发明名称 Laying nest for egg collection - has fine-mesh grating e.g. of pressed gauze in bottom
摘要 <p>The laying nest for egg collection comprises a rectangular box open at the top and mounted slightly clear of the floor. Wheat or oat chaff is laid on the bottom to form the nest material. The bottom (2) of the.nest (1) is at least partly formed by a fine-mesh grating (9). The latter can be of pressed gauze, the nest walls being at an acute angle, between 25 and 75 deg., to the top surface.</p>
申请公布号 NL8702212(A) 申请公布日期 1989.04.17
申请号 NL19870002212 申请日期 1987.09.16
申请人 JOHANNES VAN DER AVOIRD TE UDEN. 发明人
分类号 A01K31/16 主分类号 A01K31/16
代理机构 代理人
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