February 2013

Retrospective and clinical studies of Marek’s disease in Zaria, Nigeria

  A ten year retrospective study (2000-2009) of Marek’s disease (MD) was conducted in the Veterinary Teaching Hospital, Ahmadu Bello University, Zaria. 3,039 different poultry diseases were recorded, MD represents 4.9%. 63% of MD was recorded in birds 10 to 20 weeks old, 9.3% in birds above 30 weeks and 2.0% in birds below ten weeks. MD occurred mainly during the pre-rainy to rainy seasons with a...

Author(s): Musa I. W., Bisalla M., Mohammed B., Sa’idu L. and Abdu P. A.

February 2013

Isolation and identification of a pathogen, Providencia rettgeri, in Bombyx mori

  A Gram-negative, rod-shaped bacterium, SY-1 strain, was isolated from a naturally infected silkworm Bombyx mori that was suffering from the common infection septicemia. The colony was round, slightly convex, smooth, moist, translucent, regular-edged and milky white on nutrient agar medium. The SY-1 was identified as a putative strain of Providencia rettgeri through its physiological...

Author(s): Jiao Zhang, Zhong-yuan Shen,, Xu-dong Tang, Li Xu, and Feng Zhu