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This is a list of some of the cattle breeds considered in the United States to be wholly or partly of American origin. Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively American.
Cow dung, also known as cow pats, cow pies, cow poop or cow manure, is the waste product of bovine animal species. These species include domestic cattle ("cows"), bison ("buffalo"), yak, and water buffalo. Cow dung is the undigested residue of plant matter which has passed through the animal's gut. The resultant faecal matter is rich in minerals
Nitrogen concentration of cattle urine varies between approximately 3.0 and 10.5 g/L. Although many nitrogenous constituents are involved in the chemical make-up of cattle urine, urea is dominant. Urea concentration represents 52.0% to 93.5% of total urinary nitrogen and is dependent upon the amount of dietary protein consumed by cattle. [6]
However, the breed that is used most often in the meat industry is Pirenaica. [4] Of all of the breeds used in meat production in this region, this is the only breed that is completely native to the Basque Country. [3] Dairy cattle are present in 17% of Basque farms. These animals are the only type of livestock in the Basque Country that must ...
The 2003 rule established "non-numerical best management practices" (BMPs) for CAFOs that apply both to the "production areas" (e.g. the animal confinement area and the manure storage area) and, for the first time ever, to the "land application area" (land to which manure and other animal waste is applied as fertilizer).
Polled strains have been developed of many cattle breeds which were originally horned. This has usually been done by crossing with naturally polled breeds, most commonly Angus and Galloway cattle. For example, polled Jersey cattle originated in Ohio sometime prior to 1895. Two strains were developed, the first to appear being founded by crosses ...
One of the Channel Islands cattle. Harzer Rotvieh: Germany: Hays Converter: Canada: Hérens: Switzerland: Holstein-Friesian: Netherlands [1] 53 14 3.65 [2] 3.06 [2] Known for producing the most milk of any cattle. Illawarra Shorthorn: Australia [1] 7.5 2 Irish Moiled: Ireland: 7.5 2 Rare breed and can be dual purpose, meat and milk. Jamaica ...
The manure is usually stored in slurry form (slurry is a liquid mixture of urine and feces). During storage on the farm, slurry emits methane and when manure is spread on fields it emits nitrous oxide and causes nitrogen pollution of land and water. Poultry manure from factory farms emits high levels of nitrous oxide and ammonia. [108]