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 5.1% 2.3%	93% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.3%	89% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.1%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.0%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	86%
May 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	86%
Sep 2025	Gestation (Days between conception and birth)	-2.45 days	99%
May 2025	Gestation (Days between conception and birth)	-2.38 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.02	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.03	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.74%	83%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	83%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.3%	93% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.3%	89% 95%
Sep 2025	Birth Size	15.1%	91%
May 2025	Birth Size	15.0%	91%
Sep 2025	Birth Weight	40.0 kg	86%
May 2025	Birth Weight	40.2 kg	86%
Sep 2025	Gest	-2.45 days	99%
May 2025	Gest	-2.38 days	99%
Sep 2025	Mort	-0.02	99%
May 2025	Mort	0.03	99%
Sep 2025	Maternal Calving Difficulty	4.74%	83%
May 2025	Maternal Calving Difficulty	4.77%	83%

789 total progeny records from 243 dairy contemporary groups

( 20,005 herdmate records from 242 dairy contemporary groups)

130 progeny ( 1,356 herdmates) born to heifers
194 progeny ( 4,918 herdmates) born to 2nd parity dam
465 progeny ( 13,731 herdmates) born to ≥3rd parity dam
32.8% progeny (46.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.6%, FR: 20.6%, JE: 4.3%, NR: 0.7%, OTHER: 0.9%	HO: 69.0%, FR: 21.3%, JE: 6.1%, NR: 0.5%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1106 Days 2151 Days	746 Days 1117 Days 2178 Days

46 total progeny records from 13 contemporary groups

( 1,005 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.7%, FR: 20.3%, JE: 3.6%, NR: 0.1%, OTHER: 1.3%	HO: 67.1%, FR: 22.8%, JE: 6.6%, NR: 0.2%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.5% 18.4% 18.8%	17.7% 18.6% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 40.4kg 40.7kg	40.8kg 40.8kg 40.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1103 Days 1994 Days	741 Days 1119 Days 2166 Days

19 total progeny records from 7 contemporary groups

( 1,011 herdmate records from 7 contemporary groups)