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 5.0% 2.2%	77% ( High) 86% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.2%	78% 86%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.0%	84%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.0%	83%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	61%
May 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	61%
Sep 2025	Gestation (Days between conception and birth)	-2.77 days	97%
May 2025	Gestation (Days between conception and birth)	-2.74 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.64	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.65	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.59%	66%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.54%	67%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.2%	77% ( High) 86% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.2%	78% 86%
Sep 2025	Birth Size	16.0%	84%
May 2025	Birth Size	16.0%	83%
Sep 2025	Birth Weight	41.1 kg	61%
May 2025	Birth Weight	41.4 kg	61%
Sep 2025	Gest	-2.77 days	97%
May 2025	Gest	-2.74 days	97%
Sep 2025	Mort	-0.64	97%
May 2025	Mort	-0.65	97%
Sep 2025	Maternal Calving Difficulty	4.59%	66%
May 2025	Maternal Calving Difficulty	4.54%	67%

244 total progeny records from 67 dairy contemporary groups

( 4,297 herdmate records from 66 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 49.2%, FR: 16.5%, JE: 17.8%, NR: 6.9%, OTHER: 4.5%	HO: 53.3%, FR: 18.5%, JE: 14.8%, NR: 7.4%, OTHER: 3.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.9% 2.6% 2.5%	5.9% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1104 Days 2081 Days	738 Days 1111 Days 2171 Days

26 total progeny records from 6 contemporary groups

( 684 herdmate records from 6 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 55.3%, FR: 16.6%, JE: 9.4%, NR: 8.2%, OTHER: 7.7%	HO: 56.4%, FR: 20.3%, JE: 15.2%, NR: 3.0%, OTHER: 3.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.5% 18.2%	0% 17.3% 17.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 39.5kg 39.9kg	0kg 39.6kg 40.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1097 Days 1992 Days	0 Days 1110 Days 2188 Days

6 total progeny records from 1 contemporary groups

( 205 herdmate records from 1 contemporary groups)