Search Results - "al Tarcha, B"

Cross-protection studies with vaccine strain H-120 of infectious bronchitis virus using ciliary activity by al-Tarcha, B, Sadoon, S A

“…Forty 3-day-old chickens were immunized intratracheally and another 40 intranasally-intraocularly with vaccine strain H-120 of infectious bronchitis virus…”
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Immunization of day-old chicks having maternally derived antibodies against infectious bronchitis: degree of protection as monitored by ciliary activity after intratracheal challenge by al-Tarcha, B, Kojnok, J, Varró, C s

“…One-day-old chicks with maternally derived antibodies were vaccinated against infectious bronchitis (IB) with 3000 EID50 of the IB vaccine virus designated…”
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Isolation and characterization of new infectious bronchitis virus variants in Hungary by al Tarcha, B, Kojnok, J, Varró, C

“…Two agents not agglutinating chicken erythrocytes were isolated, one in each of two flocks, from organ samples and tracheal swabs taken from 4- to 7-week-old…”
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