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	Low 6.5% 2.6%	82% ( V High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.6%	82% 93%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.8%	87%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.7%	87%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	81%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	81%
Sep 2025	Gestation (Days between conception and birth)	-1.94 days	96%
May 2025	Gestation (Days between conception and birth)	-1.89 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.60	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.64	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.55%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.47%	86%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	82% ( V High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.6%	82% 93%
Sep 2025	Birth Size	20.8%	87%
May 2025	Birth Size	20.7%	87%
Sep 2025	Birth Weight	40.4 kg	81%
May 2025	Birth Weight	40.4 kg	81%
Sep 2025	Gest	-1.94 days	96%
May 2025	Gest	-1.89 days	96%
Sep 2025	Mort	-0.60	96%
May 2025	Mort	-0.64	96%
Sep 2025	Maternal Calving Difficulty	4.55%	86%
May 2025	Maternal Calving Difficulty	4.47%	86%

211 total progeny records from 77 dairy contemporary groups

( 6,202 herdmate records from 77 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.9%, FR: 18.0%, JE: 2.9%, NR: 0.5%, OTHER: 0.6%	HO: 76.4%, FR: 18.1%, JE: 3.0%, NR: 0.5%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.1% 2.3% 2.5%	5.9% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1139 Days 2228 Days	732 Days 1122 Days 2161 Days

20 total progeny records from 8 contemporary groups

( 428 herdmate records from 8 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 82.9%, FR: 12.5%, JE: 2.0%, NR: 1.8%, OTHER: 0.1%	HO: 82.0%, FR: 15.0%, JE: 0.3%, NR: 1.2%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 17.4% 18.5%	0% 18.3% 19.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 0kg 40.9kg	0kg 0kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1152 Days 2444 Days	0 Days 1117 Days 2206 Days

8 total progeny records from 4 contemporary groups

( 585 herdmate records from 4 contemporary groups)