Improving the Quality of Tofu Waste by Mixing it with Carrots and Probiotics as a Feed Source of Probiotics and β-Carotene

Abstract

The purpose of this study was to evaluate nutritional content of tofu waste mixed with carrot juice and fermented with Saccharomyces spp. (TWCF), so that it has potential as a feed supplement that is rich in β-carotene, high in protein and lysine, and contains probiotics. The laying hens (n=192, 70 weeks old) were randomly allotted into 4 diets groups. The hens were fed diets i) without TWCF as a control diets (TF0), ii) supplemented with 2% TWCF (B); iii) supplemented with 4% TWCF (C); and iv) supplemented with 6% TWCF (D). Inclusion of TWCF in diets increased nutrient digestibility (DM, OM, and CP) significantly (P≤0.05). Fermentation of TWC with YC (TWCF) can increase (P≤0.05) nutrient of TWC especially: CP, Lysine, and BC. Inclusion up to 2% TWCF can be used in laying hen diets to improve (P≤0.05) feed digestibility (DM, OM, CP), egg production, eggshell thickness, yolk color, BC, and yolk cholesterol. It is concluded that dietary supplementation of laying hens with TWCF can increase hen-day production, egg shell thickness, BC, and egg yolk color.