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 5.7% 2.1%	76% ( High) 88% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.0%	76% 88%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.2%	82%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.4%	82%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	71%
May 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	63%
Sep 2025	Gestation (Days between conception and birth)	-5.07 days	95%
May 2025	Gestation (Days between conception and birth)	-5.00 days	95%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.47	95%
May 2025	Mortality (Calves dead at or soon after birth)	-0.49	95%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.01%	74%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.04%	73%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.1%	76% ( High) 88% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.0%	76% 88%
Sep 2025	Birth Size	17.2%	82%
May 2025	Birth Size	16.4%	82%
Sep 2025	Birth Weight	40.3 kg	71%
May 2025	Birth Weight	39.6 kg	63%
Sep 2025	Gest	-5.07 days	95%
May 2025	Gest	-5.00 days	95%
Sep 2025	Mort	-0.47	95%
May 2025	Mort	-0.49	95%
Sep 2025	Maternal Calving Difficulty	4.01%	74%
May 2025	Maternal Calving Difficulty	4.04%	73%

154 total progeny records from 48 dairy contemporary groups

( 6,016 herdmate records from 48 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.7%, FR: 20.9%, JE: 6.7%, NR: 0.2%, OTHER: 0.6%	HO: 67.0%, FR: 22.9%, JE: 7.4%, NR: 0.5%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.7% 2.4% 2.5%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	722 Days 1100 Days 2079 Days	735 Days 1114 Days 2197 Days

18 total progeny records from 5 contemporary groups

( 471 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.9%, FR: 17.3%, JE: 6.5%, NR: 0.0%, OTHER: 0.0%	HO: 76.8%, FR: 18.0%, JE: 3.3%, NR: 0.1%, OTHER: 0.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.6% 20.2%	0% 18.8% 18.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.7kg 41.3kg	0kg 40.9kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1099 Days 2315 Days	0 Days 1136 Days 2199 Days

3 total progeny records from 1 contemporary groups

( 121 herdmate records from 1 contemporary groups)