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| Type of paper: | Research Paper |
| Subject area: | Agricultural Studies |
| Academic level: | College |
| Style: | MLA |
| Size: | 52.0 kB |
| Word count: |
1472 words/6 pages
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| Mark awarded: |  |
| Author: | Marlo Hutchinson |
| Date submitted: | 2008-11-21 20:56:34 |
| Rating/Votes count: |
 
4.00 / 1
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| Tags: | political, self, behavior, disease, summary, diseases, infectious, chronic, flu, USA, Europe, Public Health Effects, Harvard Health Publications, swine, SIV |
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COMMON SWINE DISEASES Enteric Diseases 1 . Colibacillosis- is the leading killer of piglets , accounting for 42 percent of all death losses nationwide . It attacks piglets as young as 2 to 3 hours . It is caused by an E . coli bacterium which attacks the lining of the intestine which then produces toxins . Such toxins make fluid and food absorption impossible resulting to fluid loss and dehydration . 2 . Ileitis (proliferative enteropathy )- causes inflammation of the ileum and a sudden onset of diarrhea . There are cases when Ileitis causes persistent diarrhea leading to death of grow-finish pigs . 3 . Swine dysentery (bloody scours ) - a common diarrheal diseases that affects the large intestine which is caused by Brachyspira (Serpulina ) hyodysenteriae . The bacterium causes an inflammation of the beneficial mucosa which leads to a bloody diarrhea . 4 . Enterotoxemia - is caused by the rapid multiplication of the bacterium known as Clostridium perfringens Type C in the intestine . The release of toxins by these types of bacteria causes death to its victim . The Type A of this bacterium produces exotoxins which causes yellow-to-white pasty diarrhea that usually attacks during the first weeks of the pig 's life . It naturally resides in the swine 's intestine and said to be the leading cause of diarrhea in neonatal pigs . REPRODUCTIVE DISEASES Erysipelas - a bacterial infectious disease classified as acute , sub-acute and chronic erysipelas . The most susceptible to this disease are the newborn piglets especially those that are recently weaned . Acute Erysipelas causes red skin lesions that appear within 2 to 3 days of high fever . The skin lesions usually appear to be diamond-shaped from which its common name ``diamond skin disease ' came from . The said disease also causes depression and lameness of the victim . The sub-acute erysipelas form has the same symptoms but is less severe . Arthritis , lameness and other sub-clinical infections are the symptoms that are exhibited by the chronic form of this disease . If breeding herd is affected , the disease will cause abortion and stillbirth . Affected will then have a poor reproductive performance , producing weak piglets . Leptospirosis - causes abortion and stillbirths , including the birth of weak piglets . AS with mice and dogs , this contagious disease contaminates the feeds and water through the urine which spreads the disease . It will then be transmitted thru the milk by nursing piglets . PRRS (Porcine Reproductive and Respiratory Syndrome ) - a viral causing abortion , stillbirths and mummified fetuses . Sows and grower /finisher pigs affected have breathing difficulty . It causes death in pre-weaned and nursery pigs and poor performance in those that were able to survive . PRRS is a recently recognized disease of pigs , the agent of which is the virus identified to be one classified in the order of Nidovirales family of the Arteriviridae . There were already reported cases this disease in the USA , Japan , Vietnam , Korea and the Philippines . The disease occurs in two phases : first , the reproductive failure and second , the respiratory failure . Reproductive failure affects sows the respiratory disease attacks on herd lasting for about 6 to 12... |
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