A growing concern of the dairy industry is to increase dairy cattle wellbeing in anticipation of a demand from the general public of welfare-certified dairy products. Lameness is one of the most important welfare issues of high producing dairy cows in North America (Vermunt, 2007). It is a debilitating condition that challenges sustainability of production systems used in North America because ...

such as those for organic foods are rapidly increasing worldwide. Although consumers support development of technologies to improve animal health and meat quality, they have a negative view of what can be perceived as “unnatural” in the pork production system. Organic products are often purchased, because it is believed that they are healthier and safer than conventional products. Moreover, in ...

| A spontaneous neurological mutation was detected in a colony of Sprague Dawley rats. The animals developed a progressive neurological syndrome characterized by tremor (which appeared at the age of 1 month), ataxia (at 4 months), immobility episodes (after 5-6 months), audiogenic seizures and hindlimb paralysis (after 10 months). Cross breeding experiments indicate that this is an autosomal re...

The Alpharma Beef Cattle Nutrition symposium was held at the joint annual meeting of the American Society of Animal Science, the American Dairy Science Association, the Asociación Mexicana de Producción Animal, and the Poultry Science Association in San Antonio, Texas, July 8 to 12, 2007. The purpose of the symposium was to discuss the potential to influence ruminant animal production through n...

The growing concerns of consumers on the use of antibiotic as a growth promoter in livestock feed have fueled the interest in alternative products. In the recent years a group of natural product known as phytogenic has been a focus of several studies. Phytogenics are a heterogeneous group of feed additives originating from plants and consist of herbs, spices, fruit, and other plant parts. These...

Emulsifying salts (ES) are used for process cheese production, however, it is not completely understood how ES influence the physical and chemical properties of process cheese. The purpose of this study was to understand the interactions between ES and milk proteins using a simple model system. In this system, milk protein concentrates (MPC) solution was used as the source of milk protein and t...

In 1996, the Council for Agricultural Science and Technology (CAST) published a report entitled Integrated Animal Waste Management. One of the recommendations in that report was to “change animal diets to decrease nutrient outputs” (CAST 1996, 1). Since that time, concentration of animal production units has continued, public concern about the environmental effects of animal manure has increase...