The effect of ciliate fauna composition on murein content and mureinolytic activity in the rumen of sheep

• Autorzy: Belzecki G. , Miltko R. , Kwiatkowska E. , Kowalik B. , Michalowski T.
• Języki publikacji: EN

Abstrakty

EN

The effect of the ciliates, Eudiplodinium maggii, Diploplastron affine and Entodinium caudatum, and natural protozoal fauna on the ruminal murein concentration and mureinolytic activity was examined on three rams, repeatedly defaunated and refaunated with Eudiplodinium maggii, Diploplastron affine, Entodinium caudatum and natural protozoal fauna. The number of ciliates varied from 18 (E. maggii) to 334 x 103 /g rumen content (natural fauna). The murein concentration fluctuated between 180 and 277 mg/g dry matter (DM). The establishment of ciliates in the rumen of defaunated sheep decreased the murein content by 28-35% (P<0.05). Mureinolytic activity varied from 2.2 and 5.7 μg/g DM of rumen fluid/min and was the lowest in defaunated sheep and the highest in animals faunated with E. caudatum. The protozoa increased this activity from 32 (E. maggii) to 159% (E. caudatum). All examined parameters showed diurnal variations. The ciliate number was the greatest just before feeding and the smallest 4 h thereafter. The fluctuation pattern in murein content was inverse to that of protozoa concentration and mureinolytic activity.

Słowa kluczowe

EN

ciliate; Eudiplodinium maggii; Diploplastron affine; Entodinium caudatum; fauna composition; mureinolytic activity; rumen; sheep; murein composition; protozoan ciliate

• Wydawca: -
• Czasopismo: Journal of Animal and Feed Sciences
• Rocznik: 2012
• Tom: 21
• Numer: 1
• Opis fizyczny: p.65-76,fig.,ref.

Twórcy

autor

Belzecki G.

• The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jablonna, Poland

autor

Miltko R.

autor

Kwiatkowska E.

autor

Kowalik B.

autor

Michalowski T.

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