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 7.0% 2.9%	81% ( V High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.0% 2.9%	81% 93%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.2%	87%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.9%	87%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.0 kg	81%
May 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	80%
Sep 2025	Gestation (Days between conception and birth)	-3.37 days	96%
May 2025	Gestation (Days between conception and birth)	-3.34 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.31	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.33	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.86%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.84%	86%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.0% 2.9%	81% ( V High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.0% 2.9%	81% 93%
Sep 2025	Birth Size	19.2%	87%
May 2025	Birth Size	18.9%	87%
Sep 2025	Birth Weight	42.0 kg	81%
May 2025	Birth Weight	42.2 kg	80%
Sep 2025	Gest	-3.37 days	96%
May 2025	Gest	-3.34 days	96%
Sep 2025	Mort	-0.31	96%
May 2025	Mort	-0.33	96%
Sep 2025	Maternal Calving Difficulty	4.86%	86%
May 2025	Maternal Calving Difficulty	4.84%	86%

221 total progeny records from 68 dairy contemporary groups

( 7,739 herdmate records from 68 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.1%, FR: 20.9%, JE: 10.1%, NR: 0.9%, OTHER: 1.4%	HO: 64.8%, FR: 20.3%, JE: 10.5%, NR: 1.1%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.8% 2.3% 2.5%	5.8% 2.4% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1112 Days 2087 Days	730 Days 1111 Days 2169 Days

20 total progeny records from 10 contemporary groups

( 600 herdmate records from 10 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 59.5%, FR: 31.3%, JE: 7.1%, NR: 0.3%, OTHER: 0.4%	HO: 62.9%, FR: 27.4%, JE: 6.3%, NR: 0.9%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 16.4% 20.9%	0% 17.1% 18.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.5kg 40.3kg	0kg 40.9kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1066 Days 1947 Days	0 Days 1099 Days 2166 Days

7 total progeny records from 3 contemporary groups

( 119 herdmate records from 3 contemporary groups)