NEW TYPES.
LAWS OF MENDEL. In establishing new sheep breeds, Mendelism may he brought into use. It has been proved that certain features can be fixed in sheep which result from crosses when selection is made under the laws of Mendel, says the Live Stock Journal. At present, as far as sheep are concerned, it has not been definitely shown how constitutional features follow: they may or may not be represented in the best degree for the purposes to which the sheep will be put or the conditions under which they will live. Because certain characteristics are destroyed or maintained, there is nothing to show that under fresh environment the features retained may not be abnormally' developed, so that the results obtained constituting a new breed many not be constant; in other words, the sheep may change its type in adapting itself to conditions, for it is known that they do this readily where ordinary methods prevail—a Down loses type on going to heavy clays or sharp gravels, and so on. But when a type is arrived at, not merely by mathematical formulae, but by the methods which have proved so successful hitherto, Mendelism may be very helpful in fixing type.
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Bibliographic details
New Zealand Herald, Volume LXIX, Issue 21136, 19 March 1932, Page 20
Word Count
201NEW TYPES. New Zealand Herald, Volume LXIX, Issue 21136, 19 March 1932, Page 20
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