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LP Quiz 3
Terms in this set (133)
The coating of bacterial cells in preparation for phagocytosis by neutrophils
what parameter or index is used to measure the effect of heat stress on a dairy cow?
name the specific mastitis pathogen that is difficult to treat in an infected quarter do tu fomation of scar tissue, clot formation, and tissue swelling. Also forms a-toxins.
what is the second line of defense against mastitis after bacteria has breached the teat canal?
specific name of the type of leukocyte or white blood cell found in milk.
to enchance heat loss from her body, a cow will seek air currents and lose body heat vi convection. What are 3 other means
conduction, evaporation, radiation
what is the name of the condition that results form a cow conducting E. coli mastitis. characterized by depression, dehydration, diarrhea, recumbency and shock
what element is mobilized from the bone that results in toxicity.
calcium and lead
breath smells like acetone, decreased appetite, loss in body weight.
Glucocorticoids to stimulate gluconeogenesis
Thickened placenta, leads to infection, laminitis, difficult breathing.
Reduced weight gain, vasoconstriction, increased respiratio, agalactiae
single epithelial tumor most often affecting women nearing menopause.
Small wart like growth that projects into bearst ducts near the nipple.
Accumulation of ammonium in yearly, young grasses.
solo grazing from herd, staggering, muscular twitching, irratability
jersey's more suspeptible.
Tremors, paralysis, decreased gut motility, coma
milk has clots or flakes, but no systemic signs of disease
milk has elevated SCC but appears normal
spontaneous secretion of milk
indigestion, diarrhea, incoordination, over eating corn or grain.
number of gram-positive bacteria increase(strep. spp)
impaired locomotion, sore feet, cow placing weight on hind limbs.
prolonged opening to AVA's in digital circulation observed in early stages
rare intraepithelial reast neoplasm with increase androgen receptors
Dopamine antagonist, cabergoline, bromocriptine, and pergolide
hormone released from pituitary to respond to stress
batericidal in milk by binding to iron
may cause HUS
Responsible for tuberculosis in cows
bacterium that redirects intracellular trafficking
easily cured mastitis infection
causes intestinal lesions in humans
progressive neurological disorder in cattle
ability of a cow to cure her self of mastitis
inserted at dry-off and removed at calving
occludes teat canal
Antibacterial proteins and fatty acids
rare intraepithelial breast neoplasm in women
Neoplasm associated with androgen receptors
caused by exposure to nicotine due to smoking
mammary duct ectasia
an example of a mastitis-producing algae
disease spread from animals to humans
unduland fever in humans
bateria that can form rocket tails
ability to grow at 0 C permits multiplication in refrigerated foods
granuloma composed of layers of macrophages
condition due to vasoconstriction of mammary blood vessles
condition leading to macheine induced mastitis
bacteria that commonly colonize the teat skin
cow side test for examining milk for mastitis
method for rinsing contaminated milk from infations
caused blue bag in goats
a-toxin, leykocidin, protease, lipase, phospholipase
general term for a rod shaped bacteria from colon
general tern for a chain of shperes
causes sore throat in humans
Commonly grows in straw bedding used for free stalls
digestive enzyme in leukocytes
spread among cows during the milking process
teat end eversion
Clots, flakes, or blood in milk
maintains teat end tissue integrity
most common bacterial cause of diarrheal illness globally
Caused typhoid fever
Lung granuloma consisting of inflammatory cells
more tolerant of heat stress
cow side test for examining milk for mastitis
human illness after exposure to contaminated food
the frequency of new infections in eary dry period is 6 fold of that in lacation
the frequency of new infections in lacation is 6 fold of that in early dry off
movement of leukocytes and fluids from blood stream is refferred to as the inflammatory response
the purpose of systemis therapy is to place antibiotics in a position to contact bateria that are growing in the teat and gland cisterns of an infected quarter
legal limit for SCC is 100,000
tescue toxicosis in cattle and horses is caused by endophyte Acremonium coenpphialum
most common cause of bacterial diarrhea in the world is listeria
the death rate from typhoid fever decreased with development of chlorniation of water in the 1980's
When a cow is diagnosed with subclinical mastitis, symptoms are clots, flakes, or blod in milk
teat cistern tissured are irritated by hard liner mouthpieces and excessive vacuum levels
Leukocytes move into mammary tissues only when bateria have entered the teat canal causing infections
In acidosis, large amounts of fluid move into the rumen to lower the gastric pH
the best preventative for preventing acidosis is to provide plenty of forage and fiber in diet
the mean SCC for coes infected with major pathogens increase as cows get older
leukocyteds constantly move into the udder at a steady rate, looking for foreign substances and when milk production drops the leukocytes become diluted and the SCC decrease
cows drink 10% more water at temps abolve 80F to counteract heat stress
grass tetany in cattle and horses is caused by Acremonium coenophialum
the optimal time to treat mastitis is at the beginning of dry off
under mild heat stress, cows exhibil excessive panting and salivation and water consumption increases
The SCC tends to be lower at the end of milking
dairy cows are from northern European regions and are tolerant of low env't temps
during a 20 year period, nearily 90% of all food related disease outbreaks were caused by consumption of raw milk
during heat stress, ACTH produced by the pituitary stimulates cortisol production from the adrenals
endotoxic mastitis is caused by Strep uberis and is commonly treated by frequent stripping and anministration of electolytes and anti inflammatory agents
what is the best bedding to inhibid bacterial growth?
what is the worst?
thermo regulatory zone
M. paratuberculosis infects what part of the small intestine?
Goal of dairy men is to have SCC less than what?
milk from mastitic cows, what is increased?
what is the greatest monetary loss with mastitic cows
reduced milk production
heat loss by cows can occur via blood vessle dialation which is called
which is not one of the 4 standard ways to cure an infected mammary glad quarter
a prolactinoma is an abmornal growth or a beningn tumor of what endocrine land?
what bacterial species results in the a modest increase in SCC when it infects a mammary glad?
another name for brucellosis in cattle is
a byproduct of mammary gld infectinos that results in depression, dehydratoin, diarrhea, and shock is
the optimum time furing lactatoin the cycle to treat is
the goal for SCC in a bulk tank is
less than 10,000/ml
it is improtant to keep cows standing for how long after milking
when fully inserting a treatment syringe into the teat, what does NOT happen?
maintenance of tissue integrity
lacational bone loss in nursing humans is results in mineral reabsorptions from bones, leading to poisoning from what element?
spontanious milk secretion
prolactinoma is an abromal growth of a benign tumor of what endocrine gland?
What bacterial species is not associated with fever, vomiting, and diarrhea?
what is another name for brucelosis (3)
bangs disease, Enzootic abortion, contagious abortion
what microorganism reproduces via budding?
jack-in-the-box E. coli is what strain?
what is a prokaryote
what microorganism redirects cytoplasmic trafficing with in macrophages and multiplies in specialized organelles?
what is Dr. nickerson middle name?
what is the order of subclinical mastisits?
Bovine brucellosis (organism)
slinking of the calf disease
Johne's Disease (organism)
Creutzfeldt-jakob disease (organism)
Mycobacterium avium subsp. paratuberculosis
Procine brucellosis (organism)
endotoxic mastitis (organism)
grass tetany is a result of what mineral defeciency?
another name ofr grass tetany
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