Lec 5 Flashcards
associated w/ low levels of magnesium
grass tetany
hypomagnesemic tetany
grass stagger
hypocalcemic metabolic disorder that occurs in pregnant or lactating animals
parturient paresis/milk fever
lightly pigmented skin shows a hyperactive rxn to sunlight
photosensitization
types of photosensitization
Type 1 - primary
Type 2 - Aberrant endogenous pigment synthesis
Type 3 - hepatogenous (common)
Type 4 - idiopathic
product of chlorophyll breakdown
porphyrin
typically occurs in cows and ewes in late pregnancy, after the stress of prolonged transport
transport tetany
railroad dx
railroad staggers
(deficiency) animals chew and lick various objects
sodium chloride
(deficiency)
Young: spontaneous fracture of bones; retarded
general growth & development
Adult: lengthy depletion is required before
bones become fragile
calcium
(deficiency)
Lambs: knock-kneed, slow growth, thriftiness, poor appetite
Adult: low milk production, fragile bones, low conception rates
phosphorus
excess P in sheep can lead to ________
urolith formation
(deficiency) goiter
iodine
(deficiency) anemia, inappetence, retarded growth,
rough hair coat, low milk production
cobalt
(deficiency) anemia, bone fragility, loss of hair, and poor wool growth in sheep (steely wool)
copper
molybdenum
(deficiency) anemia
iron
(deficiency) grass tetany
magnesium
(deficiency) poor growth, marked impairment of wool
growth in sheep
sulfur
(deficiency) skeletal abnormalities
manganese
(deficiency) experimental deficiency: slipping of wool,
wool-eating, anorexia, growth retardation
zinc
(deficiency) white muscle dx
selenium
(deficiency)
Cs: excessive lacrimation, watery diarrhea, nasal discharge, coughing, night blindness
Lambs and kids born from Vit. A-deficient dams may be born dead or very weak
Vit A
(deficiency) related to Ca, P
swollen leg joints and beaded ribs (rickets)
Vit D
(deficiency) w/ Se
white muscle dx
Vit E
(deficiency) synthesized by rumen bacteria and distributed widely in green, leafy forages
Vit K
(deficiency) milk and other natural feeds contain adequate amounts for the young
B-complex
(deficiency) synthesized in tissues of even young ruminants
Vit C
Classification of Dx
- potential for very serious and rapid spread
- serious socio-economic and/or public health consequence
- major importance in international trade
- priority of the government for prevention, control and eradication programs
1st priority dx
ex of 1st priority dx
anthrax
hemorrhagic septicemia
Classification of Dx
- communicable diseases
- socio-economic and/or public health importance
- significant in international trade
2nd priority dx
ex of 2nd priority dx
blackleg
brucellosis
Classification of Dx
- communicable diseases
- recently detected to be present in the country
- confined in limited areas or farms
emerging dx
ex of emerging dx
CAE
BVD
Classification of Dx
- no longer present in the country based on the classification of OIE listings of diseases, A and B
exotix dx
