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% 2.3%	81% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.3%	80% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.2%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.2%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-3.40 days	99%
May 2025	Gestation (Days between conception and birth)	-3.37 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.37	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.27	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.45%	82%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	82%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.3%	81% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.3%	80% 94%
Sep 2025	Birth Size	15.2%	91%
May 2025	Birth Size	16.2%	91%
Sep 2025	Birth Weight	39.8 kg	91%
May 2025	Birth Weight	39.9 kg	91%
Sep 2025	Gest	-3.40 days	99%
May 2025	Gest	-3.37 days	99%
Sep 2025	Mort	-0.37	99%
May 2025	Mort	-0.27	99%
Sep 2025	Maternal Calving Difficulty	4.45%	82%
May 2025	Maternal Calving Difficulty	4.39%	82%

627 total progeny records from 154 dairy contemporary groups

( 17,146 herdmate records from 154 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.2%, FR: 23.2%, JE: 2.9%, NR: 0.4%, OTHER: 1.0%	HO: 69.8%, FR: 22.3%, JE: 5.5%, NR: 0.5%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	773 Days 1113 Days 2160 Days	742 Days 1109 Days 2164 Days

56 total progeny records from 14 contemporary groups

( 1,298 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.2%, FR: 23.1%, JE: 2.3%, NR: 0.6%, OTHER: 0.3%	HO: 69.3%, FR: 22.3%, JE: 5.8%, NR: 0.9%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 20.3% 17.8%	17.3% 18.5% 18.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.9kg 40.9kg	0kg 40.7kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	750 Days 1111 Days 2116 Days	736 Days 1103 Days 2161 Days

42 total progeny records from 8 contemporary groups

( 1,544 herdmate records from 8 contemporary groups)