Saturday, March 9, 2024
Friday, September 16, 2022
问题:多选题下列肌肉中属于肘关节的屈肌是()。A斜方肌B冈上肌C臂肌D臂头肌E臂二头肌...
Sunday, May 28, 2023
问题:单选题牛的胎盘类型属于()A 血绒毛膜胎盘(盘状胎盘)B 内皮绒毛膜胎盘(环状胎盘)C 尿囊绒毛膜胎盘(柱状胎盘)D 上皮绒毛膜胎盘(分散状胎盘)E 结缔绒毛膜胎盘(绒毛叶胎盘)...
Tuesday, January 2, 2024
问题:食物在酶的催化作用下,由大分子逐级分解为小分子营养物质的过程,称为生物学消化。...
Thursday, September 15, 2022
Saturday, November 19, 2022
问题:养好仔猪的三个关键时期包括()、3日龄到3周龄和3周龄到断奶。...
Thursday, September 22, 2022
问题:单选题血液内有病原微生物的毒素或其他毒性产物的蓄积而引起全身中毒的现象称为()。A 菌血症B 病毒血症C 毒血症D 脓毒败血症...
Saturday, November 19, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:单选题日本分体吸虫的发育需要中间宿主()。A 扁卷螺B 钉螺C 椎实螺D 蚂蚁E 蚯蚓...
Thursday, March 30, 2023
问题:单选题心脏位于()。A 腹腔B 胸膜腔C 腹膜腔D 胸纵隔...
Sunday, January 26, 2025
问题:杜洛克猪生长速度快、饲料报酬高、胴体品质好,但繁殖力偏低,适合做()...
Thursday, September 22, 2022
问题:填空题同种动物年龄体重相近的不同个体,对药物的质或量的感受性存在的差异称为()差异。...
Friday, July 11, 2025
问题:填空题猪一段()月龄达到性成熟,()月龄就可以初次配种。母猪的平均发情周期()天,发情持续期约()天。...
Wednesday, July 30, 2025
问题:在蛋的形成过程中,其中蛋壳膜是由输卵管的()分泌的。...
Thursday, September 22, 2022
Wednesday, September 21, 2022
问题:畜体前肢的静脉血流回心脏的过程中需要经过的血管有()。...
Thursday, September 22, 2022
Wednesday, September 14, 2022
Wednesday, January 24, 2024