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% 2.7%	96% ( 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% 2.7%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.9%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.7%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-0.96 days	99%
May 2025	Gestation (Days between conception and birth)	-0.98 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.07	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.14	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.65%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.64%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.7%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.7%	96% 99%
Sep 2025	Birth Size	21.9%	95%
May 2025	Birth Size	21.7%	95%
Sep 2025	Birth Weight	41.3 kg	94%
May 2025	Birth Weight	41.5 kg	94%
Sep 2025	Gest	-0.96 days	99%
May 2025	Gest	-0.98 days	99%
Sep 2025	Mort	-0.07	99%
May 2025	Mort	-0.14	99%
Sep 2025	Maternal Calving Difficulty	4.65%	98%
May 2025	Maternal Calving Difficulty	4.64%	98%

2,031 total progeny records from 514 dairy contemporary groups

( 28,251 herdmate records from 513 dairy contemporary groups)

177 progeny ( 1,365 herdmates) born to heifers
528 progeny ( 7,215 herdmates) born to 2nd parity dam
1,326 progeny ( 19,671 herdmates) born to ≥3rd parity dam
45.9% progeny (50.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.8%, FR: 19.1%, JE: 4.6%, NR: 0.7%, OTHER: 1.2%	HO: 71.2%, FR: 19.3%, JE: 4.4%, NR: 0.9%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.6% 2.7%	6.6% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	755 Days 1128 Days 2158 Days	750 Days 1129 Days 2163 Days

75 total progeny records from 15 contemporary groups

( 920 herdmate records from 15 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.4%, FR: 23.5%, JE: 4.0%, NR: 0.5%, OTHER: 0.8%	HO: 70.3%, FR: 22.1%, JE: 4.3%, NR: 0.1%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19% 19.7% 18.9%	18.3% 19.4% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 41.2kg 41.3kg	40.9kg 40.9kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	752 Days 1137 Days 2072 Days	736 Days 1150 Days 2224 Days

37 total progeny records from 7 contemporary groups

( 488 herdmate records from 7 contemporary groups)