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 8.6% 3.1%	66% ( High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.6% 3.0%	63% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.7%	87%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.8%	88%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	84%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	82%
Sep 2025	Gestation (Days between conception and birth)	-4.06 days	97%
May 2025	Gestation (Days between conception and birth)	-3.99 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.30	97%
May 2025	Mortality (Calves dead at or soon after birth)	0.39	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.20%	77%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.17%	76%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.6% 3.1%	66% ( High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.6% 3.0%	63% 91%
Sep 2025	Birth Size	21.7%	87%
May 2025	Birth Size	21.8%	88%
Sep 2025	Birth Weight	41.0 kg	84%
May 2025	Birth Weight	41.2 kg	82%
Sep 2025	Gest	-4.06 days	97%
May 2025	Gest	-3.99 days	97%
Sep 2025	Mort	0.30	97%
May 2025	Mort	0.39	97%
Sep 2025	Maternal Calving Difficulty	5.20%	77%
May 2025	Maternal Calving Difficulty	5.17%	76%

238 total progeny records from 62 dairy contemporary groups

( 9,941 herdmate records from 62 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.8%, FR: 21.7%, JE: 9.1%, NR: 0.9%, OTHER: 0.5%	HO: 64.9%, FR: 21.1%, JE: 11.0%, NR: 0.9%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5% 2.5% 2.4%	6.1% 2.5% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	748 Days 1095 Days 2087 Days	731 Days 1111 Days 2185 Days

30 total progeny records from 11 contemporary groups

( 962 herdmate records from 11 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.0%, FR: 23.0%, JE: 8.8%, NR: 1.1%, OTHER: 0.8%	HO: 70.2%, FR: 22.0%, JE: 4.3%, NR: 1.2%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 20.4% 18.7%	0% 18.8% 18.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.6kg 40.8kg	0kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1092 Days 2293 Days	0 Days 1121 Days 2191 Days

16 total progeny records from 3 contemporary groups

( 506 herdmate records from 3 contemporary groups)