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Porcine circovirus type 2 (PCV2) has been linked to several disease syndromes during the last decade. A deficiency in selenium has also been associated with the increases of virulence of some viruses and severity of infectious disease. In order to evaluate the effect of different selenium sources and levels on PCV2 replication in PK-15 cells, three selenium(More)
Four hundred and forty 1-day-old Arbor Acre broilers were fed commercial starter diets with 0, 250, 750 and 2,250 mg/kg of an alpha-amylase preparation from 1 to 21 days of age to investigate the effects of an exogenous enzyme on growth performance, activities of digestive enzymes in the pancreas and anterior intestinal contents and pancreatic amylase mRNA(More)
Chemical analysis of hexane extracts of the oral secretions from male Caribbean fruit flies, Anastrepha suspensa, resulted in identification of pheromone components including: anastrephin, epianastrephin, suspensolide, beta-bisabolene, and alpha-farnesene in a ratio of 63:396:4:8:1. Extracts of the crop from male flies contained these same components. No(More)
As an important triglyceride hydrolase in mammalian cells, patatin-like phospholipase domain-containing 2 (PNPLA2) predominantly performs the first step in triglyceride hydrolysis. The objective of this study was to detect and evaluate the effects of mutations in the 5′ upstream region of porcine PNPLA2 gene with fat deposition and carcass traits. Four(More)
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