Brasileira / Brazilian Animal Science; v. 10 n. 2 (2009); 446-453
1809-6891
1518-2797
reponame:Ciência animal brasileira (Online)
instname:Universidade Federal de Goiás (UFG)
instacron:UFG
instname_str Universidade Federal de Goiás (UFG)
instacron_str UFG
institution UFG
reponame_str Ciência animal brasileira (Online)
collection Ciência animal brasileira (Online)
repository.name.fl_str_mv Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)
repository.mail.fl_str_mv ||revistacab@gmail.com
_version_ 1799874783485100032