the survivability of pigs suckling sows vaccinated with the nonattenuated vaccine was significantly ( p less than 0.01 ) greater than that of pigs suckling sows vaccinated with the im attenuated vaccine , significantly ( p less than 0.05 ) greater than that of pigs suckling sows vaccinated with the oral-im attenuated vaccine , and significantly ( p less than 0.05 ) greater than that of pigs suckling sows that had not been vaccinated .
C0042210
vaccine
C0042211
attenuated vaccine