The 0.99 in Metro could be too fat, check it out! Loblaw + IGA ~ lean or medium @$1.29, not sure quality.
Most likely all the above would has a sticker saying ~ (may include) previously frozen meat. Defrosted meat are not supposed to be refrozen, bateria grew when it was defrosted the first time! Make your own judgement.
By the way, how do anyone make sausages, Chinese styles?