marek's disease (md) is a common lymphoproliferative disease of chickens, usually characterized by mononuclear cellular infiltration in different organs. the disease is caused by a herpes virus and is transmissible. md has been a common, important problem for poultry industry worldwide, as well as, in our country, iran. the aim of present study was to have an estimation of the incidence of m...

Thirty blood samples were collected randomly from each of the 38 breeder-broiler farms in Jordan. Serum samples were examined using indirect ELISA for specific antibodies to avian influenza virus. The overall true flock-level sero-prevalence of avian influenza was 71% (95% CI: 55,83). Positive flocks had 2-30 sero-positive chickens and half of flocks had >20 sero-positive birds. The number of s...

With attention to quality variations in commercial Dicalcium phosphates (DCPs) and their P bioavailability, aim of this study was to comparison of DCPs purchase from different Iranian factories in broiler grow performance. 256 male chickens (28-day old) were randomly selected for this experiment. 8 chickens with approximately same weight were placed in per cage. The rations were formulated acco...

The objective of this study was to determine the level of adoption within the Algerian poultry farms (broiler chickens, laying hens) of a range of standard biosecurity practices (isolation, traffic control, decontamination, vaccination...). Quantitative and qualitative evaluation of the biosecurity in the poultry houses has been analyzed thanks using method developed by the French Food Safety A...

This study examined the prebiotic effects of oligosaccharides extract from palm kernel expeller (OligoPKE) on growth performance, cecal microbiota and immune response of broiler chickens. A total of ninety 1-day-old broiler chicks (Cobb-500) were randomly allocated to three treatment groups of six pens (replicates) with five birds per pen. Dietary treatments were: (i) basal diet as control, (ii...

Closed house waste which has so far been considered a contributor to environmental pollution if processed professionally, can be reused as component of non-ruminant rations. The purpose this study is determine the production (potential, quantity, and quality) broiler farm that maintained in closed system. cost livestock (pig) 70-80% still occupied by feed. price commercial concentrate relativel...

Newcastle disease (ND) is a major threat to poultry industry production throughout developing countries. The Newcastle disease viruses (NDVs) infecting industrialized and indigenous poultry in Iran are velogenic strains and responsible for the frequent outbreaks of ND in poultry farms even in vaccinated flocks causing serious economic losses in the commercial and indigenous poultry. However, va...

Coccidiosis is a critical disease in the poultry industry worldwide. Producers apply different strategies to control and prevent this disease. Herbal drugs are suitable remedies for reducing losses associated with coccidiosis poultry. The present study aimed evaluate effectiveness of an herbal mixture preventing coccidiosis. A total 160 broiler chickens were divided into four treatment groups, ...

Avian metapneumovirus (aMPV) is an important poultry pathogen causing an acute highly contagious upper respiratory tract infection in chickens leading to swollen head syndrome. The disease can cause significant economic losses in turkey and chicken flocks, particularly when exacerbated by secondary pathogens. The purpose of this study was to determine the prevalence of avian metapneumovirus ant...

The study aimed to identify sources of campylobacter in 10 housed broiler flocks from three United Kingdom poultry companies. Samples from (i) the breeder flocks, which supplied the broilers, (ii) cleaned and disinfected houses prior to chick placement, (iii) the chickens, and (iv) the environments inside and outside the broiler houses during rearing were examined. Samples were collected at fre...