Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds
Autor(a) principal: | |
---|---|
Data de Publicação: | 2014 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Pesquisa Agropecuária Brasileira (Online) |
Texto Completo: | https://seer.sct.embrapa.br/index.php/pab/article/view/15843 |
Resumo: | Most of the North-East Brazil is a hot tropical semi-arid area and most of the Brazil's goat population (approximately 6.1 million out of 6.6) exists in this region. In the present study, five breeds were compared for their pre-natal growth. The birth weight was divided by the duration of pregnancy to obtain values of per day foetal gain, and the latter by the mother-doe's weight at parturition to calculate net per day gain per kg of dam's weight. The breeds were: indigenous -(1) Canindé-Repartida, (2) Moxotó, (3) Marota; exotic - (4) Anglo-Nubian, (5) Bhuj. The results showed that the birth weight was not strictly according to the dam's weight at parturition. Although the adult Bhuj were the heaviest followed by Anglo-Nubian and indigenous breeds, the heaviest kids were produced by Anglo-Nubian and the kids of other four breeds, including Bhuj, were much lighter and identical among themselves. This trend was also reflected in average daily gain but not in net gain. The net gain was identical in Anglo-Nubian and indigenous breeds and much lower in Bhuj. Within breeds, dams with larger size appeared to produce kids with greater birth weight and daily gain. Single born kids had a distinct advantage over kids born in multiple pregnancies in all growth traits, but sex of kid; in general, appeared to have no significant effect though the male kids in Marota and Anglo-Nubian breeds were significantly heavier to females and also had a better average daily gain. Adult body weights and gestation lengths varied between breeds but these traits were not influenced by other sources of variation. |
id |
EMBRAPA-4_b42a79e658f53860389d4bbe29538a36 |
---|---|
oai_identifier_str |
oai:ojs.seer.sct.embrapa.br:article/15843 |
network_acronym_str |
EMBRAPA-4 |
network_name_str |
Pesquisa Agropecuária Brasileira (Online) |
repository_id_str |
|
spelling |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breedsAvaliação de raças de caprinos no Nordeste do Brasil. I. Estudo das características relacionadas como nascimento de caprinos de raças nativas e exóticastropical hot semi-arid region; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-Nubian; birth weight; per day pre-natal gain; net gain per unit of body weight; gestation periodregião quente tropical semi-árida; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-nubiana; peso ao nascer; ganho pré-natal por dia; ganho líquido por unidade de peso corporal; período de gestaçãoMost of the North-East Brazil is a hot tropical semi-arid area and most of the Brazil's goat population (approximately 6.1 million out of 6.6) exists in this region. In the present study, five breeds were compared for their pre-natal growth. The birth weight was divided by the duration of pregnancy to obtain values of per day foetal gain, and the latter by the mother-doe's weight at parturition to calculate net per day gain per kg of dam's weight. The breeds were: indigenous -(1) Canindé-Repartida, (2) Moxotó, (3) Marota; exotic - (4) Anglo-Nubian, (5) Bhuj. The results showed that the birth weight was not strictly according to the dam's weight at parturition. Although the adult Bhuj were the heaviest followed by Anglo-Nubian and indigenous breeds, the heaviest kids were produced by Anglo-Nubian and the kids of other four breeds, including Bhuj, were much lighter and identical among themselves. This trend was also reflected in average daily gain but not in net gain. The net gain was identical in Anglo-Nubian and indigenous breeds and much lower in Bhuj. Within breeds, dams with larger size appeared to produce kids with greater birth weight and daily gain. Single born kids had a distinct advantage over kids born in multiple pregnancies in all growth traits, but sex of kid; in general, appeared to have no significant effect though the male kids in Marota and Anglo-Nubian breeds were significantly heavier to females and also had a better average daily gain. Adult body weights and gestation lengths varied between breeds but these traits were not influenced by other sources of variation.A maior parte da região Nordeste do Brasil é composta por uma área semi-árida tropical quente e a maioria da população de caprinos do Brasil (aproximadamente 6,1 milhões dos 6,6 milhões de caprinos existentes), encontram-se nesta região. Neste estudo, foram comparadas cinco raças de caprinos com relação ao seu crescimento pré-natal. O peso ao nascer (em kg) foi dividido pelo período de gestação (em dias) para se obter os valores do ganho de peso diário do feto, e este foi dividido pelo peso da mãe ao parto, para se obter o ganho de peso liquido diário, por kilograma do peso da mãe. As raças estudadas foram: nativas - (1) Canindé-Repartida, (2) Moxotó, (3) Marota; exóticas - (4) Anglo-nubiana, (5) Bhuj. Os resultados mostraram que o peso do cabrito ao nascer não estava estritamente relacionado com o peso da mãe ao parto. Ainda que os animais adultos da raça Bhuj fossem os mais pesados, seguidas dos Anglo-nubianos e nativos, os cabritos mais pesados foram produzidos pelas mães da raça Anglo-nubiana, e os cabritos das outras quatro raças incluindo a Bhuj, foram mais leves e semelhantes entre eles. Esta tendência se refletiu também no ganho médio diário, mas não no ganho líquido. O ganho líquido foi semelhante nas raças Anglo-nubiana e nativas, e muito mais baixo na raça Bhuj. Dentro de raça, mães com maior tamanho pareceram produzir cabritos com maior peso ao nascer e maior ganho de peso diário. Cabritos nascidos de partos simples apresentaram uma vantagem distinta sobre os cabritos nascidos de partos múltiplos, em todas as características de crescimento estudadas, mas o sexo do cabrito, em geral, pareceu não ter efeito significativo nessas características ainda que cabritos machos das raças Marota e Anglo-nubiana, fossem significativamente mais pesados do que as fêmeas e também tivessem um melhor ganho médio diário. O peso dos animais adultos e os períodos de gestação variaram entre raças, mas estas características não foram influenciadas por outras fontes de variação.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraFigueiredo, E.A.P.Simplicio, A.A.Bellaver, C.Pant, K.P.2014-04-16info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/15843Pesquisa Agropecuaria Brasileira; v.17, n.4, abr. 1982; 643-650Pesquisa Agropecuária Brasileira; v.17, n.4, abr. 1982; 643-6501678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAenghttps://seer.sct.embrapa.br/index.php/pab/article/view/15843/9914info:eu-repo/semantics/openAccess2014-04-16T13:24:13Zoai:ojs.seer.sct.embrapa.br:article/15843Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-04-16T13:24:13Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds Avaliação de raças de caprinos no Nordeste do Brasil. I. Estudo das características relacionadas como nascimento de caprinos de raças nativas e exóticas |
title |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds |
spellingShingle |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds Figueiredo, E.A.P. tropical hot semi-arid region; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-Nubian; birth weight; per day pre-natal gain; net gain per unit of body weight; gestation period região quente tropical semi-árida; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-nubiana; peso ao nascer; ganho pré-natal por dia; ganho líquido por unidade de peso corporal; período de gestação |
title_short |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds |
title_full |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds |
title_fullStr |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds |
title_full_unstemmed |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds |
title_sort |
Evaluation of goat breeds in the tropical North-East Brazil. I. A study of birth-related traits of native and exotic goat breeds |
author |
Figueiredo, E.A.P. |
author_facet |
Figueiredo, E.A.P. Simplicio, A.A. Bellaver, C. Pant, K.P. |
author_role |
author |
author2 |
Simplicio, A.A. Bellaver, C. Pant, K.P. |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
|
dc.contributor.author.fl_str_mv |
Figueiredo, E.A.P. Simplicio, A.A. Bellaver, C. Pant, K.P. |
dc.subject.por.fl_str_mv |
tropical hot semi-arid region; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-Nubian; birth weight; per day pre-natal gain; net gain per unit of body weight; gestation period região quente tropical semi-árida; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-nubiana; peso ao nascer; ganho pré-natal por dia; ganho líquido por unidade de peso corporal; período de gestação |
topic |
tropical hot semi-arid region; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-Nubian; birth weight; per day pre-natal gain; net gain per unit of body weight; gestation period região quente tropical semi-árida; Moxotó; Canindé-Repartida; Marota; Bhuj; Anglo-nubiana; peso ao nascer; ganho pré-natal por dia; ganho líquido por unidade de peso corporal; período de gestação |
description |
Most of the North-East Brazil is a hot tropical semi-arid area and most of the Brazil's goat population (approximately 6.1 million out of 6.6) exists in this region. In the present study, five breeds were compared for their pre-natal growth. The birth weight was divided by the duration of pregnancy to obtain values of per day foetal gain, and the latter by the mother-doe's weight at parturition to calculate net per day gain per kg of dam's weight. The breeds were: indigenous -(1) Canindé-Repartida, (2) Moxotó, (3) Marota; exotic - (4) Anglo-Nubian, (5) Bhuj. The results showed that the birth weight was not strictly according to the dam's weight at parturition. Although the adult Bhuj were the heaviest followed by Anglo-Nubian and indigenous breeds, the heaviest kids were produced by Anglo-Nubian and the kids of other four breeds, including Bhuj, were much lighter and identical among themselves. This trend was also reflected in average daily gain but not in net gain. The net gain was identical in Anglo-Nubian and indigenous breeds and much lower in Bhuj. Within breeds, dams with larger size appeared to produce kids with greater birth weight and daily gain. Single born kids had a distinct advantage over kids born in multiple pregnancies in all growth traits, but sex of kid; in general, appeared to have no significant effect though the male kids in Marota and Anglo-Nubian breeds were significantly heavier to females and also had a better average daily gain. Adult body weights and gestation lengths varied between breeds but these traits were not influenced by other sources of variation. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-04-16 |
dc.type.none.fl_str_mv |
|
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://seer.sct.embrapa.br/index.php/pab/article/view/15843 |
url |
https://seer.sct.embrapa.br/index.php/pab/article/view/15843 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://seer.sct.embrapa.br/index.php/pab/article/view/15843/9914 |
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 |
Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira |
publisher.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira |
dc.source.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira; v.17, n.4, abr. 1982; 643-650 Pesquisa Agropecuária Brasileira; v.17, n.4, abr. 1982; 643-650 1678-3921 0100-104x reponame:Pesquisa Agropecuária Brasileira (Online) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Pesquisa Agropecuária Brasileira (Online) |
collection |
Pesquisa Agropecuária Brasileira (Online) |
repository.name.fl_str_mv |
Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
pab@sct.embrapa.br || sct.pab@embrapa.br |
_version_ |
1793416705517551616 |