Sharif Zahdeh

1. IntroductionCoccidiosis is a major enteric infection of poultry that is estimated to cost more than USD 14.5 billion annual losses globally [1]. Although coccidiosis control using various anticoccidial chemicals, such as ionophores, coccidiocides, and coccidiostats, has long been a mainstream strategy in modern poultry production, alternative control strategies to antibiotics are necessary owin ...

Is a parasitic disease caused by protozoan of the genus Eimeria, affecting virtually all domestic and wild poultry species.The disease transmission is fecal-oral, by ingesting sporulated oocysts present in the litter, from faeces from infected birds, although a mechanical transmission is also possible through dust, utilities, workers' clothing...The course of the disease (clinical/subclinical) and ...

1. IntroductionInfectious bronchitis (IB) is a contagious viral disease caused by a gamma coronavirus known as infectious bronchitis virus (IBV) [1]. IB is one of the most prevalent respiratory diseases in the poultry industry in Canada and elsewhere and it causes significant mortality and morbidity in both broiler and layer chickens, resulting in significant economic impacts to the poultry indust ...