Lecture 22 4/8/24 Flashcards
What order and suborder applies to camelids?
-order Artiodactyla
-suborder Tylopoda
Which camelids fall under the old world camelid category?
-dromedary
-bactrian
-wild bactrian
What are the general characteristics of dromedaries?
-one hump
-hump for fat and water storage
-callosities on feet knees, and stomach
-callouses help protect from desert life
What are the general characteristics of bactrians?
-two humps
-woolier and stockier
Which structures are found within the hump?
-adipose tissue
-connective tissue
-blood vessels
-thicker skin covering
What are the characteristics of camelid eyes?
-horizontal pupil
-iridic granules to shield sunlight
-double eyelash
What are the characteristics of the dullaa?
-present in male and female dromedary only
-swells w air during rut in male; show or intimidation
-soft palate diverticulum
-exteriorized via air trapped within lateral pouches of diverticulum
-contains lymphoid tissue
What are the characteristics of the camelid stomach?
-three compartments
-C1 and C2 for anaerobic fermentation
-C3 acts like abomasum
-gastroliths common
-shunt in neonates from esophagus to C3
-torus pyloricus on lesser curvature of C3
Which camelids fall under the new world camelid category?
-llama
-guanaco
-alpaca
-vicuna
How do llamas and alpacas compare?
-llamas are larger
-llamas have banana ears vs. alpaca’s smaller, straight ears
-llama has coarse coat while alpaca has fine coat
-both have dental pad and canine teeth
Why is it important that intact and late-castrated males have increased neck skin thickness?
increases difficulty of venipuncture; may require a cut down
What are the characteristics of camelid tympanic bullae?
-multi-compartmented w/ medial and lateral compartments
-honeycomb interior that complicates ear infection treatment
-deep to parotid gland
-under a highly dense neurovascular area
