your grandma
The purpose of selective breeding is to develop livestock whose desirable traits have strong heritable components and can therefore be propagated
During the agricultural revolution in England
artificial selection artificial selection
One of the most important things farmers did that improved the quality of their livestock, according to Charles Darwin, was to participate in selective breeding. This brought out the best features of each type of livestock, while ridding the offspring of unwanted characteristics.
Bulls are primarily used for breeding purposes on a farm. They mate with cows to produce calves, which helps maintain and grow the farm's livestock population. Bulls are also used in some cases for meat production but their primary role is in breeding.
Everywhere, if you mean as in raising and breeding livestock.
John Foster Lasley has written: 'Genetics of livestock improvement' -- subject(s): Breeding, Genetics, Livestock, Livestock improvement, Livestock improvement)
Characteristics of the Agricultural Revolution. >Livestock Breeding.
Ralph Bogart has written: 'Beef cattle breeding research in the western region' -- subject(s): Beef cattle, Breeding 'Improvement of livestock' -- subject(s): Livestock
The purpose of selective breeding is to develop livestock whose desirable traits have strong heritable components and can therefore be propagated
N. F. Rostovtsev has written: 'Theory and practice of livestock breeding' -- subject(s): Livestock
Farming was invented to produce livestock, eggs & milk.
Jay L. Lush has written: 'Animal breeding plans' -- subject(s): Animals, Breeding, Livestock
Only with most of their dogs and cats. They don't spay any of their female livestock, but will neuter or castrate the male livestock that are undesirable for breeding.
James Edward Nichols has written: 'Livestock improvement in relation to heredity and enviroment' -- subject(s): Heredity, Livestock 'Livestock improvement in relation to heredity and environment' -- subject(s): Breeding, Heredity, Livestock
N. Amarzhargal has written: 'Malchny udam tanaa' -- subject(s): Nomads, Herding, Livestock, Breeding, Domestic animals 'Malchny udam tanaa' -- subject(s): Nomads, Herding, Livestock, Breeding, Domestic animals
Haying, harvesting crops, spraying fields, seeding, tilling fields, breeding cows, vaccinating calves, pasturing livestock, feeding livestock, etc.