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 6.5% 2.3%	94% ( 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 6.5% 2.3%	94% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.0%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.9%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-5.92 days	99%
May 2025	Gestation (Days between conception and birth)	-5.94 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.13	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.18	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.14%	96%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.17%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.3%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.3%	94% 98%
Sep 2025	Birth Size	21.0%	93%
May 2025	Birth Size	20.9%	93%
Sep 2025	Birth Weight	40.8 kg	92%
May 2025	Birth Weight	40.9 kg	92%
Sep 2025	Gest	-5.92 days	99%
May 2025	Gest	-5.94 days	99%
Sep 2025	Mort	-0.13	99%
May 2025	Mort	-0.18	99%
Sep 2025	Maternal Calving Difficulty	5.14%	96%
May 2025	Maternal Calving Difficulty	5.17%	95%

1,120 total progeny records from 227 dairy contemporary groups

( 18,629 herdmate records from 224 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.5%, FR: 25.5%, JE: 6.6%, NR: 0.9%, OTHER: 1.9%	HO: 60.0%, FR: 22.4%, JE: 10.9%, NR: 1.7%, OTHER: 2.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.5% 2.7%	6.4% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	759 Days 1120 Days 2059 Days	749 Days 1117 Days 2100 Days

51 total progeny records from 13 contemporary groups

( 1,069 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.9%, FR: 28.3%, JE: 5.5%, NR: 0.7%, OTHER: 0.4%	HO: 60.5%, FR: 21.1%, JE: 13.2%, NR: 1.9%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.4% 18.9% 18.5%	17% 16.7% 16.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.9kg 40.9kg	0kg 40.2kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	784 Days 1118 Days 2032 Days	740 Days 1114 Days 2163 Days

49 total progeny records from 11 contemporary groups

( 1,210 herdmate records from 11 contemporary groups)