May 2012

The use of organic acids in monogastric animals (swine and rabbits)

The risk of bacteria acquiring resistance to specific antibiotics led to a ban of antibiotics as growth promoters in European Union (EU) since January 2006. In recent decades, organic acids (acidifiers)have been used as potential alternatives to antibiotics in monogastric animals’ diets in order to improve growth performance and prevent diseases. The probable mode of actions of organic acids...

Author(s): V. G. Papatsiros, G. Christodoulopoulos and L. C. Filippopoulos

May 2012

Evaluating the effect of Hypericum perforatum on antibody titers obtained from B1 and La Sota vaccines in broiler chicks with HI test

Nowadays using of live and killed vaccines is usually done to prevent Newcastle disease of poultry; however, some of the poultry farms are being encountered with this disease, because the available vaccines do not produce enough antibody titres. In this research, an attempt was made to investigate the effect of using an immune stimulator named Hypericum perforatum on antibody production against Newcastle...

Author(s): Adel Feizi  and Farhad Dadian