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 […]

IBD, Gumboro vs Leucocytozoonosis, Avian Pathology Pictures, Vet case 004

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Many disease agents cause symptoms of similar pathology lesions in chickens. Such as Infectious Bursal Disease or gumboro lesions, Leucocytozoonosis, IBH, CAV, HPAI on the thigh and pectoral muscles. However, if observed in more detail, leucocytozoonosis has more typical lesions than other diseases such as IBD. Notice the pattern of […]

Watery Egg Albumin & Abnormal Egg Shell: Vet case 003

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Egg albumin is egg white or an egg part that contains lots of protein produced by the reproductive tract (in the magnum). Egg white or albumen/albumin consists of thick albumin and thin albumin. There are several poultry diseases that have a major impact on albumin quality. Such as Infectious Bronchitis […]

Guess ! Infectious Bursal Disease, IBD,? Coccidiosis? AI?,ND? PICTURES Vet Case 002

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Exudate mixed with blood out of the chicken vent. This is the material for classroom discussion for veterinary and animal science students. Field data in this case is not in full display, but there are some interesting things here that can be discussed. Guess!, What is this disease case? Find something […]

Ulceration Proventriculus & Gizzard Erosion in Broiler: Vet case 001

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Vet Case 001: Broiler, 18 days old (19 July), complete feed, no respiratory symptoms, sudden death, high mortality. What causes ulceration in proventriculus and erosion of the gizzard leading to high mortality in these chickens? the spread of disease:  farm has 3 houses,  Deaths were observed in every pen and every […]

Veterinary: Tapeworm in Laying Chicken & Chicken coop (battery cages house)

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Veterinary issue: Tapeworm problems are often found in the field, especially in laying chicken farms, with chicken coop (house) type, open-side battery-caged system. It’s a chronic disease, not all chickens in a flock have the same problem. So, not necessarily all chickens have to get antihelminthic. It will cost a […]

Avian Vet: Lameness, Femoral Head Necrosis in Chicken

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This is a unique disease case, may be used as a discussion material for the avian vet and veterinary students. I often get cases of lameness (paralysis) in pullet (layer brown) chicken in the field. This case is only common in certain age ranges. Around the age of 9 to 16 […]

Infectious BRONCHITIS, IB Symptoms in Broiler, Chicken Farming

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IB, Infectious Bronchitis Field Case Study A broiler chicken farm has a very high daily mortality rate at the age of 24 days due to a respiratory disease. The highest mortality rate is 3,200 broilers per day from 18 houses with a total population of 105,000 chickens. The peak of […]

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 […]

Mycoplasma gallisepticum & Colibacillosis, Respiratory Disease Complex, CRD in Broiler Chickens

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Respiratory disease caused by bacterium Mycoplasma gallisepticum (MG) is the most common disease in broiler chickens. This disease is very common, and the disease is almost always followed by secondary infection by bacteria E. coli or colibacillosis complex. This disease has the greatest contribution or the main cause of the greatest economic loss […]