Food Animal Integument Surgery Flashcards
what are the phases of wound healing?
inflammation
tissue formation
tissue remodeling
what is thee average thickness of cow skin?
4-5mm
what conditions might be treated with teat and udder surgery?
supernumerary teats vs accessory mammary gland
congenital atresia
tight teat sphincter
teat spider
teat lacerations
how many layers does the teat have?
5
why would a teat amputation be performed?
severe mastitis
last ditch effort for precocious udder
where can congenital atresia occur?
teat orifice
teat cistern
annular ring
gland cistern
what is a tight teat sphincter?
fibrosis of furstenberg rosette
what is a teat spider?
scar tissue intruding into teat cistern
why do teat fistulas occur?
laceration into cistern
removal of supernumerary teats
what are horns?
highly keratinized epidermis over a bony projection
what is the preferred age of dehorning cattle?
<5 weeks of age
what is scur potential if a goat is dehorned after 14 days of age?
> 50%
when should you disbud goat kids?
<14 days of age
bucklings 5-7 days
what is the maximum dose of lidocaine for goats?
6 mg/kg
what separate the teat cistern and gland cistern?
annular ring
what are the teat cistern and streak canal separated by?
rosette of furstenberg
what are the 5 layers of the teat?
mucosa
submucosa
conjunctive tissue
muscularis
skin
what is the most common congenital anomaly of cattle?
supernumerary teats
when are supernumerary teats removed?
by 4-6 months of age
if milk production is large in an accessory mammary gland, what should you do after removing the teat?
anastomose both teats’ cisterna
how can you treat congenital atresia?
simple perforation with large needle
theloscopy
teat prosthesis
what is a teat spider usually secondary to?
trauma and submucosal hemorrhage
when should you repair a teat fistula?
wait until cow is dry
what must be removed for a successful dehorning?
skin and horn corium surrounding the hornbud or horn
what local anesthesia can you use for dehorning?
cattle: cornual nerve
cornual branches of zygomaticotemporal and infratrochlear nervees
when can you not use caustic paste?
calves older than 2 weeks
goats
