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 9.7% 4.0%	79% ( High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.6% 4.0%	78% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	26.0%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	25.8%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.4 kg	83%
May 2025	Birth Weight (Expected progeny birth weight)	43.5 kg	83%
Sep 2025	Gestation (Days between conception and birth)	1.20 days	98%
May 2025	Gestation (Days between conception and birth)	1.18 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.78	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.72	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.78%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.40%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.7% 4.0%	79% ( High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.6% 4.0%	78% 95%
Sep 2025	Birth Size	26.0%	91%
May 2025	Birth Size	25.8%	91%
Sep 2025	Birth Weight	43.4 kg	83%
May 2025	Birth Weight	43.5 kg	83%
Sep 2025	Gest	1.20 days	98%
May 2025	Gest	1.18 days	98%
Sep 2025	Mort	-0.78	98%
May 2025	Mort	-0.72	98%
Sep 2025	Maternal Calving Difficulty	2.78%	88%
May 2025	Maternal Calving Difficulty	2.40%	88%

428 total progeny records from 82 dairy contemporary groups

( 2,660 herdmate records from 79 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 56.3%, FR: 17.7%, JE: 2.5%, NR: 0.4%, OTHER: 8.7%	HO: 54.7%, FR: 17.1%, JE: 0.9%, NR: 0.4%, OTHER: 12.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	8.1% 3.1% 2.9%	8.8% 3.4% 3.1%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	830 Days 1219 Days 2221 Days	810 Days 1180 Days 2271 Days

39 total progeny records from 13 contemporary groups

( 369 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 25.4%, FR: 6.3%, JE: 1.3%, NR: 1.4%, OTHER: 17.0%	HO: 29.5%, FR: 7.3%, JE: 1.0%, NR: 0.7%, OTHER: 15.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	26.4% 24.3% 21.9%	24.5% 24.8% 22%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.4kg 41kg	0kg 42.1kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	909 Days 1179 Days 2405 Days	829 Days 1183 Days 2169 Days

24 total progeny records from 2 contemporary groups

( 197 herdmate records from 2 contemporary groups)