Hog feed fertilizer formula

Pig feed formulas are essential for ensuring optimal growth and health in pigs. Below are the recommended feed formulations, along with trace elements and hormone applications:

1. Feed Formulas (percentages by weight):

Early Stage: Corn 25%, wheat bran 30%, soybean meal 10%, cottonseed cake 13%, rapeseed cake 15%, and fishmeal 5%. This mixture is ideal for young pigs to support early development.

Middle Stage: Corn 25%, sorghum 10%, wheat bran 20%, wolfberry cake 10%, soybean meal 11%, red beans 2%, vegetable cake 18%, and fishmeal 2%. This stage supports faster muscle and bone development.

Late Stage: Corn 50%, soybean meal 10%, wheat bran 6.5%, wolfberry cake 10%, red beans 3%, rapeseed cake 12%, blood meal 2%, and fishmeal 5%. This formula helps increase body weight efficiently during the finishing phase.

2. Trace Element Formula (per 100 pounds of feed):

This formula includes oxytetracycline 5g, copper sulfate 25g, ferrous sulfate 15g, zinc sulfate 10g, dry yeast 35g, calcium tablets 15g, cobalt sulfate 30mg, sodium selenite 5mg, and salt 500g. These ingredients should be mixed with water and combined with feed to form a moist mixture that can be molded without dripping. The mixture should then be fermented in heaps: below 15°C for 24 hours, 20°C for 12 hours, and above 30°C immediately. Feed the pigs 4-5 times daily. Always follow the upper limit and avoid increasing the dose without professional guidance. In summer, ensure enough drinking water as copper sulfate can cause heat stress.

3. Hormone Application:

1. Triacontanol: Use 3–5 ml of aqueous solution per day per pig. If using powder, follow the manufacturer's instructions.

2. 2920: Administer 3.1 grams per dose, once every three days. Discontinue use 40 days before slaughter.

Attachment: Experimental Formula from the Institute of Animal Husbandry, Shanghai Academy of Agricultural Sciences:

Early Stage: Corn 20%, wheat bran 2.25%, barley 15%, fishmeal 4.5%, cottonseed cake 3.5%, green sugar 4%, vegetables 50%, limestone 0.5%, salt 0.25%. This formula allows pigs to gain up to 483 grams daily.

Mid-Term: Corn 17.5%, wheat bran 5.25%, barley 12.5%, fishmeal 2%, cottonseed cake 3%, brown sugar 9%, dried vegetables 50%, limestone 0.5%, salt 0.25%. Pigs can gain up to 727 grams per day with this mix.

Late Stage: Corn 15%, wheat bran 4%, barley 10%, fishmeal 1%, cottonseed cake 1.75%, sucrose 17.5%, dried vegetables 50%, limestone 0.5%, salt 0.25%. This formula helps pigs gain up to 838 grams daily. These experimental formulas are based on scientific research and have been tested for effectiveness and safety in pig farming.

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