Infection Frequency and Genetic Variability of Porcine Reproductive and Respiratory Syndrome Virus in Several States of the Mexican Republic

Diosdado-Vargas Fernando, C. Martinez-Lara Atalo, Socci-Escatell Guadalupe, Carrera-Salas Elvira, Santiago Julio, Coba-Ayala Maria Antonia, Zapata-Salinas Laura and Pastrana-Unzuela Roxana

Journal of Animal and Veterinary Advances 14 ( 5 ): 130 - 135 , 2015