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 4.8% 2.1%	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 4.8% 2.1%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	9.9%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	9.2%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.4 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	38.6 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-3.18 days	99%
May 2025	Gestation (Days between conception and birth)	-3.22 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.03	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.01	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.37%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.33%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.8% 2.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.8% 2.1%	99% 99%
Sep 2025	Birth Size	9.9%	96%
May 2025	Birth Size	9.2%	96%
Sep 2025	Birth Weight	38.4 kg	98%
May 2025	Birth Weight	38.6 kg	98%
Sep 2025	Gest	-3.18 days	99%
May 2025	Gest	-3.22 days	99%
Sep 2025	Mort	0.03	99%
May 2025	Mort	-0.01	99%
Sep 2025	Maternal Calving Difficulty	5.37%	99%
May 2025	Maternal Calving Difficulty	5.33%	99%

5,893 total progeny records from 635 dairy contemporary groups

( 43,799 herdmate records from 630 dairy contemporary groups)

1,993 progeny ( 7,800 herdmates) born to heifers
1,201 progeny ( 10,390 herdmates) born to 2nd parity dam
2,699 progeny ( 25,609 herdmates) born to ≥3rd parity dam
44.7% progeny (50.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 47.9%, FR: 20.7%, JE: 24.2%, NR: 2.2%, OTHER: 2.7%	HO: 51.6%, FR: 19.8%, JE: 20.8%, NR: 2.4%, OTHER: 2.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.5% 2.3% 2.4%	5.8% 2.4% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1103 Days 2069 Days	739 Days 1116 Days 2112 Days

61 total progeny records from 13 contemporary groups

( 768 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 53.3%, FR: 24.9%, JE: 15.6%, NR: 0.5%, OTHER: 3.8%	HO: 56.8%, FR: 21.1%, JE: 14.3%, NR: 3.1%, OTHER: 2.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	14.9% 21.4% 19%	17% 16.7% 17.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.6kg 40.6kg	40.7kg 40.1kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	726 Days 1087 Days 2000 Days	730 Days 1105 Days 2018 Days

128 total progeny records from 14 contemporary groups

( 940 herdmate records from 14 contemporary groups)