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As a calf, it is fed 100 kg of feed in a creep feeder:
60 kg barley
14 kg soya
23.5 kg sugar beet

growing steer (for 100 days) ratio:
350 kg barley
30 kg rapeseed

finishing steer (for 80 days)
600 kg barley

TOTAL feed per steer:
1010 kg barley
30 kg rapeseed
14 kg soya
23.5 kg sugar beet

Source: AHDB

Pesticide figure based on yearly application of pesticides on barley in 2018 (based on application to 0.17 ha that would produce 1 tonne of barley):

spring and winter barley were mixed in equal ratio for simplicity.
Pesticides in spring barley:
157.5 g
Pesticides in winter barley:
307.5 g

TOTAL 465 g of pesticides = to litres it is about 465 ml of pesticides per year.

Source: Pesticides usage survey 284 for arable crops in the United Kingdom 2018 (National Statistics)

Fertilizer figure (based on application to 0.17 ha that would produce 1 tonne of barley):
nitrogen: 24.14 kg
phosphate: 4.59 kg
potash: 5.95 kg
sulfur: 5.95 kg

TOTAL 40.63 kg of fertilizers

Source: British survey of fertilizer practice for 2018 (DEFRA)