The poem includes neoclassical elements such as elevated language and heroic couplets. The line "Fair Freedom now her ensigns bright displays" is an example of the elevated style of the poem. The poem also expresses a political (nationalistic) point of view, and its subject is a desirable human state in the future.
A typical ration for a 1000 lb horse might consist of free access to top quality hay, preferably a straight grass or grass/alfalfa mix or pasture, plus 2 to 8 lbs of a feed designed for old horses, plus free choice water and salt. Avoid straight alfalfa.
I do not believe you would capitalize "golden retriever" . Yes it's a noun , but only proper nouns are capitalized .