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% 2.2%	98% ( 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 5.1% 2.3%	98% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.4%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.4 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	39.4 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-3.63 days	99%
May 2025	Gestation (Days between conception and birth)	-3.64 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.74	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.76	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.87%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.81%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.2%	98% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.3%	98% 98%
Sep 2025	Birth Size	15.7%	97%
May 2025	Birth Size	15.4%	96%
Sep 2025	Birth Weight	39.4 kg	94%
May 2025	Birth Weight	39.4 kg	94%
Sep 2025	Gest	-3.63 days	99%
May 2025	Gest	-3.64 days	99%
Sep 2025	Mort	-0.74	99%
May 2025	Mort	-0.76	99%
Sep 2025	Maternal Calving Difficulty	4.87%	97%
May 2025	Maternal Calving Difficulty	4.81%	97%

2,489 total progeny records from 602 dairy contemporary groups

( 34,073 herdmate records from 601 dairy contemporary groups)

660 progeny ( 3,472 herdmates) born to heifers
560 progeny ( 7,607 herdmates) born to 2nd parity dam
1,269 progeny ( 22,994 herdmates) born to ≥3rd parity dam
40.2% progeny (48.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.2%, FR: 22.0%, JE: 2.3%, NR: 0.5%, OTHER: 1.2%	HO: 70.3%, FR: 22.6%, JE: 3.1%, NR: 0.7%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.4% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1114 Days 2127 Days	742 Days 1123 Days 2199 Days

142 total progeny records from 33 contemporary groups

( 1,999 herdmate records from 33 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.2%, FR: 19.2%, JE: 1.5%, NR: 0.6%, OTHER: 1.2%	HO: 72.0%, FR: 20.9%, JE: 2.5%, NR: 1.3%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.1% 18.9% 20.1%	19.4% 18.9% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.6kg 40.1kg 40.8kg	40.9kg 41.1kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	719 Days 1109 Days 2238 Days	738 Days 1111 Days 2246 Days

54 total progeny records from 18 contemporary groups

( 1,522 herdmate records from 18 contemporary groups)