THE EFFECT OF PASTEURELLA MULTOCIDA LIPOPOLYSACCARIDE EXTRACT ON THE IMMUNE RESPONSE OF CHICKENS VACCINATED WITH INACTIVATED NEW CASTLE AND EGG DROP SYNDROME VACCINE
Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ