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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Gentle M J, Dewar W A

Br Poult Sci. 1981 May;22(3):275-9. doi: 10.1080/00071688108447886.

Two groups of chicks (Gallus domesticus) were fed on a vitamin A-deficient diet for 24 d. Birds in one group, which acted as a control, were dosed orally with retinyl palmitate in corn oil, whereas the other group (experimental) was given corn oil only throughout the experiment. 2. At regular intervals birds in both groups were stimulated, orally with solutions of acetic acid, quinine hydrochloride and sodium chloride and the number of beak and tongue movements counted. 3. By the end of the experiment the vitamin A-deficient birds showed a significant decrease in their response to the oral stimulants compared with the control birds.

将两组小鸡（家鸡）用缺乏维生素A的饲料喂养24天。其中一组作为对照，经口给予溶于玉米油的棕榈酸视黄酯，而另一组（实验组）在整个实验过程中只给予玉米油。2. 定期经口用乙酸、盐酸奎宁和氯化钠溶液刺激两组小鸡，并记录喙和舌头的运动次数。3. 到实验结束时，与对照小鸡相比，缺乏维生素A的小鸡对经口刺激物的反应显著降低。

Gentle M J, Dewar W A

Br Poult Sci. 1981 May;22(3):275-9. doi: 10.1080/00071688108447886.

Two groups of chicks (Gallus domesticus) were fed on a vitamin A-deficient diet for 24 d. Birds in one group, which acted as a control, were dosed orally with retinyl palmitate in corn oil, whereas the other group (experimental) was given corn oil only throughout the experiment. 2. At regular intervals birds in both groups were stimulated, orally with solutions of acetic acid, quinine hydrochloride and sodium chloride and the number of beak and tongue movements counted. 3. By the end of the experiment the vitamin A-deficient birds showed a significant decrease in their response to the oral stimulants compared with the control birds.

将两组小鸡（家鸡）用缺乏维生素A的饲料喂养24天。其中一组作为对照，经口给予溶于玉米油的棕榈酸视黄酯，而另一组（实验组）在整个实验过程中只给予玉米油。2. 定期经口用乙酸、盐酸奎宁和氯化钠溶液刺激两组小鸡，并记录喙和舌头的运动次数。3. 到实验结束时，与对照小鸡相比，缺乏维生素A的小鸡对经口刺激物的反应显著降低。