The unique activity of Lactobacillus buchneri in silage

Öz

A variety of additives are available to improve ensiling and better protection of silage. Microbial inoculants containing lactic acid bacteria are the most widely used among these silage additives. Studies on the use of Lactobacillus buchneri bacteria as inoculant in silages, isolated from maize silages, whose temperature does not increase surprisingly for several days after exposure to air (indicating aerobic stability), has been one of the most interesting topics in this field over the last two decades. Today, L. buchneri is the main heterofermantative lactic acid bacteria used in silage inoculants. These bacteria can convert lactic acid into acetic acid and other products. Acetic acid is a good inhibitor of yeasts and molds that result in heating and spoiling of silage. In this way, L. buchneri increases the aerobic stability of silage, in other words, life of silo and feeder. This review gives information about the prominent characteristics of L. buchneri in terms of silage, the way it develops the positive effect in the preservation of silage, and the factors affecting its effectiveness when used as an inoculant in silage.

Anahtar Kelimeler

• Aerobic stability
• Lactobacillus buchneri
• Silage

Lactobacillus buchneri’nin silajdaki eşsiz etkinliği

Öz

Silajın daha iyi korunmasını sağlamak ve geliştirmek için çeşitli katkı maddeleri mevcuttur. Bu silaj katkıları içinde en yaygın kullanıma sahip olanlardan biri de laktik asit bakterilerini içeren mikrobiyal inokulantlardır. Havaya maruz kaldıktan sonra birkaç gün boyunca şaşırtıcı şekilde sıcaklığı artmayan (aerobik kararlılık gösteren) mısır silajlarından izole edilen Lactobacillus buchneri bakterilerinin inokulant olarak silajlarda kullanımına ilişkin çalışmalar bu alanda son 20 yılda en ilgi çeken konulardan biri olmuştur. Günümüzde L. buchneri, silaj inokulantlarında kullanılan ana heterofermantatif laktik bakteridir. Bu bakteri laktik asidi asetik aside ve diğer ürünlere dönüştürebilir. Asetik asit, silajların ısınmasına ve bozulmasına neden olan mayaların ve küflerin iyi bir inhibitörüdür. Böylece L. buchneri silajın aerobik stabilitesini, başka bir deyişle silo ve yemlik ömrünü artırır. Bu derlemede, L. buchneri’nin silaj açısından öne çıkan temel özellikleri, silajın korunmasında sağladığı olumlu etkiyi oluşturma şekli ve silajda inokulant olarak kullanımında etkinliğini etkileyen etmenler hakkında bilgi vermektedir.

Anahtar Kelimeler

• Aerobik stabilite
• Lactobacillus buchneri
• Silaj

Kaynakça

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