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% 2.5%	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 6.0% 2.5%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.3%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.4 kg	99%
May 2025	Birth Weight (Expected progeny birth weight)	38.6 kg	99%
Sep 2025	Gestation (Days between conception and birth)	-4.66 days	99%
May 2025	Gestation (Days between conception and birth)	-4.72 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.33	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.30	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.65%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.59%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.5%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.5%	99% 99%
Sep 2025	Birth Size	19.0%	98%
May 2025	Birth Size	18.3%	98%
Sep 2025	Birth Weight	38.4 kg	99%
May 2025	Birth Weight	38.6 kg	99%
Sep 2025	Gest	-4.66 days	99%
May 2025	Gest	-4.72 days	99%
Sep 2025	Mort	0.33	99%
May 2025	Mort	0.30	99%
Sep 2025	Maternal Calving Difficulty	5.65%	99%
May 2025	Maternal Calving Difficulty	5.59%	99%

20,679 total progeny records from 1,578 dairy contemporary groups

( 154,979 herdmate records from 1,569 dairy contemporary groups)

2,800 progeny ( 18,976 herdmates) born to heifers
5,024 progeny ( 37,630 herdmates) born to 2nd parity dam
12,855 progeny ( 98,373 herdmates) born to ≥3rd parity dam
47.5% progeny (49.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 46.7%, FR: 18.5%, JE: 29.1%, NR: 2.0%, OTHER: 1.9%	HO: 50.7%, FR: 19.1%, JE: 24.3%, NR: 2.3%, OTHER: 1.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.4% 2.3% 2.3%	5.6% 2.3% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1102 Days 2067 Days	733 Days 1110 Days 2112 Days

385 total progeny records from 58 contemporary groups

( 3,452 herdmate records from 58 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 43.5%, FR: 16.9%, JE: 32.5%, NR: 3.1%, OTHER: 2.3%	HO: 53.2%, FR: 18.2%, JE: 22.3%, NR: 1.8%, OTHER: 2.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	15.7% 13.9% 15%	15.4% 15.5% 16.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	38.9kg 39.2kg 39.2kg	39.5kg 39.7kg 40.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1104 Days 2007 Days	741 Days 1117 Days 2114 Days

735 total progeny records from 54 contemporary groups

( 4,304 herdmate records from 54 contemporary groups)