Week 9

Sheep

Wool

Text Transcript

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• Wool contains a high proportion of cystine (sulfur amino acid)
• Does this mean we have to be concerned with AA fed to sheep?
  • Need to ensure that diet contains adequate sulfur for microbial synthesis of sulfur AA
• Energy will have greater influence on wool production
• Restricted nutrition results in decreased fiber diameter, shorter fiber length, and lighter fleece weights
• Nutritional stress also can lead to weakness or break in wool fiber
• Critical protein level appears to be 80 % of recommended requirements