接种MD三价疫苗的4个品系的商品鸡群，抗RB1B超强毒株攻毒的平均保护效力为94.60%； 在模拟MD强毒自然传染的试验中，MD三价疫苗的保护效力达到95.65%。

The mean protection of trivalent vaccine was 94.60% in four commercial chicken strains against RB1B challenge, and was 95.65% in the MDV natural infection model experiment.

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第二条本规定适用于商品范围为出口的冰鲜鸡和冷冻鸡(以下统称冻鸡)。

Article 2 the scope of commodities to which these Regulations shall apply covers iced fresh chicken and frozen chicken (hereinafter referred to as frozen chicken) for export.

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所产带叶桑枝广泛用于生产鸡、 猪、牛、羊、鹿、兔、鱼等禽畜用饲料的商品化原料。

Mulberry twigs with leaves produced are commercialized raw materials widely used for producing feeds for the livestock like chickens, pigs, cattle, sheep, deer, rabbits, fish, etc.

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