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 8.1% 3.2%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.1% 3.2%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.9%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.8%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-3.34 days	99%
May 2025	Gestation (Days between conception and birth)	-3.33 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.66	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.70	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.84%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.81%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.1% 3.2%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.1% 3.2%	95% 98%
Sep 2025	Birth Size	22.9%	93%
May 2025	Birth Size	22.8%	93%
Sep 2025	Birth Weight	41.4 kg	91%
May 2025	Birth Weight	41.4 kg	91%
Sep 2025	Gest	-3.34 days	99%
May 2025	Gest	-3.33 days	99%
Sep 2025	Mort	-0.66	99%
May 2025	Mort	-0.70	99%
Sep 2025	Maternal Calving Difficulty	4.84%	95%
May 2025	Maternal Calving Difficulty	4.81%	95%

798 total progeny records from 262 dairy contemporary groups

( 7,502 herdmate records from 258 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 91.6%, FR: 7.0%, JE: 0.2%, NR: 0.1%, OTHER: 0.1%	HO: 90.0%, FR: 7.3%, JE: 0.7%, NR: 0.4%, OTHER: 0.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.9% 3.2% 3.3%	7.6% 3.1% 3.1%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	778 Days 1219 Days 2138 Days	797 Days 1210 Days 2153 Days

46 total progeny records from 18 contemporary groups

( 650 herdmate records from 18 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 88.8%, FR: 10.0%, JE: 0.0%, NR: 0.0%, OTHER: 0.1%	HO: 91.0%, FR: 6.6%, JE: 1.1%, NR: 0.1%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	23.9% 23.9% 21.4%	21.1% 21.9% 22.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.4kg 41.8kg	0kg 41.7kg 41.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1158 Days 1998 Days	763 Days 1153 Days 2117 Days

25 total progeny records from 7 contemporary groups

( 196 herdmate records from 7 contemporary groups)