Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 H. I., Nasrullah; MAHARDIKA, I G.; SURYANI, N. N.. Protein Balance and Growth Of Heifer Provided Content Rations with Different Energy and Protein. Jurnal Peternakan Tropika, [S.l.], v. 6, n. 3, p. 552-564, sep. 2018. ISSN 2722-7286. Available at: <https://ojs.unud.ac.id/index.php/tropika/article/view/42032>. Date accessed: 30 aug. 2026.