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 6.0% 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 6.1% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.4%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.6%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.54 days	99%
May 2025	Gestation (Days between conception and birth)	-4.56 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.46	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.50	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.13%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.08%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.4%	98% 99%
Sep 2025	Birth Size	17.4%	96%
May 2025	Birth Size	17.6%	96%
Sep 2025	Birth Weight	41.1 kg	92%
May 2025	Birth Weight	41.2 kg	95%
Sep 2025	Gest	-4.54 days	99%
May 2025	Gest	-4.56 days	99%
Sep 2025	Mort	-0.46	99%
May 2025	Mort	-0.50	99%
Sep 2025	Maternal Calving Difficulty	5.13%	98%
May 2025	Maternal Calving Difficulty	5.08%	98%

2,838 total progeny records from 716 dairy contemporary groups

( 38,477 herdmate records from 710 dairy contemporary groups)

662 progeny ( 4,479 herdmates) born to heifers
631 progeny ( 8,420 herdmates) born to 2nd parity dam
1,545 progeny ( 25,578 herdmates) born to ≥3rd parity dam
41.6% progeny (48.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.4%, FR: 21.0%, JE: 4.1%, NR: 0.8%, OTHER: 1.1%	HO: 71.1%, FR: 21.0%, JE: 4.3%, NR: 0.7%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.6%	6.3% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1111 Days 2164 Days	743 Days 1121 Days 2190 Days

112 total progeny records from 37 contemporary groups

( 2,212 herdmate records from 37 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.9%, FR: 21.1%, JE: 5.6%, NR: 0.6%, OTHER: 1.9%	HO: 69.4%, FR: 21.0%, JE: 4.7%, NR: 1.4%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.4% 19.6% 18.4%	18.4% 18.6% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 40.2kg 41kg	40.6kg 40.4kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1109 Days 2039 Days	742 Days 1116 Days 2212 Days

57 total progeny records from 16 contemporary groups

( 1,415 herdmate records from 16 contemporary groups)