Farmatan Silaj Katkı Maddesinin Yonca Silajı Yapımında Kullanımı

Bu çalışmada, tatlı kestane ekstraktından elde edilen silaj katkı maddesinin (Farmatan) yonca silajına etkisi araştırılmıştır. Çiçeklenme döneminde hasat edilen yonca 1-2 cm boyutunda doğranıp düz bir zemin üzerine serildikten sonra Farmatan silaj katkı maddesi %0 (kontrol), %1.5, %3.0 ve %4.5 oranlarında silaj materyali üzerine elle yayılmıştır. Daha sonra silaj materyali homojen bir şekilde karıştırıldıktan sonra 1.5-2.0 kg kapasiteli plastik silolara hava kalmayacak şekilde doldurulmuş ve 2 ay süreyle bekletilmiştir. Farmatan, silajların kompozisyonlarının kuru maddesi, ham kül, amonyak ve pH parametreleri üzerine önemli derecede etki etmiştir. Kontrol grubuyla karşılaştırıldığında, %4.5 oranında Farmatan ilavesi yonca silajının amonyak içeriğini %70.11 oranında düşürmüştür. Kontrol grubuyla karşılaştırıldığında, %3.0 oranında Farmatan ilavesi yonca silajının pH'sını %23.8 oranında düşürmüştür. Muamelelerin KM içerikleri %18.70 - %26.57 arasında değişmiş olup en yüksek kuru madde oranı % 4.5 oranında Farmatan katılan yonca silajında elde edilmiştir. En düşük kuru madde içeriğine ise kontrol grubunda rastlanmıştır. Katkı maddesi olarak kullanılan Farmatan'ın bir birim artması; silaj kuru madde içeriğinde yaklaşık olarak 1.78 birimlik artışa neden olmuştur. Sonuç olarak, yonca silajı kalitesini iyileştirilmesi için taze yonca materyaline %4.5 oranında Farmatan katılması tavsiye edilebilir.

Anahtar Kelimeler:

Yonca silajı, farmatan, amonyak, organik asit

Use of Farmatan as an Additive to Make Alfalfa Silage

In this study, we investigated the effects of tannin extract of chestnut (Farmatan) obtained from sweet chestnut on alfalfa silage. Alfalfa harvested at the flowering stage was chopped to 1-2 cm in size and laid on a flat surface. Farmatan at the levels of 0 (control group), 1.5, 3.0 and 4.5% was uniformly spread by hand on the silage material. After thoroughly mixing the silage material, it was placed in 1.5-2.0-kg airtight plastic bins and stored for two months. Farmatan had significant effects on the composition of silage including dry matter (DM), crude ash, ammonia, and pH. Addition of 4.5% Farmatan reduced the ammonia content by 70.11% compared with control. Addition of 3.0% Farmatan also reduced pH by 23.8% compared with control group. The DM contents of treatment groups were changed between 18.70 and 26.57%. The highest DM content of alfalfa silage was obtained with addition of 4.5% Farmatan, whereas the lowest was found in control group. The effects of Farmatan on gas production kinetics, metabolizable energy, and organic matter digestibility were statistically significant. Addition of Farmatan at the rate of 4.5% to fresh alfalfa material can be recommended to improve the silage quality.

Keywords:

Alfalfa silage, farmatan, ammonia, organic acid,

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