Dwarfism in Livestock
Dwarfism is characterized by short stature. Dwarfism can be caused by any one of more than
300 conditions, most of which are genetic.
There are two
main categories of dwarfism -- disproportionate and proportionate.
Disproportionate dwarfism is characterized by an average-size torso and shorter
arms and legs or a shortened trunk with longer limbs.
In proportionate
dwarfism, the body parts are in proportion but shortened. Dwarfism
can be caused by any of more than 200 conditions.
Causes of proportionate
dwarfism include metabolic and hormonal disorders such as growth hormone deficiency.
The
most common types of dwarfism, known as skeletal dysplasia’s, are genetic.
Skeletal dysplasia’s are conditions of
abnormal bone growth that cause disproportionate dwarfism.
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