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 4.02
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -1.56 -0.375 0.58
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 6.95
Calving Interval (days) -3.65 -1.459 5.33
Survival (%) 1.45 1.117 1.62
Calving Sub Index 1.14
Gestation Length (days) -1.24 -0.919 1.14
Beef Sub Index 2.98
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 19.38

* Based on an €80/tonne carbon price