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 5.6% 2.5%	68% ( High) 81% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.5%	68% 81%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	12.8%	75%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.0%	75%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.2 kg	80%
May 2025	Birth Weight (Expected progeny birth weight)	39.4 kg	80%
Sep 2025	Gestation (Days between conception and birth)	-2.88 days	89%
May 2025	Gestation (Days between conception and birth)	-2.88 days	89%
Sep 2025	Mortality (Calves dead at or soon after birth)	2.35	89%
May 2025	Mortality (Calves dead at or soon after birth)	2.11	89%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.89%	69%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.83%	68%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	68% ( High) 81% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.5%	68% 81%
Sep 2025	Birth Size	12.8%	75%
May 2025	Birth Size	13.0%	75%
Sep 2025	Birth Weight	39.2 kg	80%
May 2025	Birth Weight	39.4 kg	80%
Sep 2025	Gest	-2.88 days	89%
May 2025	Gest	-2.88 days	89%
Sep 2025	Mort	2.35	89%
May 2025	Mort	2.11	89%
Sep 2025	Maternal Calving Difficulty	4.89%	69%
May 2025	Maternal Calving Difficulty	4.83%	68%

56 total progeny records from 25 dairy contemporary groups

( 4,531 herdmate records from 25 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 54.5%, FR: 19.6%, JE: 24.3%, NR: 0.4%, OTHER: 0.5%	HO: 53.0%, FR: 18.7%, JE: 24.8%, NR: 1.1%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.5% 2.4% 2.2%	5.4% 2.3% 2.3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	681 Days 1121 Days 1946 Days	734 Days 1103 Days 2143 Days

6 total progeny records from 3 contemporary groups

( 328 herdmate records from 3 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 55.7%, FR: 22.1%, JE: 21.7%, NR: 0.0%, OTHER: 0.2%	HO: 54.7%, FR: 18.7%, JE: 24.4%, NR: 0.9%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 16% 18%	0% 19% 18.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.6kg 40kg 39.3kg	39.2kg 39.4kg 39.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	700 Days 1094 Days 1988 Days	731 Days 1102 Days 2086 Days

10 total progeny records from 4 contemporary groups

( 1,040 herdmate records from 4 contemporary groups)