Avian Leukosis Viruses (ALV) are a group of several related retroviruses that mutate quickly and primarily affect chickens. Most chickens are infected by one or more strains, even if they show no signs. Depending on the strain, these viruses can result in a number of tumor-causing diseases. In addition to being transmitted through the egg, it is also spread via droppings of infected birds as as well as blood-sucking insects. Death rarely occurs in birds less than 14 weeks of age and is most common when pullets start to lay. ALV cannot be prevented by vaccination, there is no known treatment, and survivors may remain carriers.
The presence of ALV in birds received from Meyer Hatchery is not indicitive of receiving chicks with ALV because ALV can be transmitted by outside means. Meyer Hatchery has a rigorous and continuous sanitation routine in place that includes every stage of the incubation process from start to finish. Additionally, our flocks go through a comprehensive vaccination process, and we are monitored continuously by NPIP and state vet officials who oversee and test the health of our flock and processes.
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