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 11.4% 4.7%	71% ( High) 82% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 11.5% 4.7%	70% 82%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	30.9%	69%
May 2025	Birth Size (Progeny expected to be born large or extra large)	30.1%	68%
Sep 2025	Birth Weight (Expected progeny birth weight)	44.4 kg	75%
May 2025	Birth Weight (Expected progeny birth weight)	44.6 kg	75%
Sep 2025	Gestation (Days between conception and birth)	1.61 days	95%
May 2025	Gestation (Days between conception and birth)	1.59 days	95%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.69	95%
May 2025	Mortality (Calves dead at or soon after birth)	-0.71	95%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.74%	72%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.82%	72%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 11.4% 4.7%	71% ( High) 82% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 11.5% 4.7%	70% 82%
Sep 2025	Birth Size	30.9%	69%
May 2025	Birth Size	30.1%	68%
Sep 2025	Birth Weight	44.4 kg	75%
May 2025	Birth Weight	44.6 kg	75%
Sep 2025	Gest	1.61 days	95%
May 2025	Gest	1.59 days	95%
Sep 2025	Mort	-0.69	95%
May 2025	Mort	-0.71	95%
Sep 2025	Maternal Calving Difficulty	3.74%	72%
May 2025	Maternal Calving Difficulty	3.82%	72%

165 total progeny records from 51 dairy contemporary groups

( 1,778 herdmate records from 51 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 15.3%, FR: 4.5%, JE: 0.1%, NR: 0.2%, OTHER: 78.7%	HO: 21.8%, FR: 9.2%, JE: 0.7%, NR: 0.6%, OTHER: 63.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	9.5% 4.1% 3.6%	8.9% 3.7% 3.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	916 Days 1191 Days 2328 Days	852 Days 1169 Days 2299 Days

4 total progeny records from 2 contemporary groups

( 84 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 22.7%, FR: 5.7%, JE: 0.0%, NR: 0.0%, OTHER: 68.8%	HO: 21.1%, FR: 16.0%, JE: 0.0%, NR: 0.4%, OTHER: 60.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 30.7% 27.9%	0% 25.8% 25.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 43.9kg 42.8kg	0kg 42.6kg 42.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1102 Days 2201 Days	0 Days 1133 Days 2154 Days

9 total progeny records from 4 contemporary groups

( 167 herdmate records from 4 contemporary groups)