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 5.6% 2.1%	99% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.1%	98% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.5%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.6%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-5.30 days	99%
May 2025	Gestation (Days between conception and birth)	-5.30 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.31	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.23%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.17%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.1%	99% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.1%	98% 98%
Sep 2025	Birth Size	16.5%	97%
May 2025	Birth Size	16.6%	97%
Sep 2025	Birth Weight	39.8 kg	94%
May 2025	Birth Weight	39.8 kg	94%
Sep 2025	Gest	-5.30 days	99%
May 2025	Gest	-5.30 days	99%
Sep 2025	Mort	-0.26	99%
May 2025	Mort	-0.31	99%
Sep 2025	Maternal Calving Difficulty	5.23%	98%
May 2025	Maternal Calving Difficulty	5.17%	98%

2,839 total progeny records from 615 dairy contemporary groups

( 39,630 herdmate records from 612 dairy contemporary groups)

940 progeny ( 5,754 herdmates) born to heifers
609 progeny ( 9,114 herdmates) born to 2nd parity dam
1,290 progeny ( 24,762 herdmates) born to ≥3rd parity dam
52.6% progeny (51.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.0%, FR: 27.1%, JE: 7.0%, NR: 1.1%, OTHER: 1.9%	HO: 60.6%, FR: 26.3%, JE: 8.1%, NR: 1.1%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1112 Days 2091 Days	737 Days 1116 Days 2171 Days

136 total progeny records from 38 contemporary groups

( 2,981 herdmate records from 38 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.1%, FR: 27.4%, JE: 7.0%, NR: 0.9%, OTHER: 2.0%	HO: 62.2%, FR: 27.2%, JE: 3.5%, NR: 1.4%, OTHER: 2.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 20.8% 21.7%	18.3% 19% 19.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 40.5kg 40.3kg	41.2kg 41kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	721 Days 1137 Days 2187 Days	749 Days 1128 Days 2178 Days

72 total progeny records from 15 contemporary groups

( 944 herdmate records from 15 contemporary groups)