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 6.5% 2.6%	99% ( 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 6.5% 2.6%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.2%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.1%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	99%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	99%
Sep 2025	Gestation (Days between conception and birth)	-2.69 days	99%
May 2025	Gestation (Days between conception and birth)	-2.75 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.15	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.22	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.13%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.08%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	99% 99%
Sep 2025	Birth Size	20.2%	98%
May 2025	Birth Size	20.1%	98%
Sep 2025	Birth Weight	40.8 kg	99%
May 2025	Birth Weight	40.9 kg	99%
Sep 2025	Gest	-2.69 days	99%
May 2025	Gest	-2.75 days	99%
Sep 2025	Mort	-0.15	99%
May 2025	Mort	-0.22	99%
Sep 2025	Maternal Calving Difficulty	5.13%	99%
May 2025	Maternal Calving Difficulty	5.08%	99%

14,970 total progeny records from 2,554 dairy contemporary groups

( 117,143 herdmate records from 2,513 dairy contemporary groups)

672 progeny ( 6,287 herdmates) born to heifers
4,144 progeny ( 32,993 herdmates) born to 2nd parity dam
10,154 progeny ( 77,863 herdmates) born to ≥3rd parity dam
51.3% progeny (50.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.0%, FR: 19.7%, JE: 7.8%, NR: 1.8%, OTHER: 2.9%	HO: 66.9%, FR: 19.3%, JE: 5.8%, NR: 1.7%, OTHER: 2.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.6% 2.8%	6.6% 2.7% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	809 Days 1136 Days 2121 Days	756 Days 1136 Days 2147 Days

70 total progeny records from 12 contemporary groups

( 1,107 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 55.0%, FR: 23.6%, JE: 9.2%, NR: 6.1%, OTHER: 3.2%	HO: 58.2%, FR: 25.6%, JE: 8.9%, NR: 3.0%, OTHER: 2.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.5% 21.2%	0% 20.3% 21%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.8kg 40.5kg 40.9kg	40.3kg 40.3kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	774 Days 1137 Days 2118 Days	745 Days 1125 Days 2057 Days

370 total progeny records from 59 contemporary groups

( 4,657 herdmate records from 59 contemporary groups)

51 progeny ( 1,337 herdmates) born to heifers
119 progeny ( 1,003 herdmates) born to 2nd parity dam
200 progeny ( 2,317 herdmates) born to ≥3rd parity dam
45.4% progeny (47.6% herdmates) were males
Dam Info