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	Low 6.8% 2.8%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.8%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.4%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.6 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	38.7 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-2.52 days	99%
May 2025	Gestation (Days between conception and birth)	-2.55 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.69	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.75	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.44%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.41%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.8%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.8%	98% 99%
Sep 2025	Birth Size	18.5%	97%
May 2025	Birth Size	18.4%	97%
Sep 2025	Birth Weight	38.6 kg	97%
May 2025	Birth Weight	38.7 kg	97%
Sep 2025	Gest	-2.52 days	99%
May 2025	Gest	-2.55 days	99%
Sep 2025	Mort	-0.69	99%
May 2025	Mort	-0.75	99%
Sep 2025	Maternal Calving Difficulty	6.44%	99%
May 2025	Maternal Calving Difficulty	6.41%	99%

5,427 total progeny records from 1,361 dairy contemporary groups

( 39,957 herdmate records from 1,339 dairy contemporary groups)

273 progeny ( 1,430 herdmates) born to heifers
1,482 progeny ( 10,422 herdmates) born to 2nd parity dam
3,672 progeny ( 28,105 herdmates) born to ≥3rd parity dam
51.6% progeny (50.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 42.8%, FR: 49.1%, JE: 0.2%, NR: 0.2%, OTHER: 1.5%	HO: 42.4%, FR: 49.5%, JE: 0.5%, NR: 0.2%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.2% 3% 3.1%	7.4% 2.9% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	880 Days 1181 Days 2262 Days	817 Days 1176 Days 2271 Days

82 total progeny records from 16 contemporary groups

( 577 herdmate records from 16 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 42.9%, FR: 44.7%, JE: 1.4%, NR: 0.0%, OTHER: 4.7%	HO: 38.9%, FR: 42.5%, JE: 1.2%, NR: 0.3%, OTHER: 5.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.6% 20% 21.1%	19.8% 19.6% 20.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42kg 41.8kg	0kg 41.7kg 42kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1050 Days 1135 Days 2175 Days	772 Days 1140 Days 2380 Days

97 total progeny records from 17 contemporary groups

( 668 herdmate records from 17 contemporary groups)