Novi, M., Nur , A. W., Kotun , I.A.A., Supriat, T.D. and Ujang, T.H. 2025. Effect of dietary supplementation with rumen-protected polyunsaturated fatty acids, protected proteins and organic minerals on the performance and physiological responses of Holstein heifers. Journal of Animal Behaviour and Biometeorology. 13, 1 (Jan. 2025), 2025001. DOI:https://doi.org/10.31893/jabb.2025001.