Determination of the levels of 17-β Estradiol and Progesterone in Cow milk and Baby Follow-on milk by ELISA

The current study was undertaken to determine the 17-β Estradiol (E2) and Progesterone (P4) levels in different milk products some baby follow-on samples collected from retail markets Türkiye. For this purpose, a total of 50 8 product groups with fat levels, production technologies, series were analyzed for natural P4 E2 using commercial ELISA kit. highest level determined UHT whole (3%) (39.20 ± 6.73 pmol·L-1) while lowest found buttermilk (26.50 1.85 samples. concentration (<1 year old) (45.83 2.95 nmol·L-1) values pasteurized (23.00 6.66 nmol·L-1). Also, study, differences among not statistically (P>0.05). In conclusion, detected all milks at various generally their associated level.