Presence and Determination of Manure-borne Estrogens from Dairy and Beef Cattle Feeding Operations in Northeast China

2011 ◽  
Vol 86 (5) ◽  
pp. 465-469 ◽  
Author(s):  
Han Wei ◽  
Li Yan-xia ◽  
Yang Ming ◽  
Li Wei
2012 ◽  
Vol 9 (7) ◽  
pp. 579-582 ◽  
Author(s):  
Jian-Hua Qiu ◽  
Chun-Ren Wang ◽  
Xu Zhang ◽  
Zhong-Hua Sheng ◽  
Qiao-Chen Chang ◽  
...  

2021 ◽  
Author(s):  
J. Brett Rushing ◽  
Rocky W. Lemus ◽  
Joshua G. Maples ◽  
J. Daniel Rivera ◽  
Johnson C. Lyles

2020 ◽  
Vol 98 (Supplement_3) ◽  
pp. 124-125
Author(s):  
Guilherme J Rosa ◽  
Vera C Aiken ◽  
Arthur Fernandes ◽  
Joao R Dorea

Abstract In this presentation we will discuss our current research on computer vision techniques for optimized management of feed bunks and prediction of live weight in beef cattle. The combination of these two techniques allows not only an enhanced nutritional management in feedlots, but also the determination of economically optimal harvest time for maximized returns. In addition, we will discuss computational and data analytics strategies for integration and analysis of large datasets from multiple sources, including operational farm data, weather and economics, for aiding data-driven decisions to improve beef cattle production.


2008 ◽  
Vol 86 (5) ◽  
pp. 1223-1231 ◽  
Author(s):  
T. J. Klopfenstein ◽  
G. E. Erickson ◽  
V. R. Bremer

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