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 5.4% 2.5%	78% ( High) 88% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.4%	76% 88%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.5%	80%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	80%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	78%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	78%
Sep 2025	Gestation (Days between conception and birth)	-3.23 days	94%
May 2025	Gestation (Days between conception and birth)	-3.19 days	94%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.17	94%
May 2025	Mortality (Calves dead at or soon after birth)	-0.18	94%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.96%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.92%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.5%	78% ( High) 88% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.4%	76% 88%
Sep 2025	Birth Size	19.5%	80%
May 2025	Birth Size	19.1%	80%
Sep 2025	Birth Weight	41.3 kg	78%
May 2025	Birth Weight	41.2 kg	78%
Sep 2025	Gest	-3.23 days	94%
May 2025	Gest	-3.19 days	94%
Sep 2025	Mort	-0.17	94%
May 2025	Mort	-0.18	94%
Sep 2025	Maternal Calving Difficulty	4.96%	79%
May 2025	Maternal Calving Difficulty	4.92%	79%

133 total progeny records from 48 dairy contemporary groups

( 3,722 herdmate records from 48 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 80.5%, FR: 16.0%, JE: 1.8%, NR: 0.1%, OTHER: 1.0%	HO: 75.4%, FR: 21.5%, JE: 1.2%, NR: 0.2%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.8% 2.7%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	812 Days 1155 Days 2262 Days	756 Days 1120 Days 2174 Days

11 total progeny records from 8 contemporary groups

( 591 herdmate records from 8 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.5%, FR: 18.0%, JE: 4.1%, NR: 0.5%, OTHER: 0.5%	HO: 76.2%, FR: 18.8%, JE: 2.0%, NR: 0.8%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 21.1% 18.6%	0% 19.8% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.5kg 41.8kg	0kg 41.3kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1090 Days 2601 Days	0 Days 1127 Days 2255 Days

6 total progeny records from 3 contemporary groups

( 334 herdmate records from 3 contemporary groups)