Poultry Disease




  1. Disease in an alteration of the body or body organs which interrupts the body's function
  2. Disease often results from a combination of two or more causes
  • indirect or predisposing factors- lower the birds rersistance 
  • direct or determining factors which produce the actual disease
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Adolescent on 14 Januari 2012 pukul 02.14 mengatakan...

Sewa Ruang Kantor Jakarta Murah

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