适用于所有含有任何比例动物纤维的纺织品。有关幼虫繁殖的资料载于附件。将经过处理的涡度控制样本和已知质量的试样与选定的幼虫接触14天。确定所有试样的质量损失和试验幼虫的状况，以评估每个试样的抗性。

Applicable to all textiles containing animal fibres in any proportion. Information relating to the breeding of the larvae is given in the annex. Conditioned voracity control specimens and test specimens of known mass are placed in contact with selected larvae for 14 days. The loss in mass of all specimens and the condition of the test larvae are ascertained to assess the resistance of each test specimen.