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	High 9.4% 3.1%	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	High 9.5% 3.1%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.1%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.1%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.0 kg	99%
May 2025	Birth Weight (Expected progeny birth weight)	41.9 kg	99%
Sep 2025	Gestation (Days between conception and birth)	-2.23 days	99%
May 2025	Gestation (Days between conception and birth)	-2.33 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.30	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.36	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	7.49%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	7.47%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.4% 3.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.5% 3.1%	99% 99%
Sep 2025	Birth Size	23.1%	98%
May 2025	Birth Size	23.1%	98%
Sep 2025	Birth Weight	42.0 kg	99%
May 2025	Birth Weight	41.9 kg	99%
Sep 2025	Gest	-2.23 days	99%
May 2025	Gest	-2.33 days	99%
Sep 2025	Mort	-0.30	99%
May 2025	Mort	-0.36	99%
Sep 2025	Maternal Calving Difficulty	7.49%	99%
May 2025	Maternal Calving Difficulty	7.47%	99%

27,097 total progeny records from 6,343 dairy contemporary groups

( 200,232 herdmate records from 6,237 dairy contemporary groups)

1,083 progeny ( 7,098 herdmates) born to heifers
8,001 progeny ( 57,850 herdmates) born to 2nd parity dam
18,013 progeny ( 135,284 herdmates) born to ≥3rd parity dam
48.8% progeny (50.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.5%, FR: 15.2%, JE: 1.9%, NR: 0.9%, OTHER: 1.9%	HO: 74.8%, FR: 15.6%, JE: 2.1%, NR: 1.0%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.4% 2.8% 3%	7.1% 2.8% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	851 Days 1165 Days 2160 Days	788 Days 1155 Days 2168 Days

36 total progeny records from 19 contemporary groups

( 704 herdmate records from 19 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 77.4%, FR: 11.8%, JE: 3.6%, NR: 0.7%, OTHER: 2.8%	HO: 78.3%, FR: 12.9%, JE: 2.1%, NR: 0.7%, OTHER: 1.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.9% 21.7% 21.2%	20.7% 21.7% 21.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 41kg 41.4kg	41.1kg 41.2kg 41.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	792 Days 1140 Days 2122 Days	761 Days 1147 Days 2142 Days

489 total progeny records from 101 contemporary groups

( 4,575 herdmate records from 101 contemporary groups)