EVALUATION OF DIFFERENT SEROLOGICAL AND IMIVIUNOLOGICAL I\/IETHODS USED FDR ASSESSIVIENT OF ANTI-P. MULTOCIDA ANTIBODIES IN SERA VACCINATED CHICKENS ~
Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ