Citation | Ermawati D, Panjono, Bintara S, Agus A, Widyobroto BP, Yudistyra B, Mustofa R, Hartatik T (2024). Estrus signs and estrogen levels in brahman cross and first-generation (F1) crossbred cattle: implications for pregnancy and repeat mating. Adv. Anim. Vet. Sci. 12(11): 2293-2300. 
DOI | https://dx.doi.org/10.17582/journal.aavs/2024/12.11.2293.2300