PENGGUNAAN KOMBINASI KADAR PROTEIN PAKAN  DAN THREONIN TERHADAP PENAMPILAN PRODUKSI  DAN KECERNAAN PAKAN PADA AYAM KAMPUNG UNGGUL

Erik Priyo Santoso; Eka Fitasari; Veronika Togola; Robertus Aba Leuhapu

doi:10.33366/bs.v23i3.5671

PENGGUNAAN KOMBINASI KADAR PROTEIN PAKAN DAN THREONIN TERHADAP PENAMPILAN PRODUKSI DAN KECERNAAN PAKAN PADA AYAM KAMPUNG UNGGUL

Erik Priyo Santoso, Eka Fitasari, Veronika Togola, Robertus Aba Leuhapu

Abstract

This research aimed to determine the effect of a combination of feed protein levels and threonine, namely feed formulations with crude protein (PK) levels of 19%, 18%, and 17% combined with the addition of the amino acid threonine 100%, 110%, and 120%. The research used a Completely Randomized Design Method repeated three times. The parameters measured in this study were production performance (feed consumption, body weight gain, FCR, feed efficiency) and digestibility (metabolic energy and N retention). The combination of feed PK and threonine content did not significantly affect all parameters (p>0.05). Feed PK significantly affected feed consumption, FCR value, and N retention value. The results showed that the highest body weight gain was in 80-day-old chickens produced in the 18% PK treatment 1264.43 gr/head and decreased in the 17% CP treatment. The highest feed efficiency occurred in the PK 18% treatment at 34.99%. The 18% protein at all threonine levels gave an AMEn value with an average value of 3418.15 Kcal/kg and N Retention with a value of 89.12%. Feed treatment with a protein content of 18% combined with 100%, 110%, and 120% threonine treatment gave the best results in body weight gain and feed efficiency.

Keywords

body weight gain; feed consumption; feed efficiency; nitrogen retention; threonine.

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References

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DOI: https://doi.org/10.33366/bs.v23i3.5671

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