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They live on and in plants and animals. Most do not cause diseases, are beneficial to their environments, and are essential for life. [4] [31] The soil is a rich source of bacteria and a few grams contain around a thousand million of them. They are all essential to soil ecology, breaking down toxic waste and recycling nutrients.
Pathogenic bacteria are bacteria that can cause disease. [1] This article focuses on the bacteria that are pathogenic to humans. Most species of bacteria are harmless and many are beneficial but others can cause infectious diseases. The number of these pathogenic species in humans is estimated to be fewer than a hundred. [2]
Animals often get infected with many of the same or similar pathogens as humans including prions, viruses, bacteria, and fungi. While wild animals often get illnesses, the larger danger is for livestock animals. It is estimated that in rural settings, 90% or more of livestock deaths can be attributed to pathogens.
As microorganisms, in particular bacteria, are found virtually everywhere, harmful microorganisms may be reduced to acceptable levels rather than actually eliminated. In food preparation, microorganisms are reduced by preservation methods such as cooking, cleanliness of utensils, short storage periods, or by low temperatures.
A CDC infographic on how antibiotic-resistant bacteria have the potential to spread from farm animals. Antibiotic use in livestock is the use of antibiotics for any purpose in the husbandry of livestock, which includes treatment when ill (therapeutic), treatment of a group of animals when at least one is diagnosed with clinical infection (metaphylaxis [1]), and preventative treatment ...
Bubonic plague in animals - Disease in dogs, cats, and prairie dogs caused by Yersinia pestis. Campylobacteriosis - Gastrointestinal disease in various species. Contagious equine metritis - Caused by Taylorella equigenitalis. Foal septicemia - Caused by various gram negative bacteria. Glässer’s disease - Disease in pigs caused by Haemophilus ...
Combined with other heart disease risk factors, such as type 2 diabetes or high blood pressure, smoking increases the likelihood of developing heart disease even more. However, quitting can be ...
Mycotoxins can be harmful because they can cause disease and death in humans and animals. [35] They are found in many pharmaceuticals like antibiotics and growth developments. [ 35 ] Mycotoxins can also play a role in chemical warfare agents (CWA), which are chemicals that contain toxins that are used to cause death, harm, or injuries to ...