新年あけましておめでとうございます！
昨年はみなさんには大変お世話になりました！
今年もよろしくお願いします！

豚はイノシシを家畜化したものなのでこれでもいいでしょうと！(笑)

A very Happy New Year! I was very much obliged to everyone last year! I look forward to your support this year as well!

Pigs are domesticated boars, so this works too! :-)