TABLE 4.

Transmission and clinical signs of infection with virus Gs/HK/739.2/02 in ducks

Time (days) p.i.Inoculated ducksContact ducks
No. positivea in:SignsNo. positiveb in:Signs
TracheaCloacaTracheaCloaca
13/33/3None3/31/3None
23/33/3None3/32/3None
33/33/3Lethargy, diarrhea, mucus, labored breathing, cloudy eyes3/32/3Lethargy
41/11/1Death (2/3)2/22/2Lethargy, violent tremors, death (1/3)
51/10/1Cloudy eyes, lethargy, mucus, ruffled feathersd
60/10/1Cloudy eyes, ataxia
71/10/1Cloudy eyes, ataxia, labored breathing
81/10/1Cloudy eyes, ataxia, weight lossc
91/10/1Cloudy eyes, ataxia
101/10/1Cloudy eyes, ataxia, depression
110/10/1Cloudy eyes, ataxia, depression
  • a Number of positive ducks/number of live inoculated ducks.

  • b Number of positive ducks/number of live contact ducks.

  • c Bird lost 29.5% of body weight over 8 days.

  • d —, all ducks dead.