00968naa a2200325 a 450000100080000000500110000800800410001910000180006024501370007826000090021565000130022465000310023765000160026865000200028465000230030465000090032765000310033665000250036765000110039265000130040365000240041665000250044065000120046565000190047765000160049665300200051265300240053270000130055677300730056920950462018-09-04 1973 bl uuuu u00u1 u #d1 aTHOMAS, R. J. aEpidemiological studies on gastro-intestinal nematode parasites of sheep. The control of infection in lambs on contaminated pasture. c1973 aAbomasum aAnimal parasitic nematodes aBody weight aDisease control aDisease prevention aEwes aGastrointestinal nematodes aIsolation techniques aLarvae aNematoda aNematode infections aPurification methods aSeasons aSheep diseases aTetramisole aTherapeutic use aTrichostrongyloidea1 aBOAG, B. tResearch in Veterinary Sciencegv. 15, n. 2, p. 238-249, Sept. 1973.