Newcastle Disease Virus Infection in Vaccinated Layer Hens

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Newcastle disease virus infection in 38 weeks old layer brown chicken, mild respiratory signs, normal daily mortality rate, drop of egg production, change color egg, abnormal shape. Velogenic Newcastle disease virus is the deadliest virus for poultry. So many people assume, if this virus infects a chicken flock, then they […]

Egg Drop Syndrome, EDS Symptoms in Laying Chickens

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A breeder asked me to solve a problem (Egg Drop Syndrome) that was happening to his laying hens. At 37 weeks, his chickens produce eggs without shells. Eggs without the shell are found to multiply every day. The abnormal eggs are found 10-25% per day from a population of 5000 […]