Stephens J F, Dreyfuss M S
Poult Sci. 1978 May;57(3):823-6. doi: 10.3382/ps.0570823.
In a series of battery trials, normal-sized (AG) broiler type and sex-linked dwarf chicks (D2) were vaccinated with a double dose of Roakin or LaSota strain Newcastle Disease (ND) vaccine, or were challenged with the Gilbert-Boney ND virus. The AG chicks developed higher hemagglutination inhibition titers but suffered more mortality than the D2 chicks following administration of Roakin strain vaccine. Similar percentages of mortality occurred in AG x AG, AG x D2 and D2 x D2 male chicks challenged with the Gilbert-Boney ND virus. Results indicate that the dwarf strain and the AG x D2 cross strain chicks are no more susceptible to ND than the AG strain.
在一系列的试验中,对正常体型的(AG)肉用型雏鸡和性连锁矮小型雏鸡(D2)接种双倍剂量的罗阿金或拉索塔株新城疫(ND)疫苗,或用吉尔伯特 - 博尼新城疫病毒进行攻毒。接种罗阿金株疫苗后,AG雏鸡产生的血凝抑制效价更高,但死亡率高于D2雏鸡。用吉尔伯特 - 博尼新城疫病毒攻毒的AG×AG、AG×D2和D2×D2雄性雏鸡的死亡率相似。结果表明,矮小型品系和AG×D2杂交品系雏鸡对新城疫的易感性并不高于AG品系。