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 9.8% 3.8%	53% ( Average) 82% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.8% 3.8%	51% 82%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.7%	75%
May 2025	Birth Size (Progeny expected to be born large or extra large)	28.1%	75%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.6 kg	61%
May 2025	Birth Weight (Expected progeny birth weight)	42.8 kg	61%
Sep 2025	Gestation (Days between conception and birth)	2.12 days	94%
May 2025	Gestation (Days between conception and birth)	2.17 days	94%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.75	94%
May 2025	Mortality (Calves dead at or soon after birth)	-0.79	94%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.92%	68%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.86%	68%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.8% 3.8%	53% ( Average) 82% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.8% 3.8%	51% 82%
Sep 2025	Birth Size	28.7%	75%
May 2025	Birth Size	28.1%	75%
Sep 2025	Birth Weight	42.6 kg	61%
May 2025	Birth Weight	42.8 kg	61%
Sep 2025	Gest	2.12 days	94%
May 2025	Gest	2.17 days	94%
Sep 2025	Mort	-0.75	94%
May 2025	Mort	-0.79	94%
Sep 2025	Maternal Calving Difficulty	2.92%	68%
May 2025	Maternal Calving Difficulty	2.86%	68%

137 total progeny records from 32 dairy contemporary groups

( 1,914 herdmate records from 32 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 34.7%, FR: 21.5%, JE: 1.7%, NR: 5.8%, OTHER: 10.5%	HO: 46.0%, FR: 22.7%, JE: 6.2%, NR: 1.5%, OTHER: 7.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	13.9% 3.4% 3.1%	9.5% 2.9% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1186 Days 2141 Days	730 Days 1124 Days 2179 Days

9 total progeny records from 2 contemporary groups

( 153 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 32.5%, FR: 20.2%, JE: 11.1%, NR: 1.9%, OTHER: 9.1%	HO: 34.2%, FR: 16.3%, JE: 9.2%, NR: 1.9%, OTHER: 9.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 30.3% 21.4%	0% 24.6% 20.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 0kg 41.8kg	0kg 0kg 41.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1101 Days 2298 Days	0 Days 1100 Days 2206 Days

4 total progeny records from 2 contemporary groups

( 60 herdmate records from 2 contemporary groups)