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 3.58
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 9.13
Calving Interval (days) -4.76 -1.459 6.95
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.34
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 21.63

* Based on an €80/tonne carbon price