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Estimation of genetic and environmental relationships between milk yield and different measures of mastitis and hyperkeratosis in Holstein cows Animal Sciences
Chegini, Arash; Hossein-Zadeh, Navid Ghavi; Hosseini-Moghadam, Hossein; Shadparvar, Abdol Ahad.
In this research, records of milk yield, mastitis occurrence and teats hyperkeratosis of 453 Holstein cows from a large herd with calving dates from December 2012 to December 2014 was used to estimate genetic and environmental correlations between milk yield, mastitis and hyperkeratosis. The highest and the lowest number of mastitis occurrence were in winter (January to March) and spring (April to June), respectively. Also, the highest and the lowest averages of days in milk at the time of mastitis occurrence were observed in winter and spring, respectively (162.53 vs. 29.67 days). The total number of mastitis occurrence was 151 times and in average a sick cow was infected 1.649 times. Obtained results showed low heritabilities for measures of mastitis...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dairy cow; Genetic relationship; Iteration; Udder type.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/29207
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Genetic relationship in Paspalum plicatulum Michaux germplasm using RAPD markers. Repositório Alice
REGITANO NETO, A.; REGITANO, L. C. de A..
2001
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Paspalum plicatulum; Germplasm; Genetic relationship; Relação genética; Markers; Marcadores.
Ano: 2001 URL: http://www.alice.cnptia.embrapa.br/handle/doc/45994
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Relationships among six herbal species (Curcuma) assessed by four isozymes Phyton
Deng,JB; Ding,CB; Zhang,L; Zhou,YH; Yang,RW.
Four isozymes, superoxide dismutase (SOD), polyphenol oxidase (PPO), malate dehydrogenase (MDH) and cytochrome oxidase (COD) were studied for identification of six herbal species (Curcuma L.). All the 37 study specimens produced a total of 168 polymorphism isozyme bands. The genetic distance coefficients (GS) varied from 0.08 to 0.54. The dendrogram, obtained according to the polymorphism isozyme bands by the UPGMA method with the software NTSYS-pc2.1, contributed to improve the resolution of phylogeny. From the dendrogram, it was possible to differentiate between the wild and cultivated specimens of C. longa, and within C. sichuanensis species.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Curcuma; Isozymes; Genetic relationship; Phylogeny.
Ano: 2011 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572011000200010
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