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 9.63
Milk (kg) -244.00 -0.014 3.42
Fat (kg) -9.66 -0.375 3.62
Prot (kg) -5.89 -0.441 2.60
Fertility Sub Index 3.14
Calving Interval (days) -1.83 -1.459 2.67
Survival (%) 0.42 1.117 0.47
Calving Sub Index -1.51
Gestation Length (days) 1.64 -0.919 -1.51
Beef Sub Index -2.57
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) -0.40 -0.432 0.17
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 7.31

* Based on an €80/tonne carbon price