In the sentence given, it is a gerund and not an infinitive phrase. The complete gerund phrase in the sentence is "jumping rope". The gerund is the word "jumping". A gerund is a word that takes the -ing form of the verb, but functions as a noun. This gerund phrase is used as the subject of the sentence.
Idk what type of change your talking about but here are both versions.
Money (Change) : Change is something that you can spend at the store, basically a currency, its normally used to pay taxes
Character Change: A change in personality, motivation, etc.
Answer:
Livestock management involves managing farm animals and supervising farm workers. Livestock management requires knowledge of animal science and animal husbandry, as well as good business sense. Many livestock managers must also keep financial records for their operations. Depending on the size of the farm, managers may perform some physical tasks like operating and maintaining machinery, as well as personally attending to the livestock. Dairy farms,cattle ranches, swine operations, and poultry farms all require effective livestock management to be successful and profitable.
Explanation: