ANS 242 Notes-1
ANS 242 Notes-1 ANS 242
Popular in Intro to Horse Management
Popular in Animal Science and Zoology
This 5 page Class Notes was uploaded by Brooke Bearden on Friday January 30, 2015. The Class Notes belongs to ANS 242 at Michigan State University taught by Shelle in Fall2014. Since its upload, it has received 228 views. For similar materials see Intro to Horse Management in Animal Science and Zoology at Michigan State University.
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Yes YES!! Thank you for these. I'm such a bad notetaker :/ will definitely be looking forward to these
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Date Created: 01/30/15
01312015 Continued from respiratory Lower airways trachea 2 inch diameter cartilage rings mucous and ciliated cells clean and lubricate bronchi branches of trachea divides further to bronchioles alveoi air sacs where gases are exchanged ungs series of air sacs right lung has 3 lobes left lung has 2 lobes in the horse resting respiration rate for the horse is 816 breathsminute heart rate declines with age adult heart rate 28 50bpm heart rate is in uenced by environmental temp excitement exercise physical condition pathological condition age pain Horse Health General care grooming foot care dental care depends on situation for frequency economics and animal health are the bottom line Unique concerns in equine health care Vaccinations evolving science Horses over 1 year of age vaccinate annually for most diseases exception during periods of high risk areas of high risk or in risk horses Foal vaccinations Former methodvaccinate mare 30 days prior to foaling vaccinate foal 3060 days of age booster 46 weeks later Present method vaccinate mare 30 days prior to foaling vaccinate foal 412 months of age depending on vaccine booster 46 weeks later Coggins EIA testing for all animals traveling to events in Michigan and throughout the US Respiratory Diseases in uenza fever up to 105 F biphasic clear nasal discharge later it is pus apathy loss of appetite dry cough later moist cough recover 12 weeks cause viral variety of strains 210 day incubation period spreads 35 yards or greater strict quarantine to control outbreaks treatment rest Antibiotics for secondary infections vaccination available strain speci c restraints picking up foot shouder roll ear twitch chain over nose ip chain twitching 101514 west nile virus quotnear eastern encephalitisquot humans and horses reportable disease morbity and mortality lower than for other EEs birds are primary species affected mosquito vector signs lethargy weakness in hind limbs stumbling lack of coordination head tilt and muscle twitching convulsions paralysis coma CNS signs similar to other EE s vaccination available thought to be very effective Tetanus lockjaw very important in horses bacteria clostridium tetani normally found in horse feces produces neurotoxin cause infection of wound puncture or contaminated cut anaerobic bacteria sign 14 week incubation may not nd injury hyperexcitability localized stiffness jaws limbs Limbs become xed prolapsed third eye 108 temp 80 die 36 weeks recovery prevention vaccinate annually tetanus toxoid mare late pregnancy to improve foal immunity through colostrum EPM equine protozoal myelitis organism srcoystis neurona may invade nervous system opossum is the de nitive host many secondary hosts signs unilateral lack of coordination stumbling altered movement ameess etc treatment reduce in ammation prevention reduce contact with opossum feces vaccine not effective yet test available to improve diagnosis not definativeO positive testers may be asymptomatic gt60 of MI horses test positive must have no signs miscellaneous diseases EIA equine infectious anemia seen in horses mules donkeys reportable disease quotswamp feverquot acute or chronic intermittent fever depression progressive weakness weight loss edema anemia cause vira no vaccine may stay in animal in blood and body tissues for years found in milk semen saliva discharge from eyes and nose urine feces infected animals are lifetime carriers spread by blood sucking insects or dirty needles or syringes 3 types 1 acute sudden onset temp105108 no appetite higher pulse rate weak hind limbs shift weight yellow mucous membranes lower red cell count after 35 days animals appear normal may show signs later on may die during initial bout 2 chronic less severe fever longer time periods between bouts unthrity depressed attitude muscle weakness thin edema anemia 3subcinica carrier no signs may become active at any time can infect others diagnosis coggins test treatmentdestroy 102014 diagrams of intestines Anatomy and Physiology of Digestive Tract Esophagus passage of food smooth muscle contractions conduct feed to stomach inability to vomit regurgitate or freely eructate belch Causes choking rupture in stomach and colic Stomach tube nasogastric tube Stomach storage lt2 hours 0 Some digestion Secretes acid l lowers pH Small intestine duodenum jejunum ileum Primary site of digestion Primary site of absorption 0 Fat lipid digestion o Bile salts directly from the liver no gall bladder o Enzymes pancreas and intestinal secretions o Fat free fatty acids 0 Protein digestion enzymes 0 Protein amino acids Carbohydrate digestion starches sugars 0 Complex CHO simple sugars important sit of absorption Aas fatty acids simple sugars Mineralsactive and passive absorption Vitamins fat soluble and water soluble Cecum and colon Bacterial fermentation of carbon containing compounds Primarily carbohydrates 0 Products energy violatiel fatty acids are produced by microbes o Vitamins water soluble vitamin k 0 Concentrations of feces H20 absorption Proteinmicrobial protein produces is not unusual by the horse
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