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 16.59
Milk (kg) -317.00 -0.014 4.44
Fat (kg) -18.97 -0.375 7.11
Prot (kg) -11.44 -0.441 5.05
Fertility Sub Index 5.33
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) 1.53 1.117 1.71
Calving Sub Index -2.07
Gestation Length (days) 2.25 -0.919 -2.07
Beef Sub Index -2.85
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 5.63 -0.432 -2.43
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 21.75

* Based on an €80/tonne carbon price