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2. Livestock transportation - Wikipedia

   en.wikipedia.org/wiki/Livestock_transportation

   Throughout most of human prehistory and history, the primary means of livestock transportation was by droving.The reason was usually either for seasonal grazing movement (to move them to a summer grazing range or to move them to an overwintering range or shelter) or to bring them to market of one form or another, whether bartering livestock (between farmers) or selling them (whether as stores ...

3. List of cattle terminology - Wikipedia

   en.wikipedia.org/wiki/List_of_cattle_terminology

   Often, mentions of dams imply cows which will be kept in the herd for repeated breeding (as opposed to heifers or cows to be sold off sooner). A young female before she has had a calf of her own [2] and who is under three years of age is called a heifer (/ ˈ h ɛ f ər / HEF-ər). [3]

4. Cow–calf operation - Wikipedia

   en.wikipedia.org/wiki/Cow–calf_operation

   The mother cattle, sometimes known as brood cows, generally come from one of two sources: either female calves raised on the farm itself and retained into adulthood, or cows that are purchased from a specialized seedstock operation which often produces purebred cattle. [9] Cow–calf operations are widespread throughout the United States.

5. Feeder cattle - Wikipedia

   en.wikipedia.org/wiki/Feeder_cattle

   The United States grades feeder cattle that have not reached an age of 36 months on three factors: frame size, thickness, and thriftiness. [7]Frame size evaluates feeder cattle' height and body length as determined by their skeletal size in relation with their age; frame size affects the animals' mature size and weight gain composition as they are fed into fed cattle.

6. High-speed door - Wikipedia

   en.wikipedia.org/wiki/High-speed_door

   High-speed doors are door systems, mainly used in industrial applications. They are technical enhancements of the generally known sectional doors, PVC fabric doors or roller shutters . The main difference is that the durable construction provides a higher operating speed and they are able to sustain a higher number of cycles (opening and ...

7. Cannulated cow - Wikipedia

   en.wikipedia.org/wiki/Cannulated_cow

   A cannula in a cow's side. A cannulated cow or fistulated cow refers to a cow that has been surgically fitted with a cannula. [1] A cannula acts as a porthole-like device that allows access to the rumen of a cow, to perform research and analysis of the digestive system and to allow veterinarians to transplant rumen contents from one cow to another.