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	Moderate 8.3% 2.8%	91% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.4% 2.8%	91% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.0%	84%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.3%	84%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-2.46 days	98%
May 2025	Gestation (Days between conception and birth)	-2.43 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.15	98%
May 2025	Mortality (Calves dead at or soon after birth)	0.06	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.59%	87%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.59%	87%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.3% 2.8%	91% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.4% 2.8%	91% 95%
Sep 2025	Birth Size	22.0%	84%
May 2025	Birth Size	22.3%	84%
Sep 2025	Birth Weight	42.3 kg	92%
May 2025	Birth Weight	42.2 kg	92%
Sep 2025	Gest	-2.46 days	98%
May 2025	Gest	-2.43 days	98%
Sep 2025	Mort	0.15	98%
May 2025	Mort	0.06	98%
Sep 2025	Maternal Calving Difficulty	4.59%	87%
May 2025	Maternal Calving Difficulty	4.59%	87%

423 total progeny records from 75 dairy contemporary groups

( 8,163 herdmate records from 75 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.9%, FR: 25.6%, JE: 10.8%, NR: 0.5%, OTHER: 1.3%	HO: 60.3%, FR: 24.9%, JE: 10.8%, NR: 0.8%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.4% 2.5%	5.9% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1100 Days 2085 Days	733 Days 1111 Days 2144 Days

20 total progeny records from 4 contemporary groups

( 554 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.4%, FR: 23.6%, JE: 3.5%, NR: 0.5%, OTHER: 5.2%	HO: 64.7%, FR: 22.9%, JE: 2.6%, NR: 2.5%, OTHER: 5.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.3% 20.3% 21.4%	19.7% 19.7% 20.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 40.6kg 40.9kg	40.6kg 40.8kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	721 Days 1164 Days 2033 Days	737 Days 1116 Days 2077 Days

35 total progeny records from 4 contemporary groups

( 594 herdmate records from 4 contemporary groups)