REVIEWS

National and international trade in poultry and poultry products ... Tykałowski B., et al. [ summary ] 365

Factors and mechanisms influencing seasonal disorders… Wojtczak J., et al [ summary ] 370

ORIGINAL PAPERS

Correlation of somatic cell count in sheep milk with the total… Makovicky P. [ summary ] 376

National and international trade in poultry and poultry products in… Nguyen Ngoc D., et al. [ summary ] 381

Modeling with Nonlinear Growth Curves of Body Weight in… Şengül T., et al. [ summary ] 388

Effect of Bakofix® Treatment Prior to Estrus Synchronization on Some Fertility… Kuru B.B, et al. [ summary ] 395

Effect of drying process on survival of environmental starter… Sęczkowska O. [ summary ] 401

Professor Napoleon Halitsky (1818-1881) - founder of the Kharkiv Zhvanko L., et al. [ summary ] 408