A novel Green chemistry method for non-aqueous extraction and HPLC detection of first-, second-, and third-generation tetracyclines, 4-epitetracycline, and tylosin in animal feeds

A single exposure of sediment sulphate-reducing bacteria to oxytetracycline concentrations relevant to aquaculture enduringly disturbed their activity, abundance and community structure

Bio-bibliografía del Dr. Roger Bolaños Herrera

Bioavailability of in-feed tetracyclines is influenced to a greater extent by crude protein rather than calcium

Cruz Saborío, Lorne

Costa Rica

Detección de tetraciclinas en nueve lotes de alimentos para cerdos, tilapias y pollos producidos en Costa Rica: incumplimiento de normativas y disconformidades con el etiquetado oficial de garantía

Detection of aflatoxin M1 in milk, cheese and sour cream samples from Costa Rica using enzyme-assisted extraction and HPLC

Fernández Sánchez, Oscar Alberto

Costa Rica

Granados Chinchilla, Fabio

Costa Rica

Inorganic contaminants and composition analysis of commercial feed grade mineral compounds available in Costa Rica

International Journal of Nutritional Health and Food Engineering

Tetracycline and 4-epitetracycline modified the in vitro catabolic activity and structure of a sediment microbial community from a tropical tilapia farm idiosyncratically

Unravelling a vicious circle: animal feed marketed in Costa Rica contains irregular concentrations of tetracyclines and abundant oxytetracycline-resistant Gram-positive bacteria

Vigilance for Salmonella in Feedstuffs Available in Costa Rica: Prevalence, Serotyping and Tetracycline Resistance of Isolates Obtained from 2009 to 2014