Effect of dietary probiotic containing Lactobacillus bacteria, yeast and yucca extract on the performance and faecal microflora of broiler chickens

• Autorzy: Biernasiak J. , Slizewska Z. , Libudzisz Z. , Smulikowska S.

Warianty tytułu

PL

Wplyw probiotyku zlozonego z bakterii Lactobacillus, drozdzy oraz ekstraktu z juki na wyniki odchowu i mikroflore jelitowa kurczat brojlerow

• Języki publikacji: EN

Abstrakty

EN

The experiment was carried out on 99 female broilers, allocated to 3 groups of 33 birds, kept in individual cages. A wheat- and soyabean mealbased diet was formulated and divided into 3 batches: P (supplemented with a probiotic composed of lactic acid bacteria, yeasts and yucca extract), A (supplemented with flavomycin) and C (unsupplemented). Diets were fed from day 1 to 41 of life. Final BW was on average 2.4 kg in all groups, FCR was 1.63 kg feed/kg BWG, neither BWG nor FCR nor mass of the liver, pancreas and gastrointestinal tract were significantly influenced by supplementing the diet with either additive. Special attention should be drawn to the fact that supplementing feeds with a probiotic preparation already after one week of breeding considerably decreased the number of Clostridium bacteria in broilers’ faeces. Nevertheless, it should be emphasized that in the hereby research excreta of chickens fed with the feed mixed with a probiotic contained the lowest changeability of the number bacteria of Enterobacteriaceae family and bacteria belonging to coli group in individual weeks of breeding. It may be concluded that the studied probiotic can be considered to be a substitute for antibiotic growth promoters in broiler diets.

PL

Doświadczenie przeprowadzono na 99 kurkach brojlerach, podzielonych na 3 grupy po 33 ptaki, utrzymywane indywidualnie. Dieta pszennosojowa została podzielona na trzy części: P (z dodatkiem probiotyku, składającego się z bakterii kwasu mlekowego, drożdży i ekstraktu z juki), A (z dodatkiem flawomycyny) i C (nieuzupełniona). Diety skarmiano od 1 do 41 dnia życia. Końcowa masa ciała wynosiła we wszystkich grupach średnio 2,4 kg, przy użyciu 1,63 kg paszy/kg BWG. Dodatek do diety probiotyku bądź antybiotyku nie wpłynął na wydajność odchowu, masę wątroby, trzustki i przewodu pokarmowego. Uzupełnienie paszy preparatem probiotycznym już po pierwszym tygodniu odchowu wpłynęło na znaczną redukcję liczby bakterii z rodzaju Clostridium w kałomoczu kurcząt. Ponadto w kałomoczu kurcząt otrzymujących paszę z dodatkiem probiotyku odnotowano najniższą zmienność liczby bakterii z rodziny Enterobacteriaceae i bakterii z grupy coli w poszczególnych tygodniach odchowu.

Słowa kluczowe

EN

broiler; chicken; animal production; animal feeding; diet; probiotic; bacteria; Lactobacillus; yeast; yucca extract; fecal microflora; performance; antibiotic growth promoter

• Wydawca: -
• Czasopismo: Polish Journal of Food and Nutrition Sciences
• Rocznik: 2007
• Tom: 57
• Numer: 4[A]
• Opis fizyczny: p.19-25,fig.,ref.

Twórcy

autor

Biernasiak J.

• Technical University of Lodz, 171/173 Wolczanska Str., 90-924 Lodz, Poland

autor

Slizewska Z.

autor

Libudzisz Z.

autor

Smulikowska S.

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