Báo cáo sinh học: "Population analysis of a purebred Hereford and a multibreed synthetic beef cattle herd" docx

... Lauvergne et al, 1973; Martin, 1975; Basu and Ghai, 1980) and as a check on management practices (Nadkarni et al, 1983). A similar analysis was used by Ahmad et al ... article Population analysis of a purebred Hereford and a multibreed synthetic beef cattle herd PF Arthur M Makarechian 2 R Weingardt RT Berg 1 NSW Agriculture, Agr...

Ngày tải lên: 09/08/2014, 18:21

... function p (a i lv) of the random variable ai as presented in Foulley and (auaas (1995, formulae 21 and 22); see also Gianola and Sorensen (1996) for a specific study of the ... straightforward. The random part of the location is rewritten as in Foulley and Quaas (1995) as Z!O&dquo;Ui u* where u* is a vector of standard normal...

Ngày tải lên: 09/08/2014, 18:22

... differences (bias r0 ,bias r1 , and bias ra ) between estimates and simulated values were com- puted for each replicate and averaged over the 10 replicates. For the location parameters, the biases (bias l0 and bias l1 ) ... subclinical mastitis in England and Wales, the mean incidence of clinical mastitis recorded by the farmer was 47 cases per 100 cows per year [3]. In Canada, Sa...

Ngày tải lên: 14/08/2014, 13:21

... efficiency and carcass quality) and maternal performance (eg, fertility and ease of calving). Beef cattle breeding schemes can be efficient despite a small number of inseminations ... and 90 unrelated maternal grandsires with 45 bulls used as sires of 90 calves and as maternal grandsires of 90 other calves. The calculated uncertainty...

Ngày tải lên: 09/08/2014, 18:21

... best of those studied, regardless of whether it was PL or LACTPL that were analysed and regardless of the number of strata in cases of LACTPL. Some combinations of strata and number of stages ... m hy and SD hy were calculated for the first lactation and all later lactations separately. The cow’s actual peak yield in each lactation was used, but in lactations after the fir...

Ngày tải lên: 14/08/2014, 13:22

... coded as follows: short paternal allele ‘1’; long paternal allele ‘2’; and all deviating maternal alleles ‘3’. A unified coding of the EAC blood group marker was done with haplotype analysis of the grandsires. ... were investigated. The first aim of this study was QTL confirmation, where the data were analysed separately and a confirmed QTL should show a significant effect in bot...

Ngày tải lên: 14/08/2014, 13:22

... variability of these traits and to create extreme phenotypes allowing the analysis of underlying mechanisms and the search for new genetic mark- ers of disease resistance traits. Such tools are ... MHC as the natural candidate of choice as far as disease resistance is concerned, and showed an effect of the avian B-complex on either the progression or regression, as reviewed b...

Ngày tải lên: 14/08/2014, 13:22

... CMV promoter (5'-CGGGGTACC CTTGTGCAATGTAACATCA- GAG-3') and to the 3' end of the BGHpA (5'-CGGGGTAC- CCTGTGGATAACCGTATTACCG-3'). Similarly, we isolated the gp120 expression cassette ... applied to midi cartridges and thereafter handled as suggested (Qiagen). The quality of the PBS dissolved DNA was analysed by agarose gel electrophoresis and evaluation of...

Ngày tải lên: 14/08/2014, 19:22

... in Australasia, North America and Asia. Genetica 58, 213-221 Knibb WR (1986) Temporal variation of Drosophila melanogaster Adh allele frequencies, inversion frequencies, and ... small scale of sampling (Anderson et al, 1987). The parallel chromosomal changes with latitude suggest an adaptation to eco- logical differences associated with climate ....

Ngày tải lên: 14/08/2014, 20:20

... (R24 6A) (lane 3), KGA (E45 7A) (lane 4), AGE (K45 5A) (lane 5), and AGD ⁄ AGE (R24 6A ⁄ K45 5A) (lane 6) were expressed in E. coli and autoactivated at acidic pH [34]. Activated samples were analyzed ... indicate that the C2 domain of plant phospholipase Da can act as a cardosin A- binding domain and suggest that plant C2 domains may have an additional role as RGD ⁄ KGE-recogniti...

Ngày tải lên: 30/03/2014, 11:20