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 5.1% 1.9%	73% ( High) 89% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.0%	72% 89%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.3%	82%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.6%	82%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.4 kg	78%
May 2025	Birth Weight (Expected progeny birth weight)	39.3 kg	78%
Sep 2025	Gestation (Days between conception and birth)	-5.59 days	95%
May 2025	Gestation (Days between conception and birth)	-5.57 days	95%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	95%
May 2025	Mortality (Calves dead at or soon after birth)	-0.78	95%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.27%	78%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.38%	77%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 1.9%	73% ( High) 89% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.0%	72% 89%
Sep 2025	Birth Size	15.3%	82%
May 2025	Birth Size	15.6%	82%
Sep 2025	Birth Weight	39.4 kg	78%
May 2025	Birth Weight	39.3 kg	78%
Sep 2025	Gest	-5.59 days	95%
May 2025	Gest	-5.57 days	95%
Sep 2025	Mort	-0.67	95%
May 2025	Mort	-0.78	95%
Sep 2025	Maternal Calving Difficulty	5.27%	78%
May 2025	Maternal Calving Difficulty	5.38%	77%

130 total progeny records from 41 dairy contemporary groups

( 3,724 herdmate records from 41 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.3%, FR: 29.7%, JE: 2.5%, NR: 0.6%, OTHER: 1.1%	HO: 67.4%, FR: 26.3%, JE: 2.7%, NR: 0.7%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.4% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1093 Days 2105 Days	757 Days 1115 Days 2173 Days

14 total progeny records from 5 contemporary groups

( 251 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.6%, FR: 33.5%, JE: 0.4%, NR: 0.0%, OTHER: 0.3%	HO: 68.0%, FR: 27.3%, JE: 0.7%, NR: 0.6%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 23.2% 19.1%	0% 17.5% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.1kg 41.7kg	0kg 41.1kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1079 Days 2132 Days	0 Days 1146 Days 2109 Days

7 total progeny records from 2 contemporary groups

( 197 herdmate records from 2 contemporary groups)