Date of Evaluation	Trait	PTA	Reliability
Sep 2025	Calving Difficulty(Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.8% 3.8%	93% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.8% 3.8%	93% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.5%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	28.3%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.6 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	43.6 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-2.85 days	99%
May 2025	Gestation (Days between conception and birth)	-2.82 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.44	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.47	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.38%	93%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.29%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.8% 3.8%	93% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.8% 3.8%	93% 96%
Sep 2025	Birth Size	28.5%	93%
May 2025	Birth Size	28.3%	93%
Sep 2025	Birth Weight	43.6 kg	94%
May 2025	Birth Weight	43.6 kg	94%
Sep 2025	Gest	-2.85 days	99%
May 2025	Gest	-2.82 days	99%
Sep 2025	Mort	-0.44	99%
May 2025	Mort	-0.47	99%
Sep 2025	Maternal Calving Difficulty	4.38%	93%
May 2025	Maternal Calving Difficulty	4.29%	93%

891 total progeny records from 230 dairy contemporary groups

( 8,460 herdmate records from 228 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.7%, FR: 10.6%, JE: 0.3%, NR: 0.1%, OTHER: 1.8%	HO: 84.0%, FR: 12.2%, JE: 0.4%, NR: 0.1%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.3% 2.9% 2.9%	7.1% 2.8% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1180 Days 2123 Days	799 Days 1183 Days 2182 Days

50 total progeny records from 13 contemporary groups

( 810 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 95.1%, FR: 3.8%, JE: 0.0%, NR: 0.2%, OTHER: 0.5%	HO: 94.5%, FR: 3.0%, JE: 0.0%, NR: 0.2%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 20.2% 20.2%	0% 20.5% 21.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.5kg 42kg	0kg 41.9kg 42.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1179 Days 2278 Days	0 Days 1150 Days 2139 Days

48 total progeny records from 7 contemporary groups

( 442 herdmate records from 7 contemporary groups)