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Common Poultry Diseases

New Castle Disease

It’s a highly contagious disease in many poultry birds in domestic, exotic, & wild birds .Its transmitted by a highly contagious virus and spreads in droppings, nasal discharge, via direct contact through the air or contaminated items such as bottoms of shoes, infected feeders, drinker and cages. The virus can also penetrate egg shells that come in contact with infected tissue or feeds.

Clinical Symptoms

Twisting of the head & neck, sneezing, nasal discharge, coughing, greenish watery diarrhea, depression, muscular Tremors, drooping wings, complete paralysis, swelling of tissues around eyes and neck, drop in egg production for layers and sudden death.

Control

01 Permit only essential workers and vehicles on premises

02 Provide clean clothing and disinfection facilities for employees.

03 Clean and disinfect vehicles (including tires) entering and leaving the premises.

04 Avoid visiting other poultry operations.


05 Maintain an “all-in and all-out” philosophy of flock management with a single age flock.

06 Clean and disinfect poultry houses between each lot of birds.

07 Adhere to the vaccination program provided.

Prevention/Treatment

No specific treatment is available, but Antibiotic medication may be indicated if secondary infections occur. However the there are various ways to prevent the disease as shown above.

Infectious Bronchitis

Infectious bronchitis is caused by a virus. The virus dies quickly outside of the host but can spread through the air and can travel considerable distances during an active outbreak. It spreads through clothing, feeders, drinkers etc. The virus doesn’t survive much more than a week in the house when poultry isn't present.

Clinical Symptoms

Consumption of food and water declines; Sick chicks chirp and have watery discharge from the eyes and nostrils. Chicks have labored breathing and might gasp. Breathing noises are noticeable at night while the chicks are resting. Egg production among laying hens drops. (Production should recover in 5-6 weeks) but it will remain lower than the previous levels. The virus can infect different parts of the body including the reproductive System. When a hen’s reproductive system is infected, the shells of the hen’s eggs can become rough and misshapen and the egg whites can become watery. In Broilers you may notice ruffled feathers and wet droppings.

Prevention/Treatment

There is no specific treatment for the disease but administering antibiotics for 3-5 days may aid in fighting off any secondary bacterial infections. For brooding chicks, it’s helpful to raise the room temperatures to 500F until the Symptoms go away. An effective insecurity program is the best method of preventing as well as vaccination.

Gumboro Disease(Infectious Bursal Disease)

Infectious bursal disease (IBD, Gumboro) is an acute, highly contagious viral infection. Clinically the disease is seen only in chickens older than 3 weeks. The feathers around the vent are usually stained with faeces containing plenty of urates.

Clinical Symptoms

The period of most apparent clinical symptoms and high death rate is at the age of 3 - 6 weeks. Gumboro could however be observed as long as chickens have a functioning bursa (up to the age of 16 weeks). In chickens younger than 3 weeks, Gumboro may not be noticeable easily, but injured bursa leads to immunosuppression.Infected birds are depressed, have ruffled feathers in the region of the head and the neck, droopy appearance and may be seen pecking at the vent. The rate of incidence of a disease and mortality begins 3 days post infection, peaks and recedes in a period of 5 -7 days. The more common scenario is mortality of 10 – 20%.In the field situation the mortality in layers is generally higher than in broilers. Birds that die are usually dehydrated (causing kidney lesions).Frequently severe loss of blood is present in the thigh and pectoral muscles.

Prevention/Treatment

No specific treatment is available. Use of a multivitamin supplement and facilitating access to water may help. Antibiotic medication may be indicated if secondary bacterial infection occurs. However the there are various ways to prevent the disease such as Vaccination and bio security.

Mareks Disease

Is caused by a virus and the onset is between 8-20 weeks. It affects ONLY layers. It is spread by direct contact with sick chickens and contaminated environments. It also affects birds which are not properly vaccinated.

Clinical Symptoms

Paralysis, swollen feather follicles, blindness or grey eyes.

Ecoli

Is a secondary infection that is usually spread by houseflies, and it is got from dirty environments, and contaminated water.

Prevention/Treatment

Maintain cleanliness at the farm, clean all the surroundings, poultry equipment, avoid wet litter. Treatment includes antibiotics such as tetracycline.
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We are Biyinzika!

Biyinzika is a leading poultry company in Uganda, and are soon to be a fully integrated poultry company. Our primary business is that of a Poultry Breeding company and have both layer breeders and broiler breeders producing Quality Day Old Chicks for the Ugandan poultry industry. We have a state of the art feed mill with grain storage silos for about 30,000 metric ton.

Our Objectives

Production of pelleted /crumbled Broiler feeds

Production of Mash feeds for Layers, Pigs, Dairy and Beef 

Production of Feed Concentrates

Production of Day old  Broiler chicks

Production of Day old Layer chicks

Production of specific food products such as unimix for WFP (united Nations – world food program) 
 

Get In Touch

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 0414-220607/89 
  P.O.BOX 8646
 Block A, 4th Floor, Nakawa Business       Park - Kampala
 
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