ABSTRACT
Veterinary.medicines.are.widely.used.to.treat.disease.and.protect.the.health.of.animals..Dietary. enhancing. feed. additives. (growth.promoters). are. also. incorporated. into.the.feed.of.animals.reared.for.food.in.order.to.improve.their.growth.rates..Following. administration. to. a. treated. animal,. medicines. are. absorbed. and. in. some. instances. may. be. metabolized.. Release. of. parent. veterinary. medicines. and. their. metabolites.to.the.environment.can.then.occur.both.directly,.for.example,.the.use.of. medicines.in.fish.farms,.and.indirectly,.via.the.application.of.animal.manure.(containing.excreted.products).to.land.or.via.direct.excretion.of.residues.onto.pasture.1-4. Over.the.past.10.years.the.scientific.community.has.become.increasingly.interested. in.the.impacts.of.veterinary.medicines.on.the.environment,.and.there.have.been.significant.developments.in.the.regulatory.requirements.for.the.environmental.assessment.of.veterinary.products..A.number.of.groups.of.veterinary.medicines.including. sheep.dip.chemicals,.fish.farm.medicines,.anthelmintics,.and.antibiotics.have.been. well.studied.in.recent.years,.and.a.large.body.of.data.is.now.available.5.This.chapter.
Contents
