Trace elements Flashcards
what conditions are cuased by Cu deficiency - sheep and cattle
swayback (sheep) changes coat colour (cattle) fallin disease (collagen defect and subs aortic rupture)
what breed of sheep are susceptible to deficiency and which to toxicity
deficiency = scottick blackface toxicity = nrth ronaldsay and texel
what can Cu toxicity cause
haemaolytic crisis - jaundice and death and hypovolaemic shock
what in both the rumen and pasture binds Cu
molybdenum and iron
with Cu its vital to monitor the liver if going to supplement or are concerned ,how can you monitor it
blood samples - only circulating supply
liver bsy - RHS, below ICS 11
why is selenium impt
deficiency = white muscle disease and cardiomyopathy
how can you monitor selenium
blood sample
‘GSHPx’ - indicates the Se level 60d ago…
what does cobalt deficiency lead to
growth retardation
wool changes
what test is there for Co levels
blood test - tests for Vit B12
whats the link between Vit B12 and cobalt
rumen makes vit B12, using cobalt
what is the significance of a Iondine deficiency
weak neonates/still births
how do you monitor iodine levels
blood sample- PIII
thyroid weight
histopath
what is Zn required for?
Immune fct
what is Manganese required for
skeletal formation
where do you get trace elements from
soil and pasture