Báo cáo sinh học: "Genetic properties of feed efficiency parameters in meat-type chickens" potx

... constitutes about 70% of the cost of raising broilers, but the efficiency of feed utilization has not kept up the growth potential of today's broilers. Improvement in feed efficiency would reduce ... accurately because of the inherent problem of FCR being a ratio trait.Background Feed cost constitutes about 70% of the total cost of liveproduction, but the efficiency of feed utilization has ... potential of today's broilers. Improve-ment in feed efficiency will reduce the amount of feed required for growth, the production cost and the amount of nitrogenous waste [1]. Efficiency in feed...

Báo cáo sinh học: " Genetic characterization of measles viruses isolated in Turkey during 2000 and 2001" pdf

... epidemiological links during outbreaks. Virologicsurveillance can also help to measure the success of mea-sles vaccination programs by documenting the interrup-tion of transmission of the endemic ... 5 B95 a urine Sinop epidemicMVi/Sinop.TUR/11.01-3 [D6] 13 y positive 4 B95 a throat swab Sinop epidemicMVi/Sinop.TUR/11.01-4 [D6] 13 y positive 3 B95 a urine Sinop epidemicMVi/Sinop.TUR/11.01-5 ... sensitivity of IgM detection is low.Comparison of the N gene sequences of the Turkishviruses with the sequences of the current of WHO refer-ence strains showed that all 24 Turkish strains were...

Báo cáo sinh học: " Genetic incorporation of the protein transduction domain of Tat into Ad5 fiber enhances gene transfer efficacy" docx

... containing 10% FBS and 2 mM L-glutamine. BothRD and D65MG cells were cultured in DMEM containing10% FBS and 2 mM L-glutamine. All of the cells weremaintained at 37°C in a 5% CO2 humidified incubator.Generation ... Multiple interactions of HIV-I Tat pro-tein with size-defined heparin oligosaccharides. J Biol Chem1999, 274(40):28198-28205.30. Spillmann D, Witt D, Lindahl U: Defining the interleukin-8-bind-ing ... Tris-buffered saline(TBS) containing 0.05% Tween 20 (TBS-Tween), andblocking with 2% bovine serum albumin (BSA) in TBS-Tween, the viruses were incubated with varying amounts of purified recombinant sCAR....

Báo cáo sinh học: " Genetic characterisation of the recent foot-and-mouth disease virus subtype A/IRN/2005" pptx

... aminoAlignment of the deduced amino acid sequences of the immuno-dominant residues of the VP1 surface protein, including the GH-loopFigure 5Alignment of the deduced amino acid sequences of the immuno-dominant ... deduced amino acidsequence of the highly variable part of the immuno-dom-inant part of the VP1 surface protein shows distinct pat-terns for samples originating from subclinically infectedanimals ... vac-cine lineage India97 [13] and in the case of the 2B phyl-ogeny also with other Asia1 isolates. Keeping in mind thatthe use of doubtfully produced and distributed vaccine isnot uncommon in...

Báo cáo sinh học: "Genetic variability of the envelope gene of Type D simian retrovirus-2 (SRV-2) subtypes associated with SAIDS-related retroperitoneal fibromatosis in different macaque species" pot

... identified in a number of cynomolgus macaques in the wild on the island of Singa-pore. Interestingly, the SRV-2F subtype was clearly distinctfrom all the subtypes present in captive populations of cynomolgus, ... and 2C, in multiple species of macaque, including pig-tailed, rhesus, cynomolgus andBlack celebes. A total of eight RF cases were examinedfrom five primate centers including the Washington, ... was obtained from an uncloned Raji cell tis-sue co-culture which had been maintained in A549 cellssince 1996. Isolate F89336 serves as a reference strainwithin the Washington NPRC. In the other...

Báo cáo sinh học: " Genetic structure of the Marseilles cat population: is there really a strong founder effect ?" potx

... models. For instance, Slatkin (1977) defined4 population structures in terms of the source of the migrant individuals and in terms of the way in which new colonies were ... examples of other towns wherethe urban selective effect might be at least as intense as in Marseilles (eg, Barcelona,Palma in Majorca, Murcia in Spain, Rimini in Italy, ... thelate introduction of this allele into the population, coming from populations with low 0frequencies in a sporadic and irregular way (although the influence of diversifying...

Báo cáo sinh học: " Genetic improvement of litter size in sheep. A comparison of selection methods" potx

... ways of combining OR and ES performance. In b-ORLS, adirect estimation of the breeding values for LS is obtained, whereas in t-ORES theestimated breeding values of OR ... indices used in the Australian Merino should result in substantial gain in number of lambs weaned, according to theoretical studies of Ponzoni (1986).Litter size in sheep has ... mortality increases too much, as a result of a correlatedchange with OR, decline in ES will offset the increase in OR. For instance, forPgOR,ES = -!!9 response in LS...

Báo cáo sinh học: "Genetic variation of traits measured in several environments. I. Estimation and testing of homogeneous genetic and intra-class correlations between environments" ppt

... restreinteINTRODUCTIONHypothesis testing of genetic parameters is of great concern when analyzinggenotype x environment interaction experiments. For instance, Visscher (1992)investigated ... above) is obtained by constraining the ratio(s) to beconstant and finding the maximum under this constraint. The magnitude of thedifference between the value of the likelihood ... of parts of the inverse coefficient matrix of the mixed model equations (as described in Foulley and Quaas, 1994). Note also that simple forms of [12b] and [13c] involvethe...

Báo cáo sinh học: "Genetic variation of traits measured in several environments. II. Inference on between-environment homogeneity of intra-class correlations" pptx

... contribution to the problem of testing homo-geneity of intra-class correlations among environments in the case of univariate linearmodels, without making any assumption about ... because the difference in numbers of parameters increases with the number of traits considered (eg, 10 vs15 parameters for 5 traits). Comparison of approaches on real ... of genetic and phenotypic parameters against Falconer’s (1952) saturated model. In particular, Robert et al (1995)have described a procedure for estimating components of...

Báo cáo sinh học: "Genetic variability of muscle biological characteristics of young Limousin bulls" ppt

... artifical insemination (AI) were used. The selectionprogram of Limousin AI sires includes a centralized progeny testing. Each year,purebred Limousin cows are randomly inseminated ... areindebted to the staff of the testing station of the GIE France Limousin Testage (P6pieu)and to the technicians of the Institut de 1’Elevage (Limoges) for providing ... C, Robelin J, Picard B, Renand G, Geay Y (1994) Inter-animal variation in thebiological characteristics of muscle tissue in male Limousin cattle. Meat Sci (in press)Jurie...

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