Gokce, E., Kirmizigul, A., Atakisi, O., Kuru, M. & Erdogan, H. (2021) Passive immunity in lambs: Colostral and serum gamma-glutamyltransferase as a predictor of IgG concentration and related to the diseases from birth to 12 weeks of life. VETERINARNI MEDICINA , 66(2), 45-57.