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	Low 3.6% 1.8%	78% ( High) 86% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 3.6% 1.8%	77% 85%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	2.9%	75%
May 2025	Birth Size (Progeny expected to be born large or extra large)	2.0%	76%
Sep 2025	Birth Weight (Expected progeny birth weight)	35.3 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	35.3 kg	86%
Sep 2025	Gestation (Days between conception and birth)	-3.27 days	93%
May 2025	Gestation (Days between conception and birth)	-3.27 days	93%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.42	93%
May 2025	Mortality (Calves dead at or soon after birth)	0.37	93%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.82%	72%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.82%	71%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 3.6% 1.8%	78% ( High) 86% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 3.6% 1.8%	77% 85%
Sep 2025	Birth Size	2.9%	75%
May 2025	Birth Size	2.0%	76%
Sep 2025	Birth Weight	35.3 kg	87%
May 2025	Birth Weight	35.3 kg	86%
Sep 2025	Gest	-3.27 days	93%
May 2025	Gest	-3.27 days	93%
Sep 2025	Mort	0.42	93%
May 2025	Mort	0.37	93%
Sep 2025	Maternal Calving Difficulty	5.82%	72%
May 2025	Maternal Calving Difficulty	5.82%	71%

109 total progeny records from 36 dairy contemporary groups

( 4,001 herdmate records from 36 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 59.9%, FR: 18.5%, JE: 17.6%, NR: 0.8%, OTHER: 1.7%	HO: 54.3%, FR: 18.0%, JE: 22.7%, NR: 1.3%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.8% 2.4% 2.4%	5.7% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1123 Days 2281 Days	735 Days 1118 Days 2170 Days

10 total progeny records from 3 contemporary groups

( 232 herdmate records from 3 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.6%, FR: 19.2%, JE: 12.2%, NR: 1.3%, OTHER: 0.6%	HO: 56.2%, FR: 17.5%, JE: 22.7%, NR: 1.8%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	12.7% 18.4% 17.6%	16.7% 16.7% 16.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 39.8kg 40.2kg	0kg 39.4kg 39.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	702 Days 1076 Days 2258 Days	723 Days 1103 Days 2089 Days

21 total progeny records from 4 contemporary groups

( 719 herdmate records from 4 contemporary groups)