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Exposure of a Tropical Soil to mg/kg of Oxytetracycline Elicits Hormetic Responses in the Catabolic Activities of its Microbial Community
(2011-04)
Many farmers in developing countries protect their crops with oxytetracycline and fertilize their farmlands with manure from animals that received this drug as growth promoter. In this study, a tropical soil was exposed ...
Calidad bacteriológica y desechos sólidos en cinco ambientes costeros de Costa Rica
Bacteriological quality and beach bitter at five coastal marine environments of Costa Rica
(2006-09-01)
Anthropogenic waste and water bacteriological quality were surveyed twice a year in 2000 and in 2002 at five
coastal marine environments in Costa Rica, one in the Caribbean (Moín Bay) and four in the Pacific (Culebra ...
Serum sexual steroid hormones and lipids in commercial broilers (Gallus domesticus) in Costa Rica
(2010-09)
The poultry-breeding industry worldwide has focused on the development of hybrids for meat or egg production. In Costa Rica, there is a popular belief that commercial broilers have a high growth rate because they are raised ...
Distribution, stability, and protein interactions of Aflatoxin M1 in fresh cheese
(2017)
Aflatoxin M1 (AFM1), a metabolite resulting from the hepatic metabolism of aflatoxin B1, is a potential carcinogen that can be found in milk, cheese, and others dairy products. In this work, we aimed to elucidate the ...
Lettuce for Human Consumption Collected in Costa Rica Contains Complex Communities of Culturable Oxytetracycline- and Gentamicin-Resistant Bacteria
(2006-09)
The present widespread use of antimicrobials in crop farming is based upon their successful application in
human medicine. However, recent evidence suggests that the massive anthropogenic release of antimicrobials into ...