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% 3.0%	76% ( High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 3.0%	75% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.1%	85%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.8%	84%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.1 kg	83%
May 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	83%
Sep 2025	Gestation (Days between conception and birth)	-2.63 days	97%
May 2025	Gestation (Days between conception and birth)	-2.58 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.19	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.25	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.64%	82%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.65%	82%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 3.0%	76% ( High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 3.0%	75% 95%
Sep 2025	Birth Size	21.1%	85%
May 2025	Birth Size	20.8%	84%
Sep 2025	Birth Weight	40.1 kg	83%
May 2025	Birth Weight	40.0 kg	83%
Sep 2025	Gest	-2.63 days	97%
May 2025	Gest	-2.58 days	97%
Sep 2025	Mort	-0.19	97%
May 2025	Mort	-0.25	97%
Sep 2025	Maternal Calving Difficulty	4.64%	82%
May 2025	Maternal Calving Difficulty	4.65%	82%

336 total progeny records from 87 dairy contemporary groups

( 4,616 herdmate records from 87 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.4%, FR: 19.6%, JE: 0.7%, NR: 0.1%, OTHER: 5.0%	HO: 69.3%, FR: 20.1%, JE: 1.4%, NR: 0.4%, OTHER: 5.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.8% 2.9%	6.8% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	806 Days 1162 Days 2287 Days	766 Days 1171 Days 2253 Days

21 total progeny records from 5 contemporary groups

( 326 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.3%, FR: 26.3%, JE: 0.6%, NR: 0.0%, OTHER: 1.1%	HO: 64.9%, FR: 22.4%, JE: 0.4%, NR: 0.2%, OTHER: 10.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 20.6% 22.3%	0% 22.2% 22.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.9kg 41.3kg	0kg 40.8kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1098 Days 2407 Days	0 Days 1140 Days 2232 Days

12 total progeny records from 2 contemporary groups

( 239 herdmate records from 2 contemporary groups)