Shared Flashcard Set

Details

Lecture 2
PP2
37
Veterinary Medicine
Professional
08/27/2016

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
What are the only 3 unprotected species of birds in the US?
Definition
-house sparrow
-European Starling
-rock Pigeon
Term
What is the Migratory Bird Treaty Act of 1918?
Definition
-It is unlawful to take, import, sell, purchase, barter, any migratory birds, feathers, or other parts, nests, or eggs
-ratified by Canada and Mexico mostly to protect migratory waterfowl
Term
What is the Lacey Act?
Definition
-this act is violated if you transport migratory birds across state lines
-this does not include legally taken game birds
Term
What was the purpose behind the Endangered species act?
Definition
-passed in 1966 because of concern over Bald Eagle decline
Term
What is the Bald Eagle act of 1940?
Definition
-provides special protection for the Bald Eagle
-it was amended later to include the Golden eagle
Term
What is the clinical relevance of the avian integument?
Definition
-feathers are important indicators of stress and malnutrition in captive birds which can result from poor husbandry practices
Term
True or False: Most problems with companion birds stem from poor husbandry practices.
Definition
-TRUE
Term
What is feather picking?
Definition
-an obsessive destructive behavior pattern during which all or part of a bird's feathers are methodically frayed, amputated, or pulled out below the head
-type of displacement behavior
-very difficult to cure
Term
What are the most common causes of feather picking? What are some of the less common causes?
Definition
-MOst common: Psychosis from isolation, improper socialization
-Less common: toxins, malnutrition, bacteria, viruses, fungi, parasites
Term
What is Psittacine Beack and Feather Diseae? What causes it?
Definition
-the most significant disease of psittacines with ALL PARROTS AT RISK
-caused by a circovirus
Term
Which psittacines are mostly affected by PBFD?
Definition
-macaws, cockatoos, lovbirds, and African grays
Term
What are the clinical signs of PBFD?
Definition
-loss or serious deformation of contour feathers
Term
Which parts of the body, in addition to feathers, are affected by PBFD?
Definition
-liver, brain, immune system
Term
What is the prognosis for young birds with PBFD? Older birds? Is there a cure?
Definition
-fatal in young birds
-rarely recover older birds
-no cure
Term
What causes French MOlt in Bugerigars? Clinical signs? AKA?
Definition
-polyoma virus
-flight feathers break off at fledging
-affected birds are called runners or creepers
Term
What kinds of ectooarasites are seen in birds? Difficult or easy to treat? Indicates what?
Definition
-mites, ticks, lice, etc
-most are easily treated
-indicate poor husbandry
Term
What is Imping?
Definition
-artificial method for replacing broken flight feathers
-used by rehabers and falconers
Term
What is the cure for creepers?
Definition
-selective breeding
Term
Describe the major characteristics of avian skin. (5)
Definition
-thin, delicate, easily torn (excluding ratities)
-non-glandular (excluding the uropygeal gland)
-very loosely attached (excluding feet)
-poorly vascularized
-characterized by colorful ornamentation
Term
True or FAlse: Although avian skin is non-glandular, they do have evaporative cooling through the skin during heat stres.
Definition
-TRUE
Term
What is the clinical significance of avian skin being poorly vascularized?
Definition
-bleeds less than mammals
Term
Avian skin is characterized by colorful ornamentation such as wattles, snoods, combs, and pouches. From where do they derive?
Definition
-epidermis
Term
Feathers are a bird's most distinctive feature. Colelctively they are referred to as what?
Definition
-plumage
Term
What are the functions of the feather?
Definition
-insulation for thermoregulation: rousing, sleeking, gular fluttering
-aerodynamics
-social signaling
-camouflage
-sound production
-water repellency
-food prehension, tactile sensation
Term
FEathers are made of what?
Definition
-keratin: composed of microscopic filaments embedded in an amorphous protein matrix
-very durable and resistant to digestive enzymes and UV light
Term
True or FAlse: A bird's skeleton weighs more than its plumage.
Definition
-FALSE, a bird's plumage weighs more than its skeleton
Term
What are the two types of feather coloration? Describe them.
Definition
1. Structural: produces iridescent, metallic, and other intense colors by diffracting light like a prism
2. pigments
Term
From where do birds derive their feather pigments?
Definition
-from their food
Term
Are feathers randomly distributed?
Definition
-no, grow in organized tracts called pterylae
Term
Definition: Apterium
Definition
-areas of the skin where no feathers grow
Term
Definition: Remiges
Definition
-large wing feathers of the bird
Term
Definition: Primary remiges
What is their primary funciton?
Definition
-remiges attached to the manus
-provide majority of forward propulsion during flight
Term
Definition: Secondary remiges
-What is their primary function?
Definition
-remiges that attah to the antibrachium
-provide the majority of lift during flight
Term
Definition: Rectrices
-What is their primary function?
Definition
-tail feathers
-for steering
Term
Definition: Coverts
-What is their primary function?
Definition
-contour fetahters
-provide structural support for flight feathers and smooth the surface of the wing
Term
Definition: Powder down
-What is its primary function?
Definition
-powder that coats the feathers
-for water-proofing and feather maintenance but is also an allerfen
Term
Which feathers are trimmed during wing clipping?
Definition
-secondary remiges
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