Comparative analysis of Duroc and Pietrain
boar sperm morphology.
The reserve was a home-bred pure Pietrain
fromG&CDavies of Dryslwyn, which teamed up with another from Gary's Tyllwyd farm to take the supreme pairs championship from a pair of Pietrain
crosses from Andrew Davies of Llanon, Aberystwyth, in reserve.
2011), and they indicate that the H-FABP transcript abundance in semimembranosus and longissimus dorsi muscles of all the researched breeds (Duroc, Pietrain
, Pulawska, Polish Large White, and Polish Landrace) of all onto genesis stages (60-, 90-, 12, 50, 180- and 210-d-old) do not exhibit any siginificant changes.
Both the single and pairs supreme pigs titles went to Joe Gray of Llandrindod Wells with his Pietrain
and the poultry supreme title went to Pekin duck, entered by Julie Christopher of Brongest, Newcastle Emlyn.
Experimental animals were the porcine breeds Hampshire (HS, n = 1), Duroc (DU, n = 1), Berlin miniature pig (BMP, n = 1), German Landrace (LR, n = 30), Pietrain
(PIE, n = 30), and Muong Khuong (MK, Vietnamese potbelly pig, n = 25).
Many rare breeds of pigs will be on display at Llanelwedd from the flat-faced Middle White to the double-muscled Pietrain
and the Hampshire and Duroc, both unusual in the show ring," said Keith Brown, chairman of the Wales and Border Counties Pig Breeders
Genetic parameters of backfat thickness, age at 100kg and meat quality raits in Pietrain
The singles title went to a Welsh cross Pietrain
from Andrew Davies, of Trial Mawr, Llanon, near Aberystwyth.
The study was conducted on 114 porkers which were crossbred sows and boars of Camborough 22, lines 337PIC (Pig Improvement Company, Hendersonville, TN, USA) (C22 x PIC), N = 34; Norsvin Landrace (C22 x NL), N = 35 and Pietrain
(C22 x Pi), and N = 45.
These pigs were Pietrain
x Landrace - so built in a completely different way.
x Landrace boys are about four weeks ahead of the Tamworth gilts and they're in adjoining fields.
Pedigree information of the Czech Large White-dam line (CLWd), Czech Landrace (CLA), both dam breeds, Czech Large White-sire line (CLWs), Duroc (DC), and Pietrain
(PT) breed containing 132, 365, 391, 151, 32, 913, 13, 299, and 7, 160 records, respectively, were used in the analyses (Table 1).