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 7.4% 2.8%	64% ( High) 88% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.8%	63% 87%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.7%	82%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.8%	82%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	83%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	84%
Sep 2025	Gestation (Days between conception and birth)	-2.70 days	94%
May 2025	Gestation (Days between conception and birth)	-2.70 days	94%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	94%
May 2025	Mortality (Calves dead at or soon after birth)	-0.71	94%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.60%	72%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.54%	71%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.8%	64% ( High) 88% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.8%	63% 87%
Sep 2025	Birth Size	22.7%	82%
May 2025	Birth Size	22.8%	82%
Sep 2025	Birth Weight	41.7 kg	83%
May 2025	Birth Weight	41.7 kg	84%
Sep 2025	Gest	-2.70 days	94%
May 2025	Gest	-2.70 days	94%
Sep 2025	Mort	-0.67	94%
May 2025	Mort	-0.71	94%
Sep 2025	Maternal Calving Difficulty	4.60%	72%
May 2025	Maternal Calving Difficulty	4.54%	71%

142 total progeny records from 39 dairy contemporary groups

( 4,734 herdmate records from 39 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.6%, FR: 21.4%, JE: 4.2%, NR: 0.1%, OTHER: 0.8%	HO: 70.7%, FR: 22.0%, JE: 3.8%, NR: 0.6%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.5% 2.5%	6.1% 2.6% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1062 Days 1100 Days 2138 Days	805 Days 1118 Days 2187 Days

17 total progeny records from 5 contemporary groups

( 377 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.8%, FR: 20.9%, JE: 1.8%, NR: 0.3%, OTHER: 1.4%	HO: 72.4%, FR: 21.0%, JE: 2.8%, NR: 0.9%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.2% 19%	0% 19.5% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.3kg 41.4kg	0kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1099 Days 1995 Days	0 Days 1104 Days 2190 Days

16 total progeny records from 6 contemporary groups

( 773 herdmate records from 6 contemporary groups)