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PART 2: Respiratory diseases in chickens of non-viral origin

The first article of this two part series (published in WP 17/11) described various respiratory diseases of viral origin. Respiratory diseases can cause considerable economic damage. Treatment of affected flocks is often a problem. Therefore it is necessary to fully understand the clinical symptoms, methods of detection and prevention as well as treatment. In this part various non-viral causes of the disease are described. read more >

PART 1: Causes of respiratory diseases in chickens

Respiratory diseases in laying hens and broilers can cause considerable economic damage. Treatment of affected flocks is often a problem since many effective regimens must not be applied to laying hens, or the withdrawal times are too lengthy. Clinical symptoms, methods of detection and methods of prevention and treatment are described. read more >

The relevance and efficacy of Ornithobacterium rhinotracheale control in chickens

Since its discovery in 1990, Ornithobacterium rhinotracheale (ORT) has worldwide recognition as a respiratory pathogen causing primary or secondary infections in meat-type chickens. Vaccination of breeders forms an efficient tool in reducing the economic losses due to ORT infections. read more >

Global advances in poultry disease research

Disease is a major restraint to production efficiency worldwide. Despite basic research in molecular biology leading to the development of new vaccines, intensive production systems are impacted by the emergence of new and variant diseases that are often multi-factorial in origin. Advances in the significant disease complexes are reviewed in relation to their potential to affect the profitability of commercial egg production flocks and broilers. read more >

Guidelines to curb bacteria in stacked poultry litter

Research funded by the US Poultry & Egg Association studied the inactivation of bacteria in stacked poultry litter. The goal of this research was to develop easily measurable parameters for assessing conditions that will eliminate or reduce potentially pathogenic bacteria in litter. read more >
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