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 6.3% 2.7%	74% ( High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.7%	72% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.3%	84%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.2%	84%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.0 kg	83%
May 2025	Birth Weight (Expected progeny birth weight)	42.0 kg	83%
Sep 2025	Gestation (Days between conception and birth)	-3.81 days	96%
May 2025	Gestation (Days between conception and birth)	-3.83 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.09	96%
May 2025	Mortality (Calves dead at or soon after birth)	0.08	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.71%	83%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.70%	83%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.7%	74% ( High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.7%	72% 92%
Sep 2025	Birth Size	22.3%	84%
May 2025	Birth Size	22.2%	84%
Sep 2025	Birth Weight	42.0 kg	83%
May 2025	Birth Weight	42.0 kg	83%
Sep 2025	Gest	-3.81 days	96%
May 2025	Gest	-3.83 days	96%
Sep 2025	Mort	0.09	96%
May 2025	Mort	0.08	96%
Sep 2025	Maternal Calving Difficulty	4.71%	83%
May 2025	Maternal Calving Difficulty	4.70%	83%

220 total progeny records from 61 dairy contemporary groups

( 6,228 herdmate records from 61 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 78.2%, FR: 16.8%, JE: 3.1%, NR: 0.2%, OTHER: 0.9%	HO: 70.6%, FR: 21.6%, JE: 5.0%, NR: 0.4%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.6% 2.6%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	882 Days 1123 Days 2112 Days	739 Days 1118 Days 2194 Days

18 total progeny records from 6 contemporary groups

( 1,076 herdmate records from 6 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.4%, FR: 29.0%, JE: 7.2%, NR: 0.0%, OTHER: 0.6%	HO: 59.8%, FR: 33.7%, JE: 4.5%, NR: 0.1%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 17.7% 19.1%	0% 19.5% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.8kg 41.8kg 40.8kg	40.4kg 40.5kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	711 Days 1094 Days 1974 Days	733 Days 1103 Days 2193 Days

13 total progeny records from 6 contemporary groups

( 715 herdmate records from 6 contemporary groups)