device for laying and for automatically recording the number of eggs laid by a chicken.

• 1. 饲料转化率改善剂、存活率改善剂、产卵鸡的产卵数改善剂和对动物给与这些剂的给与方法以及饲料 [P] . 中国专利： CN109310111A . 2019-02-05
• 2. 专用于豆天蛾的产卵装置及基于其提高豆天蛾产卵量的方法 [P] . 中国专利： CN111587846A . 2020-08-28
• 3. apparatus for automatically recording the number of eggs laid by a chicken. [P] . DK44334C . 1931-07-13

  机译： 自动记录鸡产卵数的装置。

• 4. FEED COMPOSITION FOR EGG-LAYING HEN, METHOD FOR BREEDING EGG-LAYING HEN AND LAID EGG [P] . 日本专利： JPH07227221A . 1995-08-29

  机译： 蛋鸡的饲料组成，蛋鸡和蛋鸡的选育方法

• 5. Egg-laying play tool chicken. [P] . 德国专利： DE1762950U . 1958-03-06

  机译： 产蛋玩工具鸡。

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• 7. A device for recording automatic audio tape recording [O] . Martha E. Bernal, Dennis M. Gibson, Donald E. Williams, 1971
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• 9. AUTOMATIC DATA REDUCTION Part I A RESEARCH STUDY OF AUTOMATIC DATA RECORDING DEVICES [R] . Albert K. Hawkes 1954

• 1. Egg laying behavior of common cuckoos (Cuculus canorus): Data based on field video-recordings [J] . Long-Wu Wang ,Guo Zhong ,Gang-Bin He . 动物学研究 . 2020,第004期
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