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% 2.4%	77% ( High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.4%	77% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.0%	76%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.1%	76%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.4 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-4.48 days	97%
May 2025	Gestation (Days between conception and birth)	-4.47 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.48	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.54	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.59%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.55%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.4%	77% ( High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.4%	77% 91%
Sep 2025	Birth Size	16.0%	76%
May 2025	Birth Size	16.1%	76%
Sep 2025	Birth Weight	39.4 kg	89%
May 2025	Birth Weight	39.5 kg	90%
Sep 2025	Gest	-4.48 days	97%
May 2025	Gest	-4.47 days	97%
Sep 2025	Mort	-0.48	97%
May 2025	Mort	-0.54	97%
Sep 2025	Maternal Calving Difficulty	4.59%	79%
May 2025	Maternal Calving Difficulty	4.55%	79%

321 total progeny records from 87 dairy contemporary groups

( 12,644 herdmate records from 87 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.5%, FR: 21.1%, JE: 13.0%, NR: 0.9%, OTHER: 1.1%	HO: 59.6%, FR: 20.2%, JE: 16.3%, NR: 1.4%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.8% 2.5% 2.4%	5.9% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	724 Days 1096 Days 2166 Days	732 Days 1108 Days 2197 Days

7 total progeny records from 3 contemporary groups

( 580 herdmate records from 3 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 58.1%, FR: 20.0%, JE: 19.9%, NR: 0.4%, OTHER: 0.7%	HO: 59.4%, FR: 19.6%, JE: 19.5%, NR: 0.5%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 17.7% 17.1%	0% 15.4% 15.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 38.9kg 39.6kg	39.7kg 39.9kg 39.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1095 Days 1954 Days	731 Days 1103 Days 2173 Days

31 total progeny records from 8 contemporary groups

( 1,552 herdmate records from 8 contemporary groups)