EN
			
			
			Investigation on the development of Ascaris suum (Goeze, 1782) in rats of strains Wistar and Black-Hood, free from invasion and previously infested with Nippostrongylus brasiliensis (Travassos, 1914)
		 
		
	
		
			
				RU
			
			
			Issledovanija razvitija Ascaris suum (Goeze, 1782) u krys iz shtammov Vistar i Kapjushhonnykh, nesvjazannykh s invazejj, a takzhe predydushhe zarazhennykh Nippostrongylus brasiliensis (Travassos, 1914)