Photographic Encyclopaedia of Australian Poultry Diseases Compiled by Dr Balkar Bains

Home > Photographic Encyclopaedia of Australian Poultry Diseases Compiled by Dr Balkar Bains

GIZZARD EROSION

Gizzard erosion is characterised by varying degrees of ulceration on lining of the gizzard which may render it inefficient in its important function of grinding food before it passes into the intestine. There are a number of well-known causes which... read more

FAVUS

Favus is chronic infection of the comb and face caused by Trichophyton megnini. Signs appear as white spots on the comb, eventually covering the entire face, giving it the appearance of being sprinkled with flour and it may even form... read more

TIBIAL DYSCHONDROPLASIA & FEMORAL HEAD NECROSIS

Tibial dyschondroplasia is a condition where the cartilage below the growth plate continues to persist instead of calcifying. The condition is seen in long bones and particularly evident in faster growing chickens. Due to lack of adequate calcification the bone... read more

FATTY LIVER AND KIDNEY SYNDROME (FLKS)

Fatty liver in adult poultry flocks is commonly caused by the inadequate addition of biotin and/or choline chloride in the feed. This is required for adequate fat metabolism. Excessive amounts of fat accumulate in the liver giving it a characteristic... read more

EXUDATIVE DIATHESIS – SELENIUM DEFICIENCY

Clinical signs of Selenium deficiency are known as exudative diathesis, characterised by the obviously pendulous appearance of the neck which on palpation feels soft. This is the consequence of oxidation of lipid layers of cell membranes lining the capillary walls.... read more

DILATED PROVENTRICULUS

Dilated proventiculus is thought to be caused by ionophore toxicity especially when there are no visible lesions or inflammation readily observable. A normal proventriculus can be seen in the centre of Image 1 and the dilated specimens are on either... read more

CHRONIC RESPIRATORY DISEASE (CRD) – MYCOPLASMOSIS

In the early stages Mycoplasma gallisepticum infection causes watery to purulent eye and nasal discharge and inflammation which can cause the eye to appear misshapen as seen in Image 1. The infection spreads to the sinuses and the upper respiratory... read more

CORYZA

Infectious Coryza or Coryza as it is generally known is caused by a bacteria, Haenophilus, infecting intraorbital sinuses and conjunctiva. The facial swelling,  as seen in the picture, is due to either clear or purulent material that may discharge from... read more

COCCIDIOSIS

Coccidia (Coccidiasina) is a subclass of microscopic, spore-forming, single-celled obligate intracellular parasites (meaning that they must live and reproduce within an animal cell) belonging to the apicomplexan class Conoidasida. Infection with these parasites is known as coccidiosis. Coccidiosis causes considerable economic loss in the... read more

CLOSTRIDIA PERFRINGENS

Clostridia perfringens is endemic in the poultry farming environment and the resistant stage of clostridium outside the host chicken ensures its survival. In the chicken the organism grows on the feed the chicken eats and its proliferation results in the... read more


Latest From AVPA

AVPA News

Next Scientific Meeting Melbourne 16-17 November 2017 (date to be confirmed)

The next Scientific Meeting of the AVPA is to be held in Melbourne from 16-17 November 2017. Details of the time... read more

Upcoming Scientific Meetings

Case Studies


© AVPA (Australasian Veterinary Poultry Association) 2011 All Rights Reserved :: Website design by Giant Media :: ADMIN