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 2.51
Milk (kg) -233.00 -0.014 3.26
Fat (kg) 3.69 -0.375 -1.38
Prot (kg) -1.42 -0.441 0.63
Fertility Sub Index -1.68
Calving Interval (days) 0.77 -1.459 -1.12
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index -2.29
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) -3.49 -0.432 1.51
Maintenance Sub Index Maint. Sub Index -5.52
Live WT (kg) 18.00 -0.307 -5.52
Total Carbon Sub Index -6.78

* Based on an €80/tonne carbon price