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	High 9.5% 3.8%	60% ( High) 80% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.6% 3.8%	60% 80%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.9%	73%
May 2025	Birth Size (Progeny expected to be born large or extra large)	29.0%	73%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	53%
May 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	53%
Sep 2025	Gestation (Days between conception and birth)	1.08 days	92%
May 2025	Gestation (Days between conception and birth)	1.08 days	92%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.93	92%
May 2025	Mortality (Calves dead at or soon after birth)	0.88	92%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.77%	64%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.93%	63%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.5% 3.8%	60% ( High) 80% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.6% 3.8%	60% 80%
Sep 2025	Birth Size	28.9%	73%
May 2025	Birth Size	29.0%	73%
Sep 2025	Birth Weight	42.2 kg	53%
May 2025	Birth Weight	42.2 kg	53%
Sep 2025	Gest	1.08 days	92%
May 2025	Gest	1.08 days	92%
Sep 2025	Mort	0.93	92%
May 2025	Mort	0.88	92%
Sep 2025	Maternal Calving Difficulty	3.77%	64%
May 2025	Maternal Calving Difficulty	3.93%	63%

131 total progeny records from 34 dairy contemporary groups

( 2,519 herdmate records from 34 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 42.0%, FR: 10.0%, JE: 4.9%, NR: 3.1%, OTHER: 34.6%	HO: 70.8%, FR: 13.5%, JE: 2.4%, NR: 2.0%, OTHER: 8.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	9.6% 3.5% 3%	7.5% 2.8% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	818 Days 1201 Days 2183 Days	804 Days 1138 Days 2189 Days

10 total progeny records from 5 contemporary groups

( 611 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 44.0%, FR: 39.5%, JE: 9.4%, NR: 2.0%, OTHER: 4.5%	HO: 54.3%, FR: 24.3%, JE: 3.8%, NR: 1.7%, OTHER: 12.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 0% 19%	0% 0% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.6kg 38.8kg	0kg 39.3kg 40.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1095 Days 2433 Days	0 Days 1118 Days 2295 Days

3 total progeny records from 1 contemporary groups

( 76 herdmate records from 1 contemporary groups)