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Hiroyuki Koimaru
Merial
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#1Miki Sugiyama (Merial)H-Index: 2
#2Hiroyuki Koimaru (Merial)H-Index: 1
Last.Toshihiro Ito (Tottori University)H-Index: 25
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Decreases in egg production and increased incidence of abnormal eggs due to malformation of egg shells were observed in specific pathogen free (SPF) 173-day-old laying hens inoculated intravenously with an avian metapneumovirus (aMPV) strain PLE8T1. This strain was derived from an isolate from broiler birds exhibiting swollen head syndrome (SHS). Some SPF birds inoculated with the virus showed, slight diarrhea without any respiratory symptoms. Thus, the PLE8T1 strain was used as a challenge viru...
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