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Registros recuperados: 12
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An approximate multitrait model for genetic evaluation in dairy cattle with a robust estimation of genetic trends Inra
Lassen; Sorensen, Kargo; Madsen; Ducrocq, V..
Tipo: Journal Article Palavras-chave: Stochastic simulation; Multi-trait model; Genetic evaluation.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200796c7195d&uri=/notices/prodinra1/2009/12/
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Cytogenetic and teratological effects of mancozeb pre natal exposure on rats. Repositório Alice
CASTRO, V. L. S. S. de; TAMBASCO, A. J.; PARAIBA, L. C.; TAMBASCO, D. D..
bitstream/item/196240/1/1999AP-Castro-Cytogenetic.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Prenatal exposure; Genetic evaluation; Mancozeb; Rats; Postnatal development.
Ano: 1999 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1108446
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Estimation of genetic parameters for weight at birth and 365 days in Nellore cattle reared in the north of Brazil. Repositório Alice
EVANGELISTA, A. F.; MALHADO, C. H. M.; CAVALCANTE, D. H.; FONSECA, W. J. L.; CAMPELO, J. E. G.; CARVALHO, G. M. C.; SOUSA JÚNIOR, S. C. de..
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Correlação; Avaliação genética; Hereditariedade; Zebu; Correlation; Genetic evaluation; Heritability.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1073249
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Field genetic evaluation of beef cattle in France: from birth to slaughterhouse Inra
Laloë, D.; Fouilloux; Guerrier.
Tipo: Conference Proceedings Palavras-chave: Genetic evaluation; Beef cattle.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007989807b1&uri=/notices/prodinra1/2007/12/
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Genetic and environmental effects on scores of conformation, precocity and muscling in long yearling Nellore cattle Repositório Alice
BARROZO, D.; MATTAR, M.; THOLON, P.; OLIVEIRA, J. A. de; SCALEZ, D. C. B.; QUEIROZ, S. A. de.
2015
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Calving age; Genetic evaluation; Heritability.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1035433
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Genomics in the United States beef industry. Repositório Alice
ROFL, M. M.; DECKER, J. E.; McKAY, S. D.; TIZIOTO, P. C.; BRANHAM, K. A.; WHITACRE, L. K.; HOFF, J. L.; REGITANO, L. C. de A.; TAYLOR, J. F..
While genetic evaluation systems which combine performance records and pedigree data have been utilized n the beef industry forover four decades,the incorporation of genomic information into genetic evaluation, and the effective implementation of genomic tools with in the industry is relatively novel. Genomic technologies have been effectively deployed in the dairy, swine, and poultry industries;however, the beef industry possesses unique challenges for technology transfer. In this paper, we discuss the current limitations of genomic technologies and hindr0ances to the transfer of these technologies to the beef industry, while also considering opportunities for improved genomic and epigenomic tools needed to surmount barriers to technology adoption.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Beef cattle; Bovine; Genomics selection; Genetic evaluation.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1002780
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Interação genótipo x ambiente via modelos de normas de reação para características de crescimento em bovinos Nelore. Repositório Alice
AMBROSINI, D. P.; MALHADO, C. H. M.; MARTINS FILHO, R.; CARNEIRO, P. L. S..
O objetivo deste trabalho foi avaliar a sensibilidade ao ambiente em bovinos da raça Nelore por meio de diferentes modelos de normas de reação e estimar o progresso genético no gradiente ambiental. Determinaram-se os parâmetros ganho de peso da desmama ao sobreano (GP345) e o peso ajustado aos 205 dias de idade (P205). Um modelo animal padrão (MA), dois modelos hierárquicos de normas de reação com homocedasticidade de variância residual e dois com heterogeneidade foram utilizados. O modelo hierárquico de normas de reação homocedástico com um passo apresentou o melhor ajuste. Os coeficientes de herdabilidade diretos do ambiente baixo para o ambiente alto, no gradiente ambiental, foram de 0,03 a 0,63 e de 0,13 a 0,62, respectivamente, para GP345 e P205. As...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Avaliação genética; Correlação genética; Plasticidade fenotípica; Sensibilidade ambiental; Reprodutores; Genetic evaluation; Genetic parameters; Environmental sensitivity; Parâmetro genético; Genetic correlation; Phenotypic plasticity.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1042292
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Interbeef in practice: example of a joint genetic evaluation between France, Ireland and United Kingdom for pure bred Limousine weaning weights Inra
Venot, E.; Pabiou; Fouilloux; Coffey; Laloë, D.; Guerrier; Cromie; Journaux; Flynn; Wickham.
Tipo: Conference Proceedings Palavras-chave: Interbeef; Genetic evaluation; Limousine; Weaning weights.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007bc802ac7&uri=/notices/prodinra1/2007/12/
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Relationship between genetic abilities of Japanese Black sires predicted from Japanese Black and crossbred population OAK
中橋 良信; 増田 豊; 口田 圭吾; MASUDA, Yutaka; KUCHIDA, Keigo.
黒毛和種×ホルスタイン種による交雑種(F1)は,わが国の牛肉需要を満たす上で重要な品種である.しかしF1に対する種雄牛の遺伝評価に関する調査はほとんどなく,高品質の枝肉生産を目的とした場合,黒毛和種種雄牛の育種価を参考にするしかない.本研究では,黒毛和種種雄牛と母の品種間の交互作用を調査し,F1に対する種雄牛評価の必要性について検討した.分析には黒毛和種(4,415頭)およびF1 (3,211頭)の枝肉格付記録を使用した.各品種から得られた値の遺伝相関係数によって交互作用を評価した.分散成分の推定にはAIREMLF90プログラムを用いた.BMSの遺伝相関係数は0.91と推定された.また黒毛和種のデータから推定された期待後代差(EPD)と,F1データから推定されたEPDとの順位相関係数を求めたところ,高い値となり(0.96-0.99),大きな交互作用がないことが示された.よって黒毛和種種雄牛のEPDはF1後代の肉質を予測するための指標となり得ることが示された.
Palavras-chave: Crossbred; Genetic evaluation; Interaction; Japanese Black cattle.
Ano: 2012 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3927
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การประเมินพันธุกรรมความคงทนของการให้นํ้านมในโคนมลูกผสมโฮลสไตน์-ฟรีเชียนที่ให้ลูกครั้งแรกโดยใช้โมเดลรีเกรซชันสุ่ม Thai Agricultural
Phakphume Saowaphak; Monchai Duangjinda; Pongchan Na-Lampang; Pakanit Kuppitayanant; Choak Bulakul.
Objectives of this study were to 1) determine the appropriate Covariance Function Coefficient (CFC) number of Modified Normalized Legendre Polynomial (MNLP) using in Random Regression Models (RRLP) and 2) mathematical equation for calculate Persistency of Lactation (PL) value. All 9 RRLPs with different 3 to 5 CFC number nested within additive genetics and permanent environmental random effects were used to analyze total 25,845 test-day milk yield records of primiparous crossbred Holstein-Friesian dairy cattle from Chokchai farm. Variance components were estimated by average information-restricted maximum likelihood algorithm and predicted random effects with best linear unbiased prediction method. The results found that RRLP using 3 and 4 CFC numbers...
Tipo: Collection Palavras-chave: Persistency of lactation; Genetic evaluation; Random regression model; Primiparous crossbred Holstein-Friesian dairy cattle; โคนม; พันธุ์ลูกผสมโฮลสไตน์-ฟรีเชียน; การประเมินพันธุกรรม; โมเดลรีเกรซชันสุ่ม; ความคงทนของการให้นํ้านม; ค่าการผสมพันธุ์.
Ano: 2011 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5268
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การประเมินพันธุกรรมและกราฟพันธุกรรมของการให้ผลผลิตไข่ในไก่พื้นเมืองไทย (ประดู่หางดำ) โดยใช้โมเดลวันทดสอบรีเกรซชั่นสุ่ม Thai Agricultural
Wuttigrai Boonkum; Monchai Duangjinda; Banyat Laopaiboon; Thevin Vongpralub.
Objective of this research was to investigate an appropriate random regression test-day model from various egg production functions for genetic evaluation and genetic curve construction for egg production in the first generation (G1) of Thai native chickens (Pradu Hang Dam). Data included 1,669 monthly egg production records of 203 Thai native chickens between September, 2007 and June, 2009. Data were obtained from the Research and Development Network Center for Animal Breeding (Native Chicken), Faculty of Agriculture, Khon Kaen University. An average (+SD) of yearly egg production was 140+36 eggs and average (+SD) age at first egg was 187+22 days. Considering to -2logL, AIC, and MSE, random regression test-day model with egg function of Koops and Grossman...
Tipo: Collection Palavras-chave: Egg production; Genetic evaluation; Thai native chicken; Random regression test-day model; Pradu Hang Dam; ไก่; พันธุ์พื้นเมืองไทย; พันธุ์ประดู่หางดำ; พันธุกรรม; โมเดลวันทดสอบรีเกรซชั่นสุ่ม; ผลผลิตไข่; กราฟพันธุกรรม.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5162
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การประเมินพันธุ์อ้อยโคลนดีเด่นภายใต้สภาพอาศัยน้ำฝน Thai Agricultural
Nattapat Khumla; Pracha Thumthong; Kanokthip Lertprasertrat; Raweewan Chuekittisak; Sarewat Jattupornpong; Somnuk Kongtian; Manit Suknimit.
Experiment was carried out to test the performance of new promising sugarcane clones series 2008 under rainfed conditions. The objective was to evaluate yield potential and quality of 19 promising sugarcane clones compare with 6 checked cultivars, U-Thong 3, Suphanburi 80, Khon Kaen 3, LK92-11, K84-200 and K99-72 at Nakhon Sawan Field Crops Research Center during Mar 2011- Jan 2012. The trial was laid out in RCBD with 2 replications. Plant cane of 25 cultivars/clones was evaluated. Cane yield and yield attributing characters i.e. cane height, number of internode/cane, number of plant/stool and number of millable cane were recorded. Juice quality viz percent juice extraction and commercial cane sugar (%CCS) in juice were determined at harvesting....
Tipo: Collection Palavras-chave: Sugarcane; Genetic evaluation; อ้อย; โคลนพันธุ์; การทดสอบพันธุ์; สภาำพอาศัยน้ำฝน; ผลผลิต; ซีซีเอส.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5310
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