Photovlotaics or PV power has been around for a good many years in some form or another. It is commonly referred to today as solar power and is distributed in the form of PV modules, which are also referred to by another commonly used name: solar panels. It is most typically priced by the watt and there are many different panel sizes and different wattages and voltage configurations.
Improving cattle handling practices provides many advantages. Cattle that remain calm during handling have improved weight gain and are less likely to have dark cutting meat. Dark cutting is a serious quality defect where the meat is darker and drier than normal and it has a shorter shelf life at the grocery store. Another advantage of adopting low stress cattle handling methods is to reduce injuries to both people and cattle.