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 live production, but the...

Ngày tải lên: 14/08/2014, 13:21

... epidemiological links during outbreaks. Virologic surveillance 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 epidemic MVi/Sinop.TUR/11.01-3 [D6] 13 y positive 4 B95 a throat swab Sinop epidemic MVi/Sinop.TUR/11.01-4 [D6] 13 y positive 3 B95 a urine Sinop epidemic MVi/Sinop.T...

Ngày tải lên: 19/06/2014, 08:20

... containing 10% FBS and 2 mM L-glutamine. Both RD and D65MG cells were cultured in DMEM containing 10% FBS and 2 mM L-glutamine. All of the cells were maintained at 37°C in a 5% CO 2 humidified incubator. Generation ... Multiple interactions of HIV-I Tat pro- tein with size-defined heparin oligosaccharides. J Biol Chem 1999, 274(40):28198-28205. 30. Spillmann D, Witt D, Lindahl U: Def...

Ngày tải lên: 18/06/2014, 18:20

... amino Alignment of the deduced amino acid sequences of the immuno-dominant residues of the VP1 surface protein, including the GH-loopFigure 5 Alignment of the deduced amino acid sequences of the immuno-dominant ... deduced amino acid sequence of the highly variable part of the immuno-dom- inant part of the VP1 surface protein shows distinct pat- terns for samples originating f...

Ngày tải lên: 18/06/2014, 18:20

... identified in a number of cynomolgus macaques in the wild on the island of Singa- pore. Interestingly, the SRV-2F subtype was clearly distinct from all the subtypes present in captive populations of cynomolgus, ... and 2C, in multiple species of macaque, including pig-tailed, rhesus, cynomolgus and Black celebes. A total of eight RF cases were examined from five primate cent...

Ngày tải lên: 19/06/2014, 08:20

... models. For instance, Slatkin (1977) defined 4 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 where the urban selective effect might be at least as intense as in Marseilles (eg, Barcelona, Palma in Majorca, Murcia in Spain, Rimin...

Ngày tải lên: 09/08/2014, 18:21

... ways of combining OR and ES performance. In b-ORLS, a direct estimation of the breeding values for LS is obtained, whereas in t-ORES the estimated 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...

Ngày tải lên: 09/08/2014, 18:21

... restreinte INTRODUCTION Hypothesis testing of genetic parameters is of great concern when analyzing genotype x environment interaction experiments. For instance, Visscher (1992) investigated ... above) is obtained by constraining the ratio(s) to be constant and finding the maximum under this constraint. The magnitude of the difference between the...

Ngày tải lên: 09/08/2014, 18:21

... contribution to the problem of testing homo- geneity of intra-class correlations among environments in the case of univariate linear models, without making any assumption about ... because the difference in numbers of parameters increases with the number of traits considered (eg, 10 vs 15 parameters for 5 traits). Comparison of approache...

Ngày tải lên: 09/08/2014, 18:21

... artifical insemination (AI) were used. The selection program of Limousin AI sires includes a centralized progeny testing. Each year, purebred Limousin cows are randomly inseminated ... are indebted 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...

Ngày tải lên: 09/08/2014, 18:21