David G Pugh
David G Pugh
This article is an overview of trace mineral nutrition, disease association with dietary inadequacy of trace minerals, and the associated diseases in goats. The trace minerals most commonly associated with deficiency-related diseases encoun...
Jerry W Spears
Jerry W Spears
Several trace mineral sources, including inorganic, numerous organic, and hydroxychloride sources, are available for dietary supplementation or inclusion in a free-choice supplement. Inorganic forms of copper and manganese differ in their b...
William S Swecker Jr
William S Swecker Jr
Trace minerals are commonly supplemented in ruminant feeds as many common feeds are deficient in one or more of the trace minerals. The requirement of trace minerals needed to prevent classic nutrient deficiencies is well established, thus ...
Ian J Lean,Helen M Golder
Ian J Lean
While mineral requirements do not differ with the production systems, the forage bases of the different dairy production systems influence the risk of mineral deficiency. Testing representative pastures on a farm is a key to understanding t...
Trace Mineral Supplementation of Beef Cattle in Pasture Environments [0.03%]
pasture环境中肉牛的微量元素补充饲料研究
William S Swecker Jr
William S Swecker Jr
The United States Department of Agriculture defines pastureland as "A land cover/use category of land managed primarily for the production of introduced forage plants for livestock grazing." The purpose of this article is to review trace mi...
Ruminant Metabolic Diseases [0.03%]
反刍动物代谢病
Robert J Van Saun
Robert J Van Saun
John Roche
John Roche
Grazing cows undergo a similar degree of metabolic stress and immune dysregulation to those reported in high-yielding housed cows consuming total mixed rations, but the ability to manage daily nutrient intake is much less. Feed quality vari...
Metabolic Factors at the Crossroads of Periparturient Immunity and Inflammation [0.03%]
代谢因素在围产期免疫和炎症的交汇点上的作用
Angel Abuelo,Sabine Mann,Genaro Andres Contreras
Angel Abuelo
Periparturient cows have the highest risk for disease and culling in the adult dairy herd. This risk is compounded by the multiple physiological changes of metabolism and immune function occurring around calving that alter the cow's inflamm...
Andrea Mongini,Robert J Van Saun
Andrea Mongini
Pregnancy toxemia is a common metabolic disease of late pregnant ewes and does, which potentially has devastating impacts on health and performance. This metabolic syndrome is not only one of over conditioned animals but is more typically a...
Considerations in the Diagnosis and Treatment of Early Lactation Calcium Disturbances [0.03%]
泌乳早期钙紊乱的诊断与治疗考虑因素
Jessica A A McArt,Garrett R Oetzel
Jessica A A McArt
This article reviews the history of clinical hypocalcemia and the evolving definition of subclinical hypocalcemia, targeting a concept for consideration that not all hypocalcemia is negative. With a goal of presenting bovine practitioners i...