نتایج جستجو برای: antibiotic growth promoters
تعداد نتایج: 912673 فیلتر نتایج به سال:
the study was conducted to evaluate the effect of using powder and hydroalcoholic extract of carum copticum on growth performance, blood parameters, relative weight of internal organs, intestinal microflora, intestinal histomorphology and meat quality in broilers in comparison to virginiamycin antibiotic. the experiment was conducted in a completely randomized design with 8 treatments, 3 replic...
This experiment was conducted to determine the performance and intestinal microflora population of broiler chicks in diets supplemented with Roxarsone, Avilamycin and Formycin gold during starter period. A basal diet was formulated according to NRC (1994) recommendation for starter (0-21 d) period and also supplemented with appropriate amounts of the mentioned growth promoters. Each of the tr...
Poultry as an industry was continuously growing worldwide and demands for poultry meats were markedly increasing. However, the limited use of antibiotics treatments growth promoters became a serious problem due to emergence antibiotic resistance. Therefore, exploring other alternatives such using feed additives like beta-glucans widely studied used meet consumers. This review focused on differe...
As a result of antibiotic resistance in human pathogenic bacteria, alternatives for Antibiotic Growth Promoters (AGP) have been developed in recent years. Herbs and botanicals can be seen as such an alternative (WENK, 2003). Essential oils derived from different plants have been tested over the years to identify their effects on animal performance. Essential oil extracts from Oregano, with its ...
Roles of probiotic microorganisms in digestive physiology are contributed to enhancing animals health and reducing the incidence of gastrointestinal diseases. Banning the use of antibiotics as growth promoters in poultry in many countries has been contributed to the increasing use of probiotics because long-term use of antibiotics causes antibiotic resistance of pathogenic bacteria in poultry a...
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