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 6.4% 2.7%	97% ( 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 6.4% 2.7%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-4.80 days	99%
May 2025	Gestation (Days between conception and birth)	-4.81 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.41	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.47	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.18%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.17%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.7%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.7%	97% 99%
Sep 2025	Birth Size	18.5%	96%
May 2025	Birth Size	18.8%	96%
Sep 2025	Birth Weight	41.3 kg	96%
May 2025	Birth Weight	41.3 kg	96%
Sep 2025	Gest	-4.80 days	99%
May 2025	Gest	-4.81 days	99%
Sep 2025	Mort	-0.41	99%
May 2025	Mort	-0.47	99%
Sep 2025	Maternal Calving Difficulty	5.18%	98%
May 2025	Maternal Calving Difficulty	5.17%	98%

2,499 total progeny records from 458 dairy contemporary groups

( 27,650 herdmate records from 456 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.2%, FR: 27.3%, JE: 3.2%, NR: 0.9%, OTHER: 1.4%	HO: 66.6%, FR: 24.0%, JE: 4.4%, NR: 1.1%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.5% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1109 Days 2065 Days	749 Days 1122 Days 2142 Days

92 total progeny records from 14 contemporary groups

( 1,300 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.9%, FR: 23.8%, JE: 3.4%, NR: 1.7%, OTHER: 0.8%	HO: 71.1%, FR: 21.0%, JE: 3.6%, NR: 1.7%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.9% 20.1% 19.9%	19.3% 19.6% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40kg 41.2kg 40.7kg	40.5kg 40.5kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1094 Days 2041 Days	737 Days 1120 Days 2134 Days

125 total progeny records from 16 contemporary groups

( 1,642 herdmate records from 16 contemporary groups)