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 5.8% 2.4%	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 5.8% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.2%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-2.98 days	99%
May 2025	Gestation (Days between conception and birth)	-3.00 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.22	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.34%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.33%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.4%	98% 99%
Sep 2025	Birth Size	19.2%	97%
May 2025	Birth Size	19.1%	97%
Sep 2025	Birth Weight	40.7 kg	97%
May 2025	Birth Weight	40.8 kg	97%
Sep 2025	Gest	-2.98 days	99%
May 2025	Gest	-3.00 days	99%
Sep 2025	Mort	-0.22	99%
May 2025	Mort	-0.26	99%
Sep 2025	Maternal Calving Difficulty	5.34%	99%
May 2025	Maternal Calving Difficulty	5.33%	99%

4,278 total progeny records from 1,064 dairy contemporary groups

( 49,506 herdmate records from 1,051 dairy contemporary groups)

293 progeny ( 2,196 herdmates) born to heifers
1,271 progeny ( 12,599 herdmates) born to 2nd parity dam
2,714 progeny ( 34,711 herdmates) born to ≥3rd parity dam
52.8% progeny (51.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 81.0%, FR: 14.9%, JE: 1.3%, NR: 0.3%, OTHER: 0.9%	HO: 79.8%, FR: 15.2%, JE: 1.9%, NR: 0.4%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.7% 2.8%	6.6% 2.7% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	783 Days 1153 Days 2123 Days	770 Days 1151 Days 2166 Days

123 total progeny records from 37 contemporary groups

( 2,490 herdmate records from 37 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 81.4%, FR: 13.9%, JE: 1.6%, NR: 0.7%, OTHER: 0.9%	HO: 77.5%, FR: 15.2%, JE: 3.2%, NR: 1.0%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.3% 19.2% 19.6%	18.1% 19.3% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 41.1kg 41.4kg	40.7kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	745 Days 1113 Days 2127 Days	748 Days 1130 Days 2132 Days

159 total progeny records from 36 contemporary groups

( 2,405 herdmate records from 36 contemporary groups)