Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.92
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -10.73 -0.375 4.02
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index 12.74
Calving Interval (days) -7.08 -1.459 10.33
Survival (%) 2.16 1.117 2.41
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.40
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 3.12 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 28.02

* Based on an €80/tonne carbon price