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Nadia, Rizky
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Vitamin D3 Supplementation in the Diet on Production Performance and Physical Egg Quality of Quail (Coturnix coturnix japonica) Hermana, Widya; Aulia, Rifka Syafika; Gunawan, Zahra Rizki Fauziyyah; Sumiati, Sumiati; Nadia, Rizky
Buletin Peternakan Vol 50, No 1 (2026): BULETIN PETERNAKAN VOL. 50 (1) February 2026
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v50i1.111755

Abstract

This study aimed to evaluate the effect of dietary supplementation with vitamin D₃ on production performance and physical egg quality in quail. The experiment was conducted on 450 quails aged 22 weeks, which were reared until 27 weeks of age. A Completely Randomized Design (CRD) was applied, consisting of three treatments with five replications each: P0 = control diet without vitamin D₃ supplementation (basal diet), P1 = basal diet + 1.0 g/kg vitamin D₃ supplementation, and P2 = basal diet + 1.5 g/kg vitamin D₃ supplementation. Data were analyzed using Analysis of Variance (ANOVA), followed by Duncan’s multiple range test when significant differences were detected. The results showed that the supplementation of 1.5 g/kg vitamin D₃ contibuted to higher egg production, which was refleted by significant (P<0.05) improvements quail day production (QDP), egg mass, and feed conversion ratio (FCR), and very significant (P<0.01) enhancement yolk color. Supplementation of 1.0 g/kg and 1.5 g/kg Vitamin D₃ did not affect egg index, yolk percentage, albumen percentage, shell percentage, shell thickness, and Haugh unit. In conclusion, dietary supplementation of vitamin D₃ at the optimal level of 1.5 g/kg effectively enhanced quail production performance and yolk color, without negatively impacting egg physical quality
Effects of Lemuru Fish Oil, Fe, Zn, and Cr Supplementation on Performance, Blood Profile, and Organ Development of Sentul Chickens Aurelia, Marsha Adinda; Mutia, Rita; Sumiati, Sumiati; Nadia, Rizky
Buletin Peternakan Vol 50, No 1 (2026): BULETIN PETERNAKAN VOL. 50 (1) February 2026
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v50i1.112948

Abstract

This study aimed to evaluate the effects of diet containing Lemuru fish oil supplemented with iron (Fe), zinc (Zn), and chromium (Cr) on growth performance, blood profile, and internal organ development in Sentul chickens, a native Indonesian breed. There were four experimental diets following a completely randomized design (CRD), each with five replicates and ten chickens per repetition, namely T0 (Control), T1 (diet containing 2.5% Lemuru fish oil), T2 (diet containing 2.5% Lemuru fish oil + 20 ppm Fe, 60 ppm Zn, 0.4 ppm Cr), and T3 (diet containing 2.5% Lemuru fish oil + 40 ppm Fe, 120 ppm Zn, 0.8 ppm Cr). Feed and water were provided ad libitum for 84 d. Parameters measured included body weight gain, feed intake, feed conversion ratio, Income Over Feed Cost, relative organ weights, intestinal length and, blood profile. Treatments did not significantly affect growth performance (p>0.05), with body weight at 84 d ranging from 905.70 to 962.93 g/b, feed intake ranging from 2958.15 to 2999.03 g/b and feed conversion ratio between 3.15 and 3.54. Hematological analysis revealed significant effects on erythrocyte and leukocyte counts, as well as lymphocyte percentage, with the highest erythrocyte count in T2 (2.83 × 106/µL) and the highest lymphocyte proportion in T1 (51.76%). Most internal organ weights did not differ significantly, except for the proventriculus. In summary, Lemuru fish oil with Fe, Zn, and Cr supplements did not adversely affect growth performance. When used at moderate dosages, the combination of fish oil and trace minerals improved economic values through IOFC, erythrocyte count, enhanced intestinal development, and immune characteristics, providing information on feeding strategies for native poultry. 
Co-Authors Aulia, Rifka Syafika Aurelia, Marsha Adinda Gunawan, Zahra Rizki Fauziyyah Rita Mutia Sumiati Sumiati Widya Hermana