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The Gene Ireland Progeny test centre recently slaughtered 49 bulls at Slaney Foods International, Bunclody, Co. Wexford. The progeny were sired by 25 different AI sires across 10 different breeds. The group consisted of 49 September, October and November 2016 born bulls.

The average carcass weight for the group was 420 kilos. They average daily gain for the group during their 88 day performance test period was 2.15 kilos per head per day. The average growth rate within the group ranged from 1.05 kilograms to 2.89 kilograms per head per day. The average kill-out for the group was 59%, with kill-out ranging from 51% to 64%.

Overall the animals graded extremely well with 12 of the bulls grading E, 33 of the bulls being of U grade conformation, 4 grading in the R grade class. 92% of the 49 bulls met the carcass fat specifications of 2+ or higher, this was a great achievement for young bulls. The average dry matter intake (DMI) per day for the group was 14.3 kilograms, with bulls consuming from 11.4 to 15.9 kilos per head per day on a DMI basis.

The bulls were fed hay and ad lib concentrates over their 88 day finishing period. Overall the bulls performed exceptionally well for their age and were gaining 1.27 kilos of carcass for each day they were on test at Tully. The data demonstrates the large variation in performance between progeny in a young bull system.

See below photos of some of the progeny slaughtered.

All individual data on animals slaughtered recently can be found by clicking here.

Key points

Finishing Period 88 days
Number of Bulls 49
Number of Breeds 10
Number of Bulls 25
Average DMI 14.3
Highest ADG 2.89
Avg. Carcase weight 420
No. of bulls hitting carcass fat spec 92%


IE371189980758 (SGA)


Tag Number IE371189980758
Breed BA
Dry Matter Intake 13.43 kgs/day
Average Daily Gain 2 kgs/day
Feed Efficiency 6.72
Initial Liveweight 486 kgs
Final Liveweight 674 kgs
Carcass weight 416 kgs
Kill out 62%
Carcass confirmation and fat E-2=


IE361061830626 (HZJ)


Tag Number IE361061830626
Breed CH
Dry Matter Intake 15.37 kgs/day
Average Daily Gain 2.14 kgs/day
Feed Efficiency 7.18
Initial Liveweight 624 kgs
Final Liveweight 812 kgs
Carcass weight 469 kgs
Kill out 58%
Carcass confirmation and fat U+3+


IE201394850254 (LM2014)


Tag Number IE201394850254
Breed LM
Dry Matter Intake 14.71 kgs/day
Average Daily Gain 2.21 kgs/day
Feed Efficiency 6.69
Initial Liveweight 562 kgs
Final Liveweight 770 kgs
Carcass weight 475 kgs
Kill out 62%
Carcass confirmation and fat U+3-
IE141632480431 (ZAG)
Tag Number IE141632480431
Breed LM
Dry Matter Intake 13.82 kgs/day
Average Daily Gain 2.56 kgs/day
Feed Efficiency 5.4
Initial Liveweight 477 kgs
Final Liveweight 702 kgs
Carcass weight 417 kgs
Kill out 59%
Carcass confirmation and fat U+3=
IE341454770374 (PI2157)
Tag Number IE341454770374
Breed PI
Sire PI2157 (KILREE LEO)
Dry Matter Intake 13.07 kgs/day
Average Daily Gain 1.86 kgs/day
Feed Efficiency 7.03
Initial Liveweight  479 kgs
Final Liveweight 654 kgs
Carcass weight 395 kgs
Kill out 60%
Carcass confirmation and fat E-2+
IE361061820617 (AHC)
Tag Number IE361061820617
Breed SI
Dry Matter Intake 14.06 kgs/day
Average Daily Gain 2.39 kgs/day
Feed Efficiency 5.88
Initial Liveweight 548 kgs
Final Liveweight 758 kgs
Carcass weight  441 kgs
Kill out 58%
Carcass confirmation and fat U+ 3-
IE141632480456 (ONI)
Tag Number IE141632480456
Breed LM
Dry Matter Intake 13.63 kgs/day
Average Daily Gain 2.11 kgs/day
Feed Efficiency 6.46
Initial Liveweight 524 kgs
Final Liveweight  710 kgs
Carcass weight 434 kgs
Kill out 61%
Carcass confirmation and fat E-2+