Citation | Truong NB, Thu NV (2022). Effect of dietary levels of neutral detergent fiber on feed intake, nutrient digestibility, rumen parameters and nitrogen retention of beef cattle. Adv. Anim. Vet. Sci. 10(2): 316-322. DOI | http://dx.doi.org/10.17582/journal.aavs/2022/10.2.316.322