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VikingNews AU 02 2018
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26 vikingnews | september 2018 b y adding data from females to the genomic
jersey
reference population for five new health traits, the reliability on these
breeding
values has increased significantly. as a result, the standard deviation has also increased and bull
breeding
values are now more spread. best
bulls
are not in the mid 20s any longer, - they are now higher than +30 for ntm.
bulls
are still bred the same way, but
breeding
values are more reliable and it is easier to distinguish between
bulls
. the highest ranking
bulls
are two vj haley sons, vj hawk and vj hirts, gntm +31 and +29, respectively. news from viking
jersey
get used to higher ntm levels for the best
jersey
bulls
a n increasing number of
jersey
females are genomi- cally tested in the nordic countries. in addition, over the last six months, hundreds of
jersey
fe- males from the united states of america (usa), south af- rica, the united kingdom (uk), belgium, the netherlands, norway and russia have been tested on the nordic total merit (ntm) scale. this action represents a big advantage for breeders, when selecting the best animals and when making com- binations with viking
jersey
bulls
. the results have shown that a number of females are at a very high ntm level, and vikinggenetics encourages owners to flush these animals. as a result of testing foreign
jersey
animals in the nor- dic system, two foreign
bulls
have been purchased by vi- king
jersey
. the first was vj hurling from ireland and the second one is vj lukaku from belgium. we are currently testing bull calves in the usa, and have more pregnancies and embryos on the way to ameri- ca for implantation. the aim is to have
bulls
based there to ensure availability of semen. the bull calves have been selected to suit the american dairy system. the good news is that the norwegian
jersey
s cows will soon have a ntm classification. this is expected to result in closer
breeding
cooperation. vj nucleus herd
breeding
new top animals since the first bull calves out of vikinggenetics owned do- nors were genomically tested a year ago, 12
bulls
have been selected for the viking
jersey
breeding
programme. this is a very high success rate, and therefore is important to encourage the donor programme and ebryo transfer (et) in general. vikinggenetics has selected three sons with dif- ferent sires from one donor and a half-sister has now en- tered the nucleus herd. a good example of making better use of genetics in the nucleus herd was the new top bull vj hodja with gntm +33. he is the result of an extremely poor embryo, with a broken shell, that would never have resulted in a pregnan- cy in the field. viking
jersey
is expanding its international activities by peter larson,
breeding
manager viking
jersey
at vikinggenetics vikingnews | september 2018 26
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