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% 2.6%	95% ( 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% 2.6%	95% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.8%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.8%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.9 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.9 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.68 days	99%
May 2025	Gestation (Days between conception and birth)	-4.70 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.55	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.59	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.04%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.98%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.6%	95% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.6%	95% 99%
Sep 2025	Birth Size	22.8%	97%
May 2025	Birth Size	22.8%	97%
Sep 2025	Birth Weight	41.9 kg	95%
May 2025	Birth Weight	41.9 kg	95%
Sep 2025	Gest	-4.68 days	99%
May 2025	Gest	-4.70 days	99%
Sep 2025	Mort	-0.55	99%
May 2025	Mort	-0.59	99%
Sep 2025	Maternal Calving Difficulty	5.04%	98%
May 2025	Maternal Calving Difficulty	4.98%	98%

2,486 total progeny records from 527 dairy contemporary groups

( 31,594 herdmate records from 521 dairy contemporary groups)

119 progeny ( 1,226 herdmates) born to heifers
574 progeny ( 8,107 herdmates) born to 2nd parity dam
1,793 progeny ( 22,261 herdmates) born to ≥3rd parity dam
51.8% progeny (51.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.5%, FR: 24.3%, JE: 2.2%, NR: 0.8%, OTHER: 1.3%	HO: 69.1%, FR: 24.8%, JE: 2.5%, NR: 0.6%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.6% 2.6%	6.5% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	758 Days 1126 Days 2106 Days	749 Days 1123 Days 2168 Days

136 total progeny records from 36 contemporary groups

( 2,159 herdmate records from 36 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.5%, FR: 23.4%, JE: 1.4%, NR: 2.2%, OTHER: 1.6%	HO: 68.4%, FR: 25.3%, JE: 1.5%, NR: 1.1%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.8% 19.8% 19.6%	19.1% 18.8% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 41.2kg 41kg	40.9kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	784 Days 1111 Days 2085 Days	744 Days 1118 Days 2253 Days

88 total progeny records from 18 contemporary groups

( 1,281 herdmate records from 18 contemporary groups)