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 10.5% 4.1%	75% ( High) 94% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 4.1%	74% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.2%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	28.4%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	45.3 kg	86%
May 2025	Birth Weight (Expected progeny birth weight)	45.5 kg	86%
Sep 2025	Gestation (Days between conception and birth)	1.87 days	99%
May 2025	Gestation (Days between conception and birth)	1.89 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.58	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.55	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.12%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.09%	84%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.5% 4.1%	75% ( High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 4.1%	74% 94%
Sep 2025	Birth Size	28.2%	95%
May 2025	Birth Size	28.4%	95%
Sep 2025	Birth Weight	45.3 kg	86%
May 2025	Birth Weight	45.5 kg	86%
Sep 2025	Gest	1.87 days	99%
May 2025	Gest	1.89 days	99%
Sep 2025	Mort	-0.58	99%
May 2025	Mort	-0.55	99%
Sep 2025	Maternal Calving Difficulty	3.12%	86%
May 2025	Maternal Calving Difficulty	3.09%	84%

496 total progeny records from 141 dairy contemporary groups

( 6,528 herdmate records from 141 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 53.1%, FR: 16.0%, JE: 2.2%, NR: 0.6%, OTHER: 3.8%	HO: 60.1%, FR: 20.8%, JE: 2.3%, NR: 0.8%, OTHER: 3.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	8.6% 3.4% 2.9%	8.2% 2.9% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	859 Days 1177 Days 2185 Days	790 Days 1140 Days 2221 Days

116 total progeny records from 34 contemporary groups

( 1,637 herdmate records from 33 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 48.9%, FR: 15.2%, JE: 2.5%, NR: 0.1%, OTHER: 1.9%	HO: 48.2%, FR: 17.3%, JE: 3.3%, NR: 0.5%, OTHER: 2.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	24.1% 25.2% 19.3%	21.5% 22.5% 20.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.8kg 42.3kg	0kg 42.4kg 41.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	831 Days 1215 Days 2198 Days	769 Days 1158 Days 2258 Days

32 total progeny records from 5 contemporary groups

( 224 herdmate records from 5 contemporary groups)