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- Title
Pre- és probiotikum-kezelések kedvező hatása a Gumboro-betegség elleni vakcinázás egyes paramétereire brojlercsirkékben.
- Authors
Nikoletta, Such; Andor, Molnár; László, Pál; Valéria, Farkas; László, Menyhárt; Ferenc, Husvéth; Károly, Dublecz
- Abstract
Objectives: The infectious disease of the bursa, named Gumboro, is a viral infectious-contagious poultry disease that affects the Bursa of Fabricius. This trial aimed to investigate the prebiotic effects of wheat and wheat bran, the probiotic effect of Broilact and the combined effect of inulin, yeast and Bacillus subtilis bacterial strain on the performance parameters and Gumboro titer values of broilers. Materials and Methods: In total, 574 male Ross 308 one day-old chickens were divided into 24 floor pens and 4 groups: control (K), wheat based diet with wheat bran supplementation (B), control diet with Broilact supplementation (BR) (Broilact, Europharmavet Kft. 1077 Budapest, Rózsa utca 10-12. Magyarország) and control diet with symbiotic supplementation containing Bacillus subtilis, DSM17299 bacterial strain (0.4 g/kg, 1.6 x 106 CFU/g;), inulin (5g/kg,) and yeast (Saccharomyces cerevisiae boulardii, 1 x 109 CFU/kg) (SZ). In the treatment group "B" the wheat bran content of the starter, grower and finisher diets were 3, 6 and 6%, respectively. During the 42 day long rearing period, the growth rate, feed intake, and feed conversion of chickens were measured. On days 7, 14, 21 and 40, 12 chickens from each treatment groups were slaughtered, blood samples were collected and serum was separated. The collected serum samples were analysed for Gumboro antibody titers using an ELISA kit. Results and Discussion: Feeding the wheat and wheat bran containing diet significantly improved the weight gain and feed conversion ratio of birds compared with the other treatments. All pre- and probiotic treatments improved the seroconversion and the CV% of blood Gumboro titers compared with the control group. The maternal antibody titres of the wheat-based diet group at day 7 were significantly higher than those of the control group. The highest humoral antibody titres at day 40 were measured in the Broilact group, although these differences were not significant.
- Subjects
BUDAPEST (Hungary); HUNGARY; WHEAT bran; POULTRY diseases; ANTIBODY titer; WEIGHT gain; BACILLUS subtilis; WHEAT quality
- Publication
Magyar Állatorvosok Lapja, 2021, Vol 143, Issue 2, p119
- ISSN
0025-004X
- Publication type
Article