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42. | | LOPES, J. C.; SOUZA, L. T. de; ALTOÉ, M.; MARTINS FILHO, S. Qualidade fisiológica de sementes de cubiu armazenadas em diferentes embalagens. Horticultura Brasileira, Brasília, v. 22, n. 2, jul. 2004. Suplemento 2. Trabalho apresentado no 44º Congresso Brasileiro de Olericultura, 2004. Publicado também como resumo em: Horticultura Brasileira, Brasília, v. 22, n. 2, p. 467, jul. 2004. Suplemento. Biblioteca(s): Embrapa Hortaliças. |
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43. | | ARANTES, N. E.; KIIHL, R. A. S.; ALMEIDA, L. A.; MARTINS FILHO, S. Resultados preliminares de trabalhos sobre o nematoide de cisto, Heterodera glycines. obtidos em Nova Ponte, MG. In: SEMINARIO NACIONAL SOBRE O NEMATOIDE DE CISTO DA SOJA HETERODERA GLYCINES, 1., 1993, Brasilia. Anais... Brasilia: EMBRAPA-SPI, 1994. p.152-157. Biblioteca(s): Embrapa Soja. |
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44. | | PAOLINELLI, G. P.; ARANTES, N. E.; MARTINS FILHO, S. Selecao de linhagens de soja para o carater qualidade fisiologica de sementes, em duas regioes do Triangulo Mineiro. Informativo ABRATES, Londrina, v. 3, n. 3, p. 53, jun. 1993. res. 066. Resumo apresentado no VIII Congresso Brasileiro de Sementes, Foz do Iguacu, 1993. Biblioteca(s): Embrapa Soja. |
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46. | | SANTOS, V. S. dos; MARTINS FILHO, S.; SILVA, F. F. e; RESENDE, M. D. V. de. Uma aplicação do modelo de sobrevivência de Cox na seleção genômica ampla de suínos. Revista Matemática e Estatística em foco, v. 1, n. 2, 2013. Edição especial dos anais do Encontro Mineiro de Estatística, 12., 2013, Uberlândia. Resumo. Biblioteca(s): Embrapa Florestas. |
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Registros recuperados : 46 | |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite; Embrapa Rondônia. |
Data corrente: |
09/02/2017 |
Data da última atualização: |
09/02/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
PFEIFER, L. F. M.; CASTRO, N. A.; NEVES, P. M. A.; CESTARO, J. P.; SIQUEIRA, L. G. B. |
Afiliação: |
LUIZ FRANCISCO MACHADO PFEIFER, CPAF-Rondonia; Natália A. Castro, UFPel; Paulo M.A. Neves, FIMCA; Jamyle P. Cestaro, FIMCA; LUIZ GUSTAVO BRUNO SIQUEIRA, CNPGL. |
Título: |
Development and validation of an objective method for the assessment of body condition scores and selection of beef cows for timed artificial insemination. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Livestock Science, v. 197, p. 82-87, 2017. |
Idioma: |
Inglês |
Conteúdo: |
The objectives of this study were to: 1) evaluate the relationship of the angle formed between the left and right sides of the rump with body condition score (BCS) in cattle; and 2) develop an objective tool to select cows for timed artificial insemination (TAI) based on their BCS. In Experiment 1, 801 lactating Nelore cows, 3?12 years old and weighing 400?625 kg were enrolled. All females were evaluated according to BCS (scale 1?5). In addition, the angle formed between both sides of the rump was measured in all cows with a goniometer. The relationship between BCS and the rump angle was analyzed by linear regression. There was a positive relationship between BCS and rump angle (P<0.0001). The linear regression equation was angle =77.76+9.94 x BCS; R2=0.67. The aim of Experiment 2 was to evaluate BCS in a simple, direct and objective way using rump angle and related BCS to TAI performance. A device was developed called Vetscore® to determine BCS according to rump angle. Using the Vetscore, cows were classified into three different categories of BCS using a color-based method: red, BCS<2.75; green, BCS between 2.75 and 4.5; and yellow, BCS>4.5. A total of 429 Nelore suckling cows, 4?8 years old, were subjected to a TAI protocol based on estradiol benzoate, exogenous progesterone, prostaglandin F2α, equine chorionic gonadotropin and estradiol cypionate. At Day 0, all cows were evaluated with the Vetscore® and classified according to the device's BCS color scale. Pregnancy diagnosis was performed by ultrasonography 30 d after TAI. Pregnancy per AI (P/AI) was analyzed using the chi-square test. A good level of agreement was observed between Vetscore's scale and visual BCS (82.9%). Cows classified as ?green? had higher P/AI than cows classified as ?red? and ?yellow? (60.4%, 168 of 278; 42.4%, 61 of 144; and 28.6%, 2 of 7; respectively; P<0.001). These results demonstrate that Vetscore® is an efficient and low-cost methodology for the assessment of BCS and, indirectly, nutritional status of beef cows. Finally, cows classified as adequate according to Vetscore® color scale had higher P/AI at 30 d compared with those considered inadequate. MenosThe objectives of this study were to: 1) evaluate the relationship of the angle formed between the left and right sides of the rump with body condition score (BCS) in cattle; and 2) develop an objective tool to select cows for timed artificial insemination (TAI) based on their BCS. In Experiment 1, 801 lactating Nelore cows, 3?12 years old and weighing 400?625 kg were enrolled. All females were evaluated according to BCS (scale 1?5). In addition, the angle formed between both sides of the rump was measured in all cows with a goniometer. The relationship between BCS and the rump angle was analyzed by linear regression. There was a positive relationship between BCS and rump angle (P<0.0001). The linear regression equation was angle =77.76+9.94 x BCS; R2=0.67. The aim of Experiment 2 was to evaluate BCS in a simple, direct and objective way using rump angle and related BCS to TAI performance. A device was developed called Vetscore® to determine BCS according to rump angle. Using the Vetscore, cows were classified into three different categories of BCS using a color-based method: red, BCS<2.75; green, BCS between 2.75 and 4.5; and yellow, BCS>4.5. A total of 429 Nelore suckling cows, 4?8 years old, were subjected to a TAI protocol based on estradiol benzoate, exogenous progesterone, prostaglandin F2α, equine chorionic gonadotropin and estradiol cypionate. At Day 0, all cows were evaluated with the Vetscore® and classified according to the device's BCS color scale. Pregnancy... Mostrar Tudo |
Palavras-Chave: |
Fertility; Gravidez; Inseminação artificial cronometrada; Timed artificial insemination. |
Thesagro: |
Condição Corporal; Fertilidade. |
Thesaurus NAL: |
body condition; cattle; pregnancy. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/155103/1/PFEIFER-etal-LivSci-Vetscore.pdf
|
Marc: |
LEADER 03057naa a2200277 a 4500 001 2063261 005 2017-02-09 008 2017 bl uuuu u00u1 u #d 100 1 $aPFEIFER, L. F. M. 245 $aDevelopment and validation of an objective method for the assessment of body condition scores and selection of beef cows for timed artificial insemination.$h[electronic resource] 260 $c2017 520 $aThe objectives of this study were to: 1) evaluate the relationship of the angle formed between the left and right sides of the rump with body condition score (BCS) in cattle; and 2) develop an objective tool to select cows for timed artificial insemination (TAI) based on their BCS. In Experiment 1, 801 lactating Nelore cows, 3?12 years old and weighing 400?625 kg were enrolled. All females were evaluated according to BCS (scale 1?5). In addition, the angle formed between both sides of the rump was measured in all cows with a goniometer. The relationship between BCS and the rump angle was analyzed by linear regression. There was a positive relationship between BCS and rump angle (P<0.0001). The linear regression equation was angle =77.76+9.94 x BCS; R2=0.67. The aim of Experiment 2 was to evaluate BCS in a simple, direct and objective way using rump angle and related BCS to TAI performance. A device was developed called Vetscore® to determine BCS according to rump angle. Using the Vetscore, cows were classified into three different categories of BCS using a color-based method: red, BCS<2.75; green, BCS between 2.75 and 4.5; and yellow, BCS>4.5. A total of 429 Nelore suckling cows, 4?8 years old, were subjected to a TAI protocol based on estradiol benzoate, exogenous progesterone, prostaglandin F2α, equine chorionic gonadotropin and estradiol cypionate. At Day 0, all cows were evaluated with the Vetscore® and classified according to the device's BCS color scale. Pregnancy diagnosis was performed by ultrasonography 30 d after TAI. Pregnancy per AI (P/AI) was analyzed using the chi-square test. A good level of agreement was observed between Vetscore's scale and visual BCS (82.9%). Cows classified as ?green? had higher P/AI than cows classified as ?red? and ?yellow? (60.4%, 168 of 278; 42.4%, 61 of 144; and 28.6%, 2 of 7; respectively; P<0.001). These results demonstrate that Vetscore® is an efficient and low-cost methodology for the assessment of BCS and, indirectly, nutritional status of beef cows. Finally, cows classified as adequate according to Vetscore® color scale had higher P/AI at 30 d compared with those considered inadequate. 650 $abody condition 650 $acattle 650 $apregnancy 650 $aCondição Corporal 650 $aFertilidade 653 $aFertility 653 $aGravidez 653 $aInseminação artificial cronometrada 653 $aTimed artificial insemination 700 1 $aCASTRO, N. A. 700 1 $aNEVES, P. M. A. 700 1 $aCESTARO, J. P. 700 1 $aSIQUEIRA, L. G. B. 773 $tLivestock Science$gv. 197, p. 82-87, 2017.
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