na INLIS000000000011418 20210520151415 210520||||||||| | ||| |||| || | 010-0521011418 en Th.615.9/TAL/i Th.615.9/TAL/i TALHA, Abdul Fatah Shah Muhammad Investigation on the prevalence and significance of Mycoplasma gallisepticum in layer chickens in Bangladesh [27 p. ]: ill.; 30 cm. MYCOPLASMA GALLISEPTICUM -- Village chickens -- THESIS