Nghe An farmers build ponds and line them with tarpaulin to raise duckweed as pig feed.

Phuc - Thu - August 18, 2023 15:49
(Baonghean.vn) - Unlike keeping them in captivity and feeding them with industrial food, many farms in Nghe An choose to graze naturally, feeding wild boars with food available in gardens and ponds. They even build tanks and line them with tarpaulin to raise duckweed as food for the pigs.
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Mr. Nguyen Van Thanh dug a pond and lined it with tarpaulin to raise duckweed as food for wild boars. Photo: Thanh Phuc

With a farm scale of about 30-40 wild boars per litter, Mr. Nguyen Van Thanh (Hamlet 1, Quynh Vinh Commune, Hoang Mai Town) chooses duckweed and water fern as green food for pigs. Accordingly, in the garden, in addition to the 2-sao pond area for both raising water fern and snails, to facilitate the collection of water fern, he also arranges 500m2lined pond for duckweed farming.

“The favorite food of wild boars is duckweed, especially duckweed, which is very suitable for piglets from birth to 2 months old. Two 500m2 duckweed ponds2, add mud, occasionally change the water and it will grow by itself, no need for seeds, no need for food for duckweed. Duckweed just needs to be scooped up, poured into a trough or mixed with rice bran, corn to ensure the pigs have enough nutrients. It saves both raising costs and cutting vegetables. At the same time, thanks to eating natural, clean food, the resistance of wild boars is also higher.

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Pigs raised on water fern, water fern, and duckweed have more fragrant and delicious meat. Photo: Thanh Phuc

With a farm of 6 hectares, raising 100 wild sows and crossbred wild boars, producing 2,000 pigs each year, Ms. Nguyen Kim Tien (Hoa Hieu ward, Thai Hoa town) sets aside 1 hectare of pond to grow water hyacinth, water fern and duckweed as feed for the pigs. Every day, the farm's 600 pigs (including sows and piglets) eat about 1-2 tons of water hyacinth.

Of the 6 regular workers on the farm, 2 specialize in collecting water hyacinth. The water hyacinth is collected from the pond, the roots are removed, cleaned and tied into neat bundles. Then, it is transferred to each subdivision, distributed according to the number of pigs and simply released into the pen for the pigs to eat.

“This is the main source of green, rough food for our pig farm. Taking advantage of and being proactive with the source saves a considerable amount of money. Water hyacinth is easy-going, grows and develops quickly and strongly, so if you scoop up one layer, you can immediately add another layer, so the pigs can eat it all year round.

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Workers prepare duckweed as food for the farm. Photo: Hoai Thu

Green food almost never needs to be bought; it also doesn’t need to be sliced ​​or ground, so it doesn’t take much effort. Pigs eat duckweed, guava leaves, loquat leaves, milkweed, eclipta, etc., so their resistance is better and their meat is more delicious,” said Ms. Nguyen Kim Tien, the farm owner.

In the harsh winter, to store food for pigs, she had workers scoop up tons of water hyacinth, after cleaning, put it in a chopper, and dry it. Then, weigh the ingredients and mix them in the following ratio: 100kg of wilted water hyacinth + 10kg of rice bran (corn flour, tapioca flour) + 0.5kg of salt. After 2 weeks, the fermented food is gradually fed to the pigs. "At the peak, when food prices are high and pig prices are low, using silage from water hyacinth helps the farm get through this difficult period, ensuring profitable farming," said Ms. Tien.

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The farm's main source of green food is water hyacinth. Photo: Thanh Phuc

To do the VAC model, Mr. Nguyen Van Manh (Na Duoi village, Mau Duc commune, Con Cuong district) chose wild boar and native black pig as specialties to develop the economy. Has a 2,000m2 fish pond2, he circled 200m2Raise water hyacinth to make green food for pigs. At the same time, take advantage of young acacia leaves when they are distributed to feed pigs.

Mr. Manh said: “With a scale of 40 wild boars and native black pigs, the output is quite stable, the price is always at 140,000 VND - 170,000 VND/kg, the economic efficiency is many times higher than other livestock. In particular, taking advantage of available green food sources saves on raising costs, the pork has little fat, is firm, so it is very popular in the market”.

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Mr. Manh's wild boars really like to eat young acacia leaves. Photo: Thanh Phuc

Currently, the trend of clean and natural livestock farming, especially specialty livestock such as wild boar and native black pig, is favored by the market. Therefore, many households, farms and ranches are interested in utilizing agricultural by-products as animal feed, not depending on industrial feed, both saving costs and improving meat quality, increasing product prices.

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