Alternatives for flavomycin in broiler chicken nutrition
2006
Kaczmarek, S. | Jozefiak, D. | Rutkowski, A.,Poznan Agricultural University (Poland). Dept. of Animal Nutrition and Feed Management
In order to determine the efficiency of application of potential substitutes of antibiotic growth promoters, a feeding experiment was carried out on 480 one-day old broiler Ross 308 male-chicks. All experimental birds were divided into six nutritional groups. Only chickens from the control group (C) were fed on diet containing antibiotic growth promoter (AGP) - flavomycin (flavophospholipol). The diet used in the second (N) group, was composed without any growth promoters. Birds from group three (P) were fed the feed supplemented with a probiotic (Enterococcus faecium ATCC 53519, Enterococcus faecium ATCC555 93). Birds from group four (S) were fed diet supplemented with a symbiotic which consisted of the probiotic from group P and whey as a source of lactose. The diet from group five (SA) was composed of a symbiotic and an acidifier (Salacid balance dry). A mixture of symbiotic, acidifier and enzymatic preparation (Avizyme 1500) was used in the last group (SAE). The applied additives in groups P, S, SA and SAE, influenced positively the feed conversion ratio value and also the body weight gain (BWG). FCR and BWG results from the above-mentioned groups differed statistically significantly when compared with the results obtained in groups C and N. No statistically significant differences in BWG results were observed between groups P, S, SA and SAE. The applied acidifier and probiotic decreased the pH of the crop as well as the gizzard, although no differences in Ph were observed in the case of the ileum and the caecum
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Central Agricultural Library