this experiment was conducted to evaluate the effect of different levels of crude protein and threonine on performance, carcass characteristics and immune system of broiler chickens during starter (7-24) and grower (25-42) periods. a total of 288 male broiler chicks of ross 308 strain were used in a completely randomized design with factorial arrangement (2×4) with three replicates in each trea...

BACKGROUND Drug resistance indexes (DRIs) quantify the cumulative impact of antimicrobial resistance on the likelihood that a given pathogen will be susceptible to antimicrobial therapy. OBJECTIVE To derive a DRI for community urinary tract infections caused by Escherichia coli in British Columbia for the years 2007 to 2010, and to examine trends over time and across patient characteristics. ...

In this session, Lawrence J. Appel of Johns Hopkins University, who chaired the panel on Dietary Reference Intakes (DRIs) for electrolytes and water, presented a brief overview of the DRIs for sodium, potassium, water, and sulfate; covered research recommendations specific to those nutrients; and addressed some related issues concerning the DRI taxonomy, evidence-based medicine and nutrition po...

Wang Liang, Guo Yiping, Fang Ming 1 (Department of Control Science and Control Engineer, Huazhong University of Science and Technology, WuHan, 430074 P.R.China) 2(Library of Huazhong University of Science and Technology, WuHan 430074 P.R.China) E-mail:[email protected] Abstracts: This paper gives an absolute new search system that builds the information retrieval infrastructure for Internet...

Recommendation systems have been integrated into the majority of large online systems to filter and rank information according to user profiles. It thus influences the way users interact with the system and, as a consequence, bias the evaluation of the performance of a recommendation algorithm computed using historical data (via offline evaluation). This paper describes this bias and discuss th...