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 -7.11
Milk (kg) 36.00 -0.014 -0.50
Fat (kg) 12.38 -0.375 -4.64
Prot (kg) 4.47 -0.441 -1.97
Fertility Sub Index -3.05
Calving Interval (days) 2.79 -1.459 -4.07
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 2.58
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -1.20 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index -5.50

* Based on an €80/tonne carbon price