MDC breeding+ has published the latest production proofs for all
UK available bulls this week (17 January). This latest data for
specialist dairy breeds, that ranks sires on Profitable Lifetime
Index (PLI) scores, reveals a new number one sire in the Jersey
and Ayrshire breeds.
Ahlem Lemvig Abe is the new top Jersey bull. A high milk sire,
he has a PLI of £212. He is closely followed by the previous
number one sire Sunset Canyon Maximus. The highest new entry in
the Jersey PLI rankings is DJ Look who comes straight in at fourth
place, benefiting from a strong daughter lifespan proof at +0.3
Hunday Major Red, with a PLI of £202, takes over as top Ayrshire
sire from Morwick Sand Ranger. Major Red’s somatic cell count
score of -18, indicating that he has the ability to breed daughters
with a cell count of 18% lower than the breed average, and his
lifespan score of 0.3 have contributed to him gaining top place
in the breed.
Peterslund remains firmly in control of the top spot in the pure
Ayrshire listings thanks to improved daughter lifespan ratings
now at +0.5 lactations.
Blackisle Glen Albyn holds on to top spot in the Friesian PLI rankings
with a score of £202. He improved further on his daughter
lifespan, now at 0.3, and fertility ratings and is now well clear
of second placed Dovea Bass with a PLI of £159. Third place
is shared between Sem 7 and Grietman, both with PLI’s of £136.
Jensgolden Victory Hunter remains the highest ranked bull on the
Guernsey Merit Index (GMI) at 460, followed by a new entry Coulee
Crest Luxury Spider. Meadow Court Red Oak ranks third, transmitting
the best overall fitness balance of the three with a good daughter
lifespan of +0.2 lactations and a SCC of –14%.
“We are continuously improving the genetic information provided
for specialist dairy breeds and the latest development on type
information, which were first introduced at the last proof run,
will assist producers in making the most accurate choices of sires,” says
MDC breeding+ director Marco Winters. “But producers must
not compare sires between breeds – just within them – as
each breed uses its own genetic base.”
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