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 5.35
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -4.31 -0.375 1.61
Prot (kg) -3.38 -0.441 1.49
Fertility Sub Index 8.05
Calving Interval (days) -4.66 -1.459 6.80
Survival (%) 1.12 1.117 1.25
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 4.07
Carcass Weight (kg) -9.10 -0.528 4.80
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 23.63

* Based on an €80/tonne carbon price