Mastitis

Mastitis

1. Ventilation

   • Ventilation × average yield (p=0.002)
   • Hygiene × ventilation (p=0.000)
   • Washing of udder × ventilation (p=0.001)
   • Type of farm × ventilation (p=0.000)
   • Stage of lactation × ventilation (p=0.000)
   • Ventilation × herd size (p=0.000)

2. Type of farm

   • Type of farm × average yie (p=0.000)
   • Type of farm × hygiene (p=0.000)
   • Type of farm × washing of udder (p=0.004)
   • Type of farm × stage of lactation (p=0.000)
   • Type of farm × herd size (p=0.000)

3. Stage of lactation

   • Stage of lactation × average yield (p=0.000)
   • Stage of lactation × washing of udder (p=0.000)
   • Stage of lactation × milking methods (p=0.004)
   • Stage of lactation × herd size (p=0.000)

4. Hygiene

   • Washing of udder × average yield ( p=0.000)
   • Washing of udder × hygiene (p=0.001)
   • Hygiene × herd size (p=0.000)
   • Washing of udder × milking methods (p=0.003)
   • Washing of udder × herd size (p=0.014)