You might use digital tools, or it might be hand drawn, or created another way. For inspirations, check out this website: Information is Beautiful .
The emphasis is on data analysis and communication: an expert knowledge of farm animals is not required! If you would like to know more, some jargon is explained below, or the experts at Orkney Mart will answer questions sent to email@example.com from a school e-mail.
Some useful terminologies:
Heifer: Cow that has not calved; OTM: Over Thirty Months; Steer: young neutered male cattle; Prime: ready for slaughter; Store: for keeping and feeding
Codes for breeds of cattle:
AA: Aberdeen Angus; SH: Shorthorn; BB: Belgian Blue; LIM: Limousin; CH: Charolais and SA: Salers
See also: Official cattle breeds and codes – GOV.UK (www.gov.uk)