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% 2.1%	93% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.2%	93% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.2%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.1 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	39.3 kg	86%
Sep 2025	Gestation (Days between conception and birth)	-3.32 days	99%
May 2025	Gestation (Days between conception and birth)	-3.34 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.31	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.37	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.37%	93%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.34%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.1%	93% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.2%	93% 96%
Sep 2025	Birth Size	19.4%	91%
May 2025	Birth Size	19.2%	91%
Sep 2025	Birth Weight	39.1 kg	87%
May 2025	Birth Weight	39.3 kg	86%
Sep 2025	Gest	-3.32 days	99%
May 2025	Gest	-3.34 days	99%
Sep 2025	Mort	-0.31	99%
May 2025	Mort	-0.37	99%
Sep 2025	Maternal Calving Difficulty	5.37%	93%
May 2025	Maternal Calving Difficulty	5.34%	93%

902 total progeny records from 192 dairy contemporary groups

( 19,447 herdmate records from 191 dairy contemporary groups)

156 progeny ( 1,520 herdmates) born to heifers
233 progeny ( 4,815 herdmates) born to 2nd parity dam
513 progeny ( 13,112 herdmates) born to ≥3rd parity dam
52.5% progeny (50.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 54.6%, FR: 19.4%, JE: 20.7%, NR: 1.8%, OTHER: 1.8%	HO: 54.7%, FR: 18.9%, JE: 19.9%, NR: 2.0%, OTHER: 2.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.8% 2.3% 2.4%	5.9% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	750 Days 1114 Days 2101 Days	739 Days 1111 Days 2135 Days

38 total progeny records from 9 contemporary groups

( 926 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.9%, FR: 17.5%, JE: 13.5%, NR: 2.3%, OTHER: 2.9%	HO: 59.5%, FR: 19.2%, JE: 17.2%, NR: 0.6%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.7% 16.4% 17.7%	16.2% 16.7% 16.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 38.7kg 39.2kg	0kg 39.9kg 39.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1103 Days 2048 Days	731 Days 1106 Days 2093 Days

13 total progeny records from 4 contemporary groups

( 591 herdmate records from 4 contemporary groups)