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	Moderate 7.4% 2.6%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.6%	94% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.1%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.2%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-4.19 days	99%
May 2025	Gestation (Days between conception and birth)	-4.19 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.42	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	93%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.37%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.6%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.6%	94% 97%
Sep 2025	Birth Size	21.1%	89%
May 2025	Birth Size	21.2%	89%
Sep 2025	Birth Weight	41.2 kg	92%
May 2025	Birth Weight	41.3 kg	92%
Sep 2025	Gest	-4.19 days	99%
May 2025	Gest	-4.19 days	99%
Sep 2025	Mort	-0.34	99%
May 2025	Mort	-0.42	99%
Sep 2025	Maternal Calving Difficulty	4.39%	93%
May 2025	Maternal Calving Difficulty	4.37%	93%

668 total progeny records from 205 dairy contemporary groups

( 12,068 herdmate records from 205 dairy contemporary groups)

227 progeny ( 1,196 herdmates) born to heifers
124 progeny ( 3,100 herdmates) born to 2nd parity dam
317 progeny ( 7,772 herdmates) born to ≥3rd parity dam
53.1% progeny (51.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.8%, FR: 20.4%, JE: 5.0%, NR: 1.2%, OTHER: 1.4%	HO: 68.6%, FR: 20.5%, JE: 5.9%, NR: 1.1%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.6% 2.7%	6.5% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1114 Days 2032 Days	739 Days 1131 Days 2131 Days

23 total progeny records from 7 contemporary groups

( 449 herdmate records from 7 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.1%, FR: 27.0%, JE: 0.8%, NR: 0.0%, OTHER: 1.3%	HO: 58.6%, FR: 32.4%, JE: 5.5%, NR: 0.1%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.7% 21.4% 21.4%	19.6% 20% 20.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 40.8kg 41.3kg	40.1kg 40.4kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	716 Days 1086 Days 2048 Days	752 Days 1128 Days 2111 Days

26 total progeny records from 6 contemporary groups

( 745 herdmate records from 6 contemporary groups)