Luis Mazariegos

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This study was conducted to test the pathogenicity and immunosuppressive effects of seven commercially available infectious bursal disease (IBD) vaccines. These vaccine strains are intermediate in their pathogenicity in susceptible specific-pathogen-free (SPF) chickens. One-day-old and 3-week-old SPF chickens were vaccinated with these vaccines. Two weeks(More)
The poison frogs of the Colombian Andes, Pacific lowlands and Panama have been recently recognized as a new, monophyletic and well-supported genus: Andinobates. The species richness and distribution within Andinobates remain poorly understood due to the paucity of geographic, genetic and phenotypic data. Here we use a combination of molecular, bioacoustic(More)
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