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	Moderate 7.7% 3.0%	73% ( High) 90% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.0%	72% 88%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	26.6%	79%
May 2025	Birth Size (Progeny expected to be born large or extra large)	26.7%	78%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.6 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	43.2 kg	86%
Sep 2025	Gestation (Days between conception and birth)	-4.72 days	95%
May 2025	Gestation (Days between conception and birth)	-4.70 days	95%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.47	95%
May 2025	Mortality (Calves dead at or soon after birth)	-0.41	95%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.29%	77%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.15%	74%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.0%	73% ( High) 90% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.0%	72% 88%
Sep 2025	Birth Size	26.6%	79%
May 2025	Birth Size	26.7%	78%
Sep 2025	Birth Weight	42.6 kg	87%
May 2025	Birth Weight	43.2 kg	86%
Sep 2025	Gest	-4.72 days	95%
May 2025	Gest	-4.70 days	95%
Sep 2025	Mort	-0.47	95%
May 2025	Mort	-0.41	95%
Sep 2025	Maternal Calving Difficulty	4.29%	77%
May 2025	Maternal Calving Difficulty	4.15%	74%

169 total progeny records from 38 dairy contemporary groups

( 6,372 herdmate records from 38 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.5%, FR: 20.0%, JE: 8.9%, NR: 0.4%, OTHER: 0.6%	HO: 64.7%, FR: 21.5%, JE: 11.2%, NR: 0.8%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.2% 2.5% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1135 Days 2190 Days	745 Days 1110 Days 2214 Days

10 total progeny records from 3 contemporary groups

( 336 herdmate records from 3 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.9%, FR: 22.0%, JE: 14.6%, NR: 1.3%, OTHER: 1.0%	HO: 61.6%, FR: 20.3%, JE: 14.8%, NR: 1.8%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.5% 17.7%	0% 17.7% 17.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 39.8kg 39.6kg	0kg 39.8kg 39.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1111 Days 2045 Days	0 Days 1110 Days 2222 Days

18 total progeny records from 4 contemporary groups

( 747 herdmate records from 4 contemporary groups)