Saturday, March 30, 2024
问题:在疾病防治种,面积3亩,平均水深1.5米的池塘,需全池泼洒漂白粉3kg。
Wednesday, March 13, 2024
问题:水产动物给药途径常见的有()、()、()、()、()、()。
Sunday, December 24, 2023
问题:下列属鞭毛虫类的是()A、半眉虫B、斜管虫C、库道虫D、椎体虫
Thursday, August 3, 2023
Wednesday, March 6, 2024
问题:水产养殖病害防治中抗菌药物的种类包括()、()、()、()、()等
Friday, February 16, 2024
Saturday, December 23, 2023
问题:引起淡水鱼白内瘴病的是()。A、血居吸虫B、双穴吸虫C、嗜子宫线虫D、淀粉卵涡鞭虫
Monday, March 18, 2024
Thursday, August 3, 2023
Thursday, December 22, 2022
Sunday, September 11, 2022
Tuesday, January 2, 2024
问题:在疾病防治种,面积3亩,平均水深1.5米的池塘,需全池泼洒漂白粉3kg。
Wednesday, December 20, 2023
Sunday, November 12, 2023
问题:使用硫酸铜全池泼洒浓度是()。A、7.0mg/kgB、8.0mg/kgC、0.7mg/kgD、0.8mg/kg
Wednesday, March 6, 2024
Sunday, September 11, 2022
Saturday, April 29, 2023
Sunday, November 12, 2023
问题:饼形碘泡虫主要寄生于哪种鱼类()A、乌鳢—脏器B、鲫鱼—鳃C、草鱼—肠D、鲤鱼—肠
Monday, March 18, 2024