Oxytetracycline (OXY) is a broad-range antimicrobial routinely used in pig production, at doses in the range of few g/kg of medicated feed, during the weaning period. It could persist at ppm level in pig liquid manure that routinely is used for organic fertilisation. In the present work we describe a methodology to study OXY environmental fate in arable land where crops are cultivated for anima...

Antibiotics may enter the terrestrial environment when amending soils with manure. A Note of Guidance on ecological risk assessment of veterinary medicines was issued in January 1998. Hardly any information about ecotoxicological effects of already existing substances are available. This study has tested the effects of two widely used antibiotics, tylosin and oxytetracycline, on three species o...

The present study investigated the drug-resistance to the selected antibiotics in Escherichia coli, Salmonella typhimurium and beta-haemolytic coagulase-positive staphylococci isolated from pigeons bred in Poland. In the case of E. coli, tetracyclines and amoxicillin were least effective. In the staphylococci, the highest resistance was detected for oxytetracycline and quinolones and 5% were re...

The bacterial pathogen associated with citrus huanglongbing (HLB) resides in the phloem of affected trees. widespread abundance vector Florida, Asian psyllid ( Diaphorina citri ), and location tree vascular tissue limits efficacy foliar-applied therapies. Trunk injection is a crop protection strategy that applies therapeutic compounds directly into system, enabling their systemic distribution w...

Oxytetracycline (OTC) is a commonly used antibiotic in livestock farming for controlling intestinal and respiratory infections farm animals. However, the absorption of antibiotics by animals limited, most are excreted original form with manure, which will have an impact on environment. The removal from swine manure could generally be performed via anaerobic digestion (AD). In this study, effect...

One way to increase yields in agriculture using organic alternative methods is the introduction of manure-based composts into soil. However, use such carries a risk soil contamination with antibiotic resistance genes (ARG) from gut and manure livestock. The heavy metals or antibiotics can this risk, while addition porous materials, as biochar, has potential decrease it. This study devoted revea...