Balıklarda Bazı Antimikrobiyal Maddelerin Doku Kalıntıları

Bu derlernede balıklarda kullanılan ilaçların kalıntı düzeyleri ele alınmıştır. Elde edilen veriler genel olarak balıklarda çok kullanılan birkaç antibiyotiğe ait ilaç kalıntı süreleri ile ilgilidir. Bu antibiyotikler için balıklardaki eliminasyon süreleri memelilerdekine nazaran uzundur. Eliminasyon oranları sıcaklığa bağlıdır , fakat ilişki kesin olarak doğrusal olmayabilir. Gerekli olduğu zaman, eliminasyon oranları ilgili balık türü için normal aralıktaki en az iki farklı sıcaklıkta ölçülmelidir. Eliminasyon oranlarını etkileyen diğer faktörler; balık türü, olgunluk ve sağlık durumudur. Bazı ilaçlar kasa göre deri, kemikler ve böbrekten daha yavaş elimine olmaktadırlar . Yasal arınma süreleri dokular için spesifiktir. Çok duyarlı modern belirleme teknikleri ile dokulardaki ilaçların "alt belirlenebilir düzeyleri" nin tespitini gerektiren yasal arınma süreleri, balıklar için spesifikleşmiş çok uzun periyotlara ihtiyaç gösterecektir.

Tissue Residues of Some Antimicrobials in Fish

In this review, residue levels of drugs applied to fish have been reviewed. Data concerned with drug residue times, belong to the several most commonly used antibiotics applied lo fish . For these antibiotics. elimination times _in fish are langer than in mammals. Elimination rates are temperature depehdent but the relationship may not be strickly linear. When required, elimination rates should ideally be measured for at least two different temperatures spanning the normal range for the relevant fish species. Other factors affecting elimination rates include species of fish, maturity and health status. Same drugs are eliminated from skin, bones and kidney more slowly than from muscles. Withdrawal times are spesific to particular tissues. With modern very sensitive detection techniques, withdrawal times requiring "below detectable levels" of drugs in tissues would required to very prolonged periods being specified for fish.

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