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% 3.4%	74% ( High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.3%	70% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.4%	92%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.1%	92%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	82%
May 2025	Birth Weight (Expected progeny birth weight)	42.1 kg	73%
Sep 2025	Gestation (Days between conception and birth)	1.62 days	98%
May 2025	Gestation (Days between conception and birth)	1.62 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.59	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.49%	76%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.58%	74%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.4%	74% ( High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.3%	70% 91%
Sep 2025	Birth Size	22.4%	92%
May 2025	Birth Size	22.1%	92%
Sep 2025	Birth Weight	41.0 kg	82%
May 2025	Birth Weight	42.1 kg	73%
Sep 2025	Gest	1.62 days	98%
May 2025	Gest	1.62 days	98%
Sep 2025	Mort	-0.67	98%
May 2025	Mort	-0.59	98%
Sep 2025	Maternal Calving Difficulty	2.49%	76%
May 2025	Maternal Calving Difficulty	2.58%	74%

381 total progeny records from 76 dairy contemporary groups

( 3,078 herdmate records from 74 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 47.7%, FR: 15.1%, JE: 1.5%, NR: 0.8%, OTHER: 7.6%	HO: 59.2%, FR: 17.8%, JE: 1.6%, NR: 1.4%, OTHER: 6.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	8.3% 3.5% 2.9%	7.6% 2.9% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	778 Days 1146 Days 2211 Days	750 Days 1141 Days 2189 Days

72 total progeny records from 14 contemporary groups

( 677 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 57.9%, FR: 16.1%, JE: 0.1%, NR: 1.9%, OTHER: 10.0%	HO: 58.3%, FR: 15.4%, JE: 0.3%, NR: 1.0%, OTHER: 9.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	25.1% 21.6% 19.6%	20.1% 20.2% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.5kg 41.3kg	0kg 42.1kg 41.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	755 Days 1108 Days 2212 Days	775 Days 1126 Days 2184 Days

12 total progeny records from 3 contemporary groups

( 161 herdmate records from 3 contemporary groups)