Chicken Diseases

Pandemics Ahead: Number 5 in a series looking at the link between animal protein and global health disasters.

Excerpt from Meat Climate Change: The 2nd Leading Cause of Global Warming by Moses Seenarine, (2016). Xpyr Press, 348 pages ISBN: 0692641157)

In the UK, up to 19 million broiler chickens die in their sheds each year from heart failure. In the case of no ventilation due to a power failure during a heat wave, upwards of 20,000 chickens can die in a short period of time.(998) Chickens are susceptible to several parasites, like lice, mites, ticks, fleas, and intestinal worms, as well as other diseases.(999)

In epizoology, an epizootic is a disease that appears as new cases in a given animal population, during a given period, at a rate that substantially exceeds what is "expected" based on recent experience. That is, an epizootic represents a sharp elevation in the incidence rate. In contrast to an epizootic, common diseases that occur at a constant but relatively high rate in the population are said to be "enzootic,” like influenza virus in some bird populations. An epidemic is the analogous term applied to human populations. High population density is a major contributing factor to epizootics and vast amounts of antibiotics are used to keep diseases at bay in CAFOs (concentrated animal feeding operation), with varying success.

These are dozens of common diseases that affect chickens, including (i) Avian influenza or bird flu, a virus; (ii) Histomoniasis or Blackhead disease, a protozoal parasite; and (iii) Botulism, a toxin. There is also (iv) Campylobacteriosis caused by tissue injury in the gut; (v) Coccidiosis, a parasite; (vi) Dermanyssus gallinae or red mite, a parasite; (vii) Erysipelas, a bacteria; and (viii) Fatty Liver Hemorrhagic Syndrome caused by high-energy food.

Besides, there is (ix) Fowl Cholera; (x) Fowl pox; (xi) Fowl Typhoid; (xii) Infectious Bronchitis, a virus; (xiii) Infectious Coryza, a bacteria; and (xiv) Necrotic Enteritis, a bacteria. In addition, there is (xv) Peritonitis caused by infection in abdomen from egg yolk; (xvi) Prolapse; (xvii) Pullorum or Salmonella, a bacteria; (xviii) Squamous cell carcinoma, cancer; (xix) Toxoplasmosis, protozoal parasite; (xx) Ulcerative Enteritis, a bacteria; and numerous others.

Diseases are critical to each individual food animal's health, as well as the industry overall because they often affect an animal's efficiency at converting feed to protein. These diseases can severely affect an animal's diet and efficiency. They can infect wild populations or jump the species barrier and infect humans and other nonhuman animals. Infections may lead to medical intervention, loss of the bird, and/or spread of disease, which proliferates GHG (greenhouse gas) pollution.

Chapter 27: PANZOOTIC, page 258.     Previous  |  Home  |  Next

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