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| ==References== | | ==References== |
| | | |
− | # | + | #Merck & Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''', ''Merial''. |
| + | #Aitken, I D (2007) '''Diseases of Sheep''', ''Blackwell''. |
| + | #Pugh, D G (2002) '''Sheep and Goat Medicine''', ''Elsevier Health Sciences''. |
| + | #Taylor, M A et al (2007) '''Veterinary Parasitology (Third Edition)''', ''Wiley-Blackwell''. |
| | | |
| ==Links== | | ==Links== |