Line 22: |
Line 22: |
| The poor growth rates of this group of lambs could be the result of poor grazing, overstocking, PGE, and trace element deficiency acting alone or in various combinations. <br> | | The poor growth rates of this group of lambs could be the result of poor grazing, overstocking, PGE, and trace element deficiency acting alone or in various combinations. <br> |
| The neurological signs are consistent with a diffuse cortical lesion – most likely a hepatic encephalopathy. | | The neurological signs are consistent with a diffuse cortical lesion – most likely a hepatic encephalopathy. |
− | |l1= | + | |l1= Cobalt Deficiency - Sheep |
| |q2=How would you investigate this problem? | | |q2=How would you investigate this problem? |
| |a2= | | |a2= |
Line 28: |
Line 28: |
| *Liver enzyme concentrations (AST, GLDH, and GGT) are raised four- to six-fold in the four lambs sampled. | | *Liver enzyme concentrations (AST, GLDH, and GGT) are raised four- to six-fold in the four lambs sampled. |
| *Serum vitamin B 12 concentration from six lambs reveal very low levels (mean <88.6 pmol/L, <120 pg/mL). | | *Serum vitamin B 12 concentration from six lambs reveal very low levels (mean <88.6 pmol/L, <120 pg/mL). |
− | |l2= | + | |l2= Cobalt Deficiency - Sheep#Diagnosis |
| |q3=What treatments would you administer? | | |q3=What treatments would you administer? |
| |a3= | | |a3= |
Line 35: |
Line 35: |
| Two of 12 lambs failed to respond to vitamin B 12 and supportive therapy and were euthanased for welfare reasons. <br> | | Two of 12 lambs failed to respond to vitamin B 12 and supportive therapy and were euthanased for welfare reasons. <br> |
| Necropsy revealed a pale and friable liver. | | Necropsy revealed a pale and friable liver. |
− | |l3= | + | |l3= Cobalt Deficiency - Sheep#Treatment |
| |q4=How would you prevent a similar problem next year? | | |q4=How would you prevent a similar problem next year? |
| |a4= | | |a4= |
| The low unit cost of cobalt sulphate allows routine inclusion in anthelmintic drenches (commercial ‘SC’ preparations, or at inclusion rates of 15–30 g per 10 L of 2.25% benzimidazole or 1.5% levamisole drench). | | The low unit cost of cobalt sulphate allows routine inclusion in anthelmintic drenches (commercial ‘SC’ preparations, or at inclusion rates of 15–30 g per 10 L of 2.25% benzimidazole or 1.5% levamisole drench). |
− | |l4= | + | |l4= Cobalt Deficiency - Sheep#Control |
| </FlashCard> | | </FlashCard> |
| | | |