Cushing’s Disease in Dogs

A few months back we got a case in our hospital with clinical signs of polyuria, polydipsia and inappetence in a dog of middle-age. This was the shelter dog, recently adopted by an altruistic family. The bundle of other reasons could cause the above clinical signs although we ultimately narrow down our diagnosis to Cushing’s disease after several other differential diagnoses came negative. Let’s understand this disease briefly: What is Cus [...]


Candidiasis Candidiasis, mycotic diseases of the digestive tract of various avian species, including chickens, turkeys, and quail caused by Candida albicans.  It’s more likely to develop after use of therapeutic levels of various antibiotics or when using unsanitary drinking facilities. Lesions are mostly confined in the crop and consist of thickened mucosa and whitish, raised pseudo membranes. The same lesions may be s [...]

Black Head in Poultry

Black Head (Histomonosis, Enterohepatitis) Cause It is caused by a protozoan parasite Histomonas meleagridis. Transmission Infected water, feed or droppings play a role in transmission of the protozoa (direct transmission). The infected eggs of the caecal worm Heterakis gallinarum is also responsible for  the transmission (indirect transmission). Species affected It affects both the chickens, tu [...]

Coccidiosis in Poultry

Coccidiosis is complex disease of intestinal tract caused by an intracellular protozoan parasite. Etiology Eimeria is responsible for coccidiosis which is intracellular protozoan parasite of intestinal tract. The economically important species are E. acervulina, E. maxima, E. tenella, E. necatrix and E. brunette Transmission Intake of fecal contaminated food is the mode of transmission. The feces containin [...]

Fowl cholera

Fowl cholera is a bacterial disease of birds caused by organism Pasteurella multocida, affecting birds of 6 weeks old and above. It is a serious and highly contagious disease which can range from acute septicemia to chronic and localized infections and the morbidity and mortality may be up to 100%. The disease gets transmitted via nasal exudates, feces, contaminated soil, equipment, and people. Clinical findings vary greatly depending on the c [...]

Aspergillosis/ Brooder’s Pneumonia

Aspergillosis/ Brooder’s Pneumonia Aspergillosis is the fungal disease caused by Aspergillus fumigatus in poultry birds. In wet and cold season due to the high humidity and insufficient sunlight, feed or litter dampens is common, thus creating a favorable environment for fungal growth in poultry environment. The spores of aspergillus are inhaled by birds and these spores subsequently develop into lesions filling the lungs, thus causing res [...]

MG (Mycoplasma gallisepticum) IN Poultry

Mycoplasma gallisepticum (MG) is a main causative agent of complicated chronic respiratory disease (CCRD). MG affects also the egg production in chickens and results in reduced feed conversion efficiency, condemnation and downgrading of broilers carcasses at slaughter because of airsacculitis. Consequently, MG infection increases medication costs and decreases hatchability and quality of one day old chicks. Different types of vaccines are [...]


Inclusion body hepatitis (IBH) is an acute liver disease caused by fowl adenovirus (FAdV). It affects chickens of all age groups worldwide. IBH is a frequent problem for the commercial poultry industry, specifically seen in broilers and broiler breeder flocks. Affected flocks are often co-infected with other immunosuppressive viruses such as infectious bursal disease virus or chicken infectious anemia virus which predispose birds to developing [...]

Egg Drop Symptoms (EDS)

EGG DROP SYNDROME (EDS) IN COMMERCIAL LAYER POULTRY DR. RAJESH KUMAR SINGH, LIVESTOCK & POULTRY CONSULTANT JAMSHEDPUR, JHARKHAND, INDIA 9431309542, INTRODUCTION Egg drop syndrome is a viral disease that results in decreased egg production in an otherwise healthy flock. The outbreaks can last from 4–10 weeks and can result in a 5–50% drop in egg production. Egg drop syndrome virus can be t [...]

Avian Influenza (Bird Flu)

Highly infectious viral disease of avian species. H5N1 is a particular strain of highly pathogenic avian influenza. Disease Detail Avian Influenza Avian Influenza (AI) is a viral disease caused by virus belonging to family Orthomyxoviridae and genus Influenza virus serotype A. The virus is worldwide in distribution. It occurs in many forms form asymptomatic to respiratory disease and a drop in egg production, to systemic disease wi [...]

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