... growth and these include the fact that the yolk contains a lot of fat and water, favoured nutrients for bacteria. In addition, the yolk sac is maintained at the temperature of the hatcher and ... A. Chanda, P. Dasgupta, R.K. Dutta, L. Saha, S. Bhuin, L. Saha and S. Bhuin, 1993. Studies on yolk sac infection in poultry, antibiogram of isolates and correlation between in- vitro and in- vivo ... 51Thyagarajan, D., J. Ramakrishna, N. Ramamurthy, V. Venkataramanujam and V. Sundararasu, 1987. Mortality pattern in turkeys. Kerala J. Vet. Sci., 18(1): 112-116. Utomo, B.N., S. Poemomo and...