bull相关论文
Single and double layer centrifugation improve the quality of cryopreserved bovine sperm from poor q
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Pulse wave Doppler ultrasound of testicular arteries and their relationship with semen characteristi
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Amplification and Characterization of Bull Semen Infected Naturally with Foot-and-mouth Disease Viru
To investigate the security of semen biologically, 15 bull semen samples were collected (of which 5 exhibited clinical s......
为探索散栏式与栓系式饲养方式对肉牛增重性能的影响,选择体重相近(330 kg左右)、月龄相同(12月龄)、未去势、健康无病的50头西门......
[目的]优良的种公牛对牛群的遗传改良起着极其重要的作用,为提高种公牛精液的利用率、精液产量和质量,对影响种公牛的精液品质的因......
