01344naa a2200349 a 450000100080000000500110000800800410001910000210006024501450008126000090022652003310023565000180056665000200058465000150060465000130061965000170063265000160064965000100066565000300067565000180070565000210072365000100074465000180075465300220077265300220079465300140081665300280083065300260085870000200088470000160090477300740092015204962023-06-12       1978    bl uuuu     u00u1 u    #d1 aLE JAMBRE, L. F.  aDevelopment of simultaneous resistance in Ostertagia circumcincta to thiabendazole, morantel tartrate and levamisole.h[electronic resource]  c1978  aThe following constants must be know in order to solve the simultaneous equations: Relative economic values for the different traits; phenotypic constants: standard deviations for each trait, correlation between ach pair of trait. Genetic constants: heritability of each trait, gnetic correlations between each pair of traits.  aAnthelmintics  aDrug resistance  aLevamisole  aNematoda  aParasitology  aParasitoses  aSheep  aTeladorsagia circumcincta  aThiabendazole  aAnti-Helmíntico  aOvino  aParasitologia  aLarval inhibition  aMorantel tartrate  aNematodeo  aOstertagia circumcincta  aOstertagia trifurcata1 aSOUTHCOTT, W H.1 aDASH, K. M.  tInternational Journal for Parasitologygv. 8, n. 6, p. 443-447, 1978.