Propiyonik Asit Katkısının Toplam Karışım Rasyonu Yemin Aerobik Stabilite Özellikleri Üzerine Etkileri

Bu araştırmada, farklı düzeylerde propiyonik asit ilavesinin toplam karışım rasyonu yemin aerobik stabilite özellikleri üzerine etkileri araştırılmıştır. Çalışmada, propiyonik asit temeline dayalı katkı maddesinin dört farklı oranda ilavesinin (%0, 1,5, 3,0 ve 4,5), 26°C ve 30°C depolama koşullarında etkisi araştırılmıştır. Yem örnekleri her muamele grubunda 3’er tekerrür olmak üzere 7 gün süre ile depolanmıştır. Aerobik stabilite süresince yem örneklerinde kimyasal ve mikrobiyolojik parametrelere ilişkin analizler yürütülmüştür. Her muamele grubunda sıcaklık değerleri ve ortam sıcaklığı 7 gün süreyle sıcaklık sensörleri ile ölçülüp kaydedilmiştir. Araştırmada katkı maddesi ilavesi toplam karışım rasyonu yemin pH, kuru madde, nötral çözücülerde çözünmeyen lif ve maya içeriklerini düşürmüş, ham protein, ham yağ, suda çözünebilir, laktik asit ve laktik asit bakteri içeriklerini yükseltmiş, küf gelişimini ise önlemiştir. Araştırma sonucunda %4,5 oranında propiyonik asit ilavesi toplam karışım rasyonunun 26°C 7 gün, 30°C ise 5 gün süre ile stabil kalmasını sağlamıştır.

Effects of Propionic Acid Additive on the Aerobic Stability Characteristics of Total Mixed Ration

This study investigated the effects of different levels of propionic acid addition on the aerobic stability characteristics of the total mixture ration. In the study, the effects of four different levels of propionic acid-based additives (0, 1.5, 3.0, 4.5%) on storage conditions of 26°C and 30°C. Feed samples were stored for 7 days, 3 replicates for each treatment group. Chemical and microbiological parameters were analysed in feed samples during aerobic stability. Temperature values and ambient temperature in each treatment were measured and recorded through temperature sensors for 7 days. The addition of additives in the study decreased the pH, dry matter, neutral detergent fiber, and yeast contents of total mixed ration, increased crude protein, eter extract, water soluble carbohydrate, lactic acid, and lactic acid bacteria contents and prevented mold growth. As a result of the research, the addition of 4.5% propionic acid allowed the total mixed ration to remain stable at 26°C for 7 days and 30°C for 5 days.

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