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 7.1% 2.8%	92% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.8%	91% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.5%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.6%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	42.0 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-2.21 days	99%
May 2025	Gestation (Days between conception and birth)	-2.19 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.56	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.62	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.65%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.72%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.8%	92% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.8%	91% 98%
Sep 2025	Birth Size	23.5%	95%
May 2025	Birth Size	23.6%	95%
Sep 2025	Birth Weight	41.8 kg	95%
May 2025	Birth Weight	42.0 kg	94%
Sep 2025	Gest	-2.21 days	99%
May 2025	Gest	-2.19 days	99%
Sep 2025	Mort	-0.56	99%
May 2025	Mort	-0.62	99%
Sep 2025	Maternal Calving Difficulty	4.65%	89%
May 2025	Maternal Calving Difficulty	4.72%	89%

1,698 total progeny records from 447 dairy contemporary groups

( 35,334 herdmate records from 446 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.9%, FR: 20.0%, JE: 2.6%, NR: 0.4%, OTHER: 0.8%	HO: 71.7%, FR: 21.2%, JE: 3.6%, NR: 0.5%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.6% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	748 Days 1121 Days 2154 Days	749 Days 1120 Days 2202 Days

103 total progeny records from 33 contemporary groups

( 2,354 herdmate records from 32 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.5%, FR: 20.7%, JE: 0.8%, NR: 0.2%, OTHER: 1.3%	HO: 71.7%, FR: 23.5%, JE: 1.0%, NR: 0.4%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.2% 18.3% 19.9%	19% 19.4% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.5kg 41.2kg 41.5kg	41.2kg 41.1kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	774 Days 1133 Days 2137 Days	762 Days 1111 Days 2200 Days

82 total progeny records from 14 contemporary groups

( 1,339 herdmate records from 14 contemporary groups)