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 3.47
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -1.08 -0.375 0.40
Prot (kg) -3.49 -0.441 1.54
Fertility Sub Index -2.02
Calving Interval (days) 0.69 -1.459 -1.01
Survival (%) -0.91 1.117 -1.02
Calving Sub Index 1.08
Gestation Length (days) -1.17 -0.919 1.08
Beef Sub Index -0.42
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 4.03

* Based on an €80/tonne carbon price