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 6.4% 2.4%	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 6.4% 2.4%	92% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.4%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.6%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-3.93 days	99%
May 2025	Gestation (Days between conception and birth)	-3.93 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.12	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.15	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.92%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.91%	91%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.4%	93% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.4%	92% 95%
Sep 2025	Birth Size	16.4%	91%
May 2025	Birth Size	16.6%	91%
Sep 2025	Birth Weight	40.6 kg	94%
May 2025	Birth Weight	40.9 kg	94%
Sep 2025	Gest	-3.93 days	99%
May 2025	Gest	-3.93 days	99%
Sep 2025	Mort	-0.12	99%
May 2025	Mort	-0.15	99%
Sep 2025	Maternal Calving Difficulty	4.92%	91%
May 2025	Maternal Calving Difficulty	4.91%	91%

773 total progeny records from 180 dairy contemporary groups

( 20,127 herdmate records from 179 dairy contemporary groups)

62 progeny ( 1,092 herdmates) born to heifers
223 progeny ( 4,908 herdmates) born to 2nd parity dam
488 progeny ( 14,127 herdmates) born to ≥3rd parity dam
53.2% progeny (51.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.3%, FR: 23.5%, JE: 10.7%, NR: 0.8%, OTHER: 1.2%	HO: 61.4%, FR: 23.4%, JE: 10.9%, NR: 1.4%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.4% 2.5%	5.8% 2.4% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1106 Days 2107 Days	728 Days 1110 Days 2160 Days

47 total progeny records from 12 contemporary groups

( 1,266 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.6%, FR: 20.3%, JE: 12.7%, NR: 0.2%, OTHER: 0.5%	HO: 63.6%, FR: 20.5%, JE: 13.1%, NR: 1.0%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 17.1% 17.1%	0% 17.3% 16.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 40kg 40.2kg	40.3kg 40.1kg 40.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1109 Days 2150 Days	737 Days 1111 Days 2200 Days

54 total progeny records from 11 contemporary groups

( 1,566 herdmate records from 11 contemporary groups)