DISEASES ASSOCIATED WITH COWS, PIGS, FISH AND POULTRY. Andrew Sung 3S101 Chu Wei Xiang 3S111. Introduction Different Diseases and Prevention Case Study Video Bibliography. Content.
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Andrew Sung 3S101
Chu Wei Xiang 3S111
Many of us currently are taking for granted the fact that our food is disease-free.Introduction
Results in people becoming sick by consuming the meat of the infected cowMad cow disease
- Britain, 1986
- Farmers noticed cows displaying a medical condition rather like scrapie (a disease that breaks down the nerve cells in sheep)
Farmers sometimes fed meat to cows because they do not have enough income to buy crops and hay for the cattle.Mad cow disease
Cattle would display the following traits:
Weight loss (even under a regular diet)
Milk produced is lesser
Cows become more aggressive and anxious
Poor coordination of movement
The disease even has the ability to go undetected for about two to eight years, thus making it hard to detect it.Mad cow disease
2. People are encouraged to cut down on their intake of beef and cattle over 3 months old (the time taken for cows to develop teeth and start consuming food) are banned from food markets and other outlets selling beef.Mad cow disease - Prevention
3. Unfortunately, there are still loopholes in the ban on feeding cows: some cows are fed poultry parts, cattle blood and even restaurant leftovers because some farmers do not care what they feed the cows.
This unusual pest is eaten by crustacean zooplankton, which serve as the hosts, and when the fish feed on the plankton, it then enters the system of the fish.Diseases associated with fish
The disease found in humans is commonly due to the person consuming raw or partially cooked fish, thus it is important to ensure that the fish is properly cooked in order to remove the larvae and the adults inside if the fish is infected.Diseases associated with fish
Marinating and smoking will not always kill the larvae.Anisakiasis - Prevention
- Direct body contact between infected and uninfected
- Airborne transmission through sneezes or coughs by pigs
- Pigs are contained in a small area, thus they will normally be close to each other
- Fever, lethargy, sneezing, coughing, difficulty breathing and decreased appetite
- Mortality is usually low (around 1-4%)
- But it causes weight loss (up to 12 pounds of body weight) and poor growth in pigs, causing economic loss to farmers
- The difficulty in controlling the influenza through this method has become more difficult.
- Evolution of virus has resulted in the vaccine being unable to work as effective.
- Farmers and vets are strongly encouraged to wear face masks and gloves when dealing with infected pigs.
- Easily transmitted to humans
This is due to intensive pig farming, which has grown substantially in recent years
Some giant operations are even raising tens of thousands of pigs at a time.Case study – Mexico
Damp and crowded conditions allowed for the virus to spread quickly and even mutate.Case study – Mexico