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etc.) does not result in immunity. This handicap, however, is largely compensated by their advantageous effect or. food conversion in the broiler production during the permanent application of these drugs from the hatching up to the slaughtering of the poultry. A combined application of the „earlier type" and „recent type" coccidiostatics is suggested for laying and breeding stocks. Irodalom Anonymous: Amprol an effective new coccidiostat for broilers. Technical bulletin. Merck Co, Inc., Rahway, N.J., I960. BOWIE, R.A. - CAIRNS, I.P. - GRANT, M.S. - HAYES, A. - JOKES, W.G.M. - RY1EY, J.F.: A new wide spectrum coccidiostat

.-Nature, 214, 1349-1354, 1967. CUCKLER

, A.C. - GORILLO

, A.I. - MALANGA, CM. - Mc MANUS

, E.G.: A new coccidiostat. - Poultry Sei., 39, 1241-1244, I960. CUCKLER, A.C. - MALANGA, CM.: Studies on drug resistance in coccidia. - J. Parasit., 41, 302-311, 1955DAVIES, S.P.M. - KENDALL, S.B.: Toxicity of sulfaquinoxaline (2-sulphanilamilquinoxaline

) for chickens. - Vet. Ree, 65, 85-88, 1953. DOBBINS, C.W.J.

: Georgia Poultry Disease Summary. Poultry Tips, 1961. PARR, M.M. - JAQUETTE, D.S.: The toxicity of sulfamerasine to chickens. - Am. J. Vet. Res., 8, 216-220, 1947HARWOOD, P.D. - STÜNZ, D.J.: Nitrofurazone in the medication of avian coccidiosis. - J. Parasit., 35.» 175-182, 1949HORTON-SMITH, C: Sulphaquinoxaline in the treatment of caecal coccidiosis in chickens caused by the coccidium E. tenella (Raillet and Lucet, 1891). - 9th World's Poultry Congress, Section III., 3, 3-8, 1951. JOHNSON,C.A.

: Studies on the efficacy of soluble furazin against caecal coccidiosis. - Poultry Sei., 35.» 1149-1150, 1956. 1EVINE, P.P.: The coccidiostatic effect of sulfaguanidine

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