Ruminant Rasyonlarında Doğrudan Yedirilen Mikroorganizmaların Önemi ve Etki Mekanizmaları

Öz

Ruminant yemlerine katılan Doğrudan Yedirilen Mikroorganizmalar (Direct-Fed Microbials) (DFM)
olarak adlandırılan yem katkı maddeleri, sindirim sistemi enfeksiyonlarını önlediği gibi, sindirim kanalının
mikroorganizma içeriğini de optimize etme kabiliyetine sahiptirler. Son yıllarda, AB ülkeleri ile Türkiye’de üretilen
yemlerde antibiyotik kullanımının yasaklanmasından sonra, DFM’lerin yaygın bir şekilde yem katkı maddesi
olarak yemlere ilave edildiği görülmektedir. Söz konusu DFM’lerin yem katkı maddesi olarak tarihsel gelişimi,
DFM olarak kullanılan mikroorganizmalar, DFM’nin etkinliğini ve aktivitesini belirleyen faktörler ile rumen ve
bağırsaklardaki etki mekanizmaları bu çalışmada detaylı olarak ele alınarak incelenmiştir

Anahtar Kelimeler

• Doğrudan yedirilen mikroorganizmalar,etki mekanizmaları ruminantlar,yem katkı maddesi

Importance of Direct-Fed Microbials in Ruminant Diets and Modes of Action

Öz

Feed additives which are supplemented into the ruminants’ feed and called Direct-Fed Microbials
inhibit gastrointestinal infections, and have capability for optimizing of microbial content of gastrointestinal track.
In recent years, after the use of antibiotics in the feeds manufactured in EU countries and Turkey has been banned,
DFM are started to added into the feeds on large scale as feed supplement. In this study, historical development of
DFM, microorganisms used as DFM, factors affecting effciency and activity of the DFM as well as action modes
in rumen and intestines were investigated in detail

Anahtar Kelimeler

• Direct-fed microbials,feed supplements,modes of action,ruminants

Kaynakça

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