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 5.8% 2.6%	75% ( High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.6%	75% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.6%	74%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.3%	74%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	82%
May 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	82%
Sep 2025	Gestation (Days between conception and birth)	-3.65 days	92%
May 2025	Gestation (Days between conception and birth)	-3.72 days	92%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.50	92%
May 2025	Mortality (Calves dead at or soon after birth)	-0.58	92%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.17%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.11%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.6%	75% ( High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.6%	75% 91%
Sep 2025	Birth Size	19.6%	74%
May 2025	Birth Size	19.3%	74%
Sep 2025	Birth Weight	40.9 kg	82%
May 2025	Birth Weight	41.1 kg	82%
Sep 2025	Gest	-3.65 days	92%
May 2025	Gest	-3.72 days	92%
Sep 2025	Mort	-0.50	92%
May 2025	Mort	-0.58	92%
Sep 2025	Maternal Calving Difficulty	5.17%	79%
May 2025	Maternal Calving Difficulty	5.11%	79%

98 total progeny records from 34 dairy contemporary groups

( 671 herdmate records from 34 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 86.6%, FR: 3.2%, JE: 0.4%, NR: 0.6%, OTHER: 6.3%	HO: 90.4%, FR: 3.3%, JE: 0.3%, NR: 0.2%, OTHER: 3.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	8.9% 3.2% 3.1%	7.7% 3.1% 3.1%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	818 Days 1258 Days 2234 Days	778 Days 1226 Days 2224 Days

5 total progeny records from 3 contemporary groups

( 121 herdmate records from 3 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 96.9%, FR: 2.9%, JE: 0.0%, NR: 0.0%, OTHER: 0.0%	HO: 98.6%, FR: 1.1%, JE: 0.0%, NR: 0.0%, OTHER: 0.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	31.9% 0% 23.8%	22.6% 0% 21.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.9kg 41.5kg 41.9kg	42.1kg 41.8kg 41.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	956 Days 1526 Days 2224 Days	784 Days 1188 Days 2208 Days

11 total progeny records from 2 contemporary groups

( 33 herdmate records from 2 contemporary groups)