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 6.0% 2.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.1%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	14.1%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.7%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-5.58 days	99%
May 2025	Gestation (Days between conception and birth)	-5.61 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.64	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.69	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.76%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.75%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.1%	99% 99%
Sep 2025	Birth Size	14.1%	98%
May 2025	Birth Size	13.7%	97%
Sep 2025	Birth Weight	41.2 kg	92%
May 2025	Birth Weight	41.2 kg	92%
Sep 2025	Gest	-5.58 days	99%
May 2025	Gest	-5.61 days	99%
Sep 2025	Mort	-0.64	99%
May 2025	Mort	-0.69	99%
Sep 2025	Maternal Calving Difficulty	6.76%	99%
May 2025	Maternal Calving Difficulty	6.75%	99%

6,415 total progeny records from 1,768 dairy contemporary groups

( 62,093 herdmate records from 1,731 dairy contemporary groups)

944 progeny ( 4,088 herdmates) born to heifers
1,350 progeny ( 14,476 herdmates) born to 2nd parity dam
4,121 progeny ( 43,529 herdmates) born to ≥3rd parity dam
50.6% progeny (51.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 51.4%, FR: 40.6%, JE: 0.7%, NR: 0.7%, OTHER: 3.0%	HO: 52.4%, FR: 39.5%, JE: 1.6%, NR: 0.6%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.9% 2.8% 2.9%	6.8% 2.7% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	799 Days 1156 Days 2269 Days	774 Days 1147 Days 2229 Days

265 total progeny records from 94 contemporary groups

( 4,016 herdmate records from 93 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.2%, FR: 29.8%, JE: 0.6%, NR: 0.1%, OTHER: 1.8%	HO: 55.2%, FR: 35.8%, JE: 1.6%, NR: 0.7%, OTHER: 1.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20% 20.4% 21.1%	20.1% 20% 20.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.5kg 41.8kg	0kg 41.5kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	823 Days 1182 Days 2090 Days	761 Days 1152 Days 2192 Days

41 total progeny records from 15 contemporary groups

( 1,040 herdmate records from 15 contemporary groups)