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 12.9% 5.3%	61% ( High) 90% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 13.1% 5.4%	61% 90%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	29.2%	85%
May 2025	Birth Size (Progeny expected to be born large or extra large)	29.1%	85%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.6 kg	68%
May 2025	Birth Weight (Expected progeny birth weight)	43.9 kg	70%
Sep 2025	Gestation (Days between conception and birth)	3.18 days	98%
May 2025	Gestation (Days between conception and birth)	3.23 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.71	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.70	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.43%	73%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.26%	73%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 12.9% 5.3%	61% ( High) 90% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 13.1% 5.4%	61% 90%
Sep 2025	Birth Size	29.2%	85%
May 2025	Birth Size	29.1%	85%
Sep 2025	Birth Weight	43.6 kg	68%
May 2025	Birth Weight	43.9 kg	70%
Sep 2025	Gest	3.18 days	98%
May 2025	Gest	3.23 days	98%
Sep 2025	Mort	-0.71	98%
May 2025	Mort	-0.70	98%
Sep 2025	Maternal Calving Difficulty	3.43%	73%
May 2025	Maternal Calving Difficulty	3.26%	73%

308 total progeny records from 62 dairy contemporary groups

( 2,531 herdmate records from 62 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 42.9%, FR: 14.0%, JE: 3.7%, NR: 0.8%, OTHER: 3.9%	HO: 54.7%, FR: 15.8%, JE: 3.4%, NR: 1.0%, OTHER: 4.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	9.8% 3.2% 3.1%	8.5% 3.1% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	845 Days 1212 Days 2221 Days	804 Days 1127 Days 2157 Days

24 total progeny records from 5 contemporary groups

( 508 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 48.4%, FR: 11.2%, JE: 12.1%, NR: 0.0%, OTHER: 4.3%	HO: 47.3%, FR: 15.8%, JE: 8.2%, NR: 0.9%, OTHER: 3.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 23.3% 19.1%	0% 22.7% 20%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.1kg 41kg	0kg 41.3kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1105 Days 2155 Days	0 Days 1109 Days 2081 Days

5 total progeny records from 2 contemporary groups

( 138 herdmate records from 2 contemporary groups)