Soybean Meal vs Rapeseed Meal: Vietnam Feed Buyer Sourcing Guide

Vietnam's compound feed industry consumed an estimated 27 million metric tons of total feed in 2025, with soybean meal serving as the dominant protein ingredient and approximately 65% of all feed raw materials sourced through imports. Against a backdrop of falling soybean meal prices, the IMF benchmark averaged USD 309/mt in 2025, down from USD 482/mt in 2023, and rising Indian rapeseed meal availability at around USD 200/mt FOB, Vietnam's feed formulators face a genuine sourcing decision: hold soybean meal as the primary protein, or expand rapeseed meal inclusion to reduce ingredient cost per formulated tonne.

This article maps the nutritional, logistical, and procurement dimensions of that decision across Vietnam's three primary production sectors: poultry, swine, and aquaculture.

Why Soybean Meal Dominates Vietnam's Feed Ingredient Matrix

Soybean meal's position in Vietnam's feed industry rests on three structural advantages that rapeseed meal does not replicate in full: protein concentration, lysine availability, and supply volume.

Dehulled solvent extracted soybean meal carries 44 to 48% crude protein, compared to 35 to 40% for solvent extracted rapeseed (canola) meal. More important than crude protein is the amino acid profile. Soybean meal delivers a higher concentration of lysine, the first limiting amino acid in most poultry and swine diets, at approximately 2.9 to 3.1% on a dry matter basis, versus 2.0% for rapeseed meal. Standardized ileal digestibility of lysine is also higher in soybean meal (approximately 88 to 90%) compared to rapeseed meal (approximately 70 to 75%), meaning formulators need to add supplemental synthetic lysine to compensate when increasing rapeseed meal inclusion rates.

Vietnam imported approximately 5.9 million metric tons of soybean meal in MY 2023/24, of which 2.88 million mt came from the United States, with Argentina and Brazil supplying the bulk of the remainder. In MY 2025/26, USDA projects total soybean meal demand in Vietnam to reach 7.6 million mt, driven by a planned poultry flock expansion to 600 million birds and a target hog population of 31.5 million heads. No single origin of rapeseed meal can match this volume requirement, and no formulation substitutes rapeseed meal on a one for one protein basis in high intensity monogastric rations.

The Vietnamese government reinforced soybean meal's supply chain priority in two consecutive tariff decisions: Decree 144/2024/ND-CP in December 2024 reduced the MFN tariff from 2% to 1%, and Decree 73/2025/ND-CP in March 2025 eliminated the MFN tariff to 0%. These moves lowered landed cost for non-FTA origins, including the United States, and signal that soybean meal supply security is a policy level priority, not merely a commercial preference.

Where Rapeseed Meal Fits in Vietnam's Feed Procurement

Rapeseed meal enters Vietnam's feed formulation as a cost reduction lever in ruminant and swine rations, not as a direct substitute in poultry or intensive aquaculture diets.

Vietnam imported approximately 210,000 to 250,000 mt of rapeseed meal per year in MY 2024/25 and MY 2025/26, according to USDA FAS estimates. India supplies the majority of this volume. Indian rapeseed meal, marketed in international trade as rapeseed DOC (decorticated oilcake) or mustard meal, is priced at approximately USD 200 to 210/mt FOB as of mid-2025, against soybean meal CFR Southeast Asia in the USD 300 to 320/mt range. The discount to soybean meal is real, but the cost calculation must be adjusted for protein yield per tonne and the cost of synthetic amino acid supplementation required to balance the diet.

The principal anti nutritional factor in rapeseed meal is glucosinolates, sulfur containing compounds that impair thyroid function and reduce feed intake in monogastric species when inclusion rates exceed safe thresholds. Modern "double low" or "00" rapeseed varieties, the basis for Canadian canola and European certified rapeseed, carry glucosinolate concentrations below 30 micromoles per gram, which is generally manageable at moderate inclusion rates. Indian mustard derived meal, the predominant supply source for Vietnam, contains higher glucosinolate levels than Canadian canola meal, which constrains the maximum recommended inclusion rate in swine and poultry rations and makes it less suitable for intensive broiler finishing diets.

Vietnam's rapeseed meal import volumes remain roughly one twenty-fifth the size of soybean meal consumption, reflecting this formulation constraint. Feed mills operating CP Vietnam, GreenFeed, CJ, and New Hope production lines use rapeseed meal as a partial protein supplement, primarily in layer, ruminant, and grow-finish swine diets, rather than as a base protein in fast growth broiler or pangasius aquafeed formulas.

Protein and Amino Acid Comparison: What the Specifications Actually Mean for Formulation

The nutritional gap between soybean meal and rapeseed meal is not captured by crude protein alone. The digestibility and amino acid balance differences have direct cost consequences for feed mill formulators.

Rapeseed meal's relatively stronger methionine and cysteine profile offers one genuine formulation advantage. In rations where sulfur amino acids are the limiting constraint rather than lysine, partial rapeseed meal inclusion can reduce the requirement for synthetic DL-methionine, partially offsetting the cost of supplemental lysine. This is most relevant in layer diets and ruminant finishing rations, where methionine demand is proportionally higher and lysine is less acutely limiting.

Feed formulators in Vietnam replacing 5% of soybean meal with rapeseed meal in a broiler grower diet should assume a lysine deficit of approximately 0.09 to 0.12 percentage points per unit of SBM replaced, which requires supplemental L-lysine HCl addition to maintain diet specifications. At current synthetic lysine prices, the net cost saving from rapeseed meal substitution in a broiler diet narrows significantly compared to the raw ingredient price spread.

Supply Origins, Trade Routes, and Logistics to Vietnam

The sourcing logistics for the two meals are structurally different, reflecting the geographic concentration of their respective production bases.

Soybean Meal into Vietnam: South American and U.S. Origins via Bulk Vessel

Argentina exports soybean meal from its crushing complex concentrated in the Rosario-San Lorenzo corridor along the Paraná River, the largest oilseed crushing cluster in the world by export volume. Brazilian meal ships primarily from the Port of Paranaguá and the Port of Santos. U.S. meal moves from Gulf Coast export terminals in New Orleans and Baton Rouge. From all three origins, soybean meal travels to Vietnam on bulk carriers, typically Handysize or Supramax vessels of 25,000 to 55,000 mt capacity, through the Strait of Malacca into Ho Chi Minh City's Cai Mep terminals or Da Nang's port facilities. Transit time from U.S. Gulf to Vietnam runs approximately 25 to 35 days; from Paranaguá, 28 to 40 days depending on routing and congestion.

Vietnam's domestic crushing capacity is expanding and will partially shift sourcing dynamics. USDA projects domestic soybean meal production increasing from 1.3 million mt in MY 2024/25 to 1.6 million mt in MY 2025/26, as additional crushing lines come online in southern Vietnam. This will reduce Vietnam's direct soybean meal imports while increasing whole soybean imports for domestic processing, a structural shift that does not reduce the total soybean supply requirement but changes its form.

Rapeseed Meal into Vietnam: Indian Origin via Containerized Bulk

India is Vietnam's largest rapeseed meal supplier, and virtually all rapeseed meal arriving in Vietnam does so by container, either loose in 20 foot containers or in PP bags, rather than by bulk vessel. Indian rapeseed meal exports ship from Kandla, Mundra, and Chennai ports. Transit time from India to Ho Chi Minh City averages 10 to 15 days, considerably shorter than South American soybean meal origins.

The container based logistics structure gives rapeseed meal a flexibility advantage. Buyers can take smaller parcels (200 to 500 mt per container lot) rather than committing to minimum bulk vessel parcels of 3,000 to 10,000 mt. This is a meaningful practical advantage for feed mills with limited storage capacity or those managing multiple protein blends across different production lines.

However, Indian rapeseed meal supply to Vietnam faces a new competitive pressure as of 2025. China's imposition of a 100% retaliatory tariff on Canadian rapeseed meal in March 2025 redirected Chinese import demand sharply toward India, with monthly Chinese purchases of Indian rapeseed meal reaching 50,000+ mt, four times the full year 2024 volume. This Chinese demand surge depressed Indian FOB prices to approximately USD 200/mt from USD 248/mt in February 2025, benefiting Vietnamese buyers in the near term, but also creates a competing demand pull that could tighten Indian availability and reverse the price decline if China's purchases are sustained.

Feed procurement teams in Vietnam sourcing rapeseed meal from India should treat this China driven demand variable as a near term supply risk and build 30 to 45 day forward coverage rather than operating on a spot only basis.

Price Comparison and Cost Per Protein Calculation for Vietnam Buyers

The price advantage of rapeseed meal over soybean meal is real but smaller on a protein adjusted basis than the headline USD/mt spread suggests.

At a 10% rapeseed meal inclusion rate in a standard swine grow-finish diet, the ingredient cost saving versus 100% soybean meal sourcing narrows to approximately USD 30 to 55/mt of diet, meaningful but not transformative. At 5% inclusion in a broiler grower diet, the saving is smaller still, typically USD 10 to 20/mt of diet after accounting for lysine supplementation and slightly lower feed conversion performance.

Rapeseed meal's cost case is strongest in layer and ruminant rations, where inclusion rates can reach 10 to 15% without significant performance penalties and where methionine recovery offsets part of the synthetic amino acid supplementation cost.

Supply Risk Comparison: Soybean Meal vs. Rapeseed Meal for Vietnam Buyers

The concentration risk in soybean meal is structural. Brazil, Argentina, and the United States collectively represent approximately 80% of global export volume, and any two country weather event in South America, as occurred during the 2021/22 La Nina drought, which stripped approximately 20 million mt from the Argentine soybean harvest, compresses export availability and drives CFR Southeast Asia prices sharply higher. Vietnam's feed mill operators experienced this directly in 2022 to 2023 when soybean meal prices exceeded USD 480/mt.

The rapeseed meal risk profile in 2025 is shaped by a different concentration problem. India is the overwhelmingly dominant supplier to Vietnam, and Chinese demand is now competing for the same Indian origin. A sustained Chinese purchase program, if China maintains 50,000 mt/month of Indian rapeseed meal imports through 2025/26, would reduce the Indian export surplus available to Vietnam and Thailand, potentially pushing Vietnamese CFR prices back toward USD 240 to 260/mt.

Feed procurement teams managing both ingredients should maintain at minimum a 45 day inventory buffer on soybean meal, given its 28 to 40 day origin to port transit from South America, and a 30 day buffer on rapeseed meal given the shorter India corridor but higher near term demand volatility.

Vietnam's feed mills sourcing rapeseed meal from India should request third party quality testing for glucosinolate concentration on each cargo lot, particularly for product destined for broiler or intensive swine rations. Glucosinolate variability between Indian rapeseed crushing facilities is higher than for Canadian canola meal, and without shipment specific verification, inclusion rate assumptions built into feed formulas may not match actual product specifications.

Procurement teams at Vietnam's major integrated feed operations sourcing both soybean meal and rapeseed meal across multiple origins benefit from working with a single logistics capable distributor able to consolidate documentation, certificates of analysis, and multi origin supply coordination. Tradeasia International, a Singapore headquartered global chemical and agricultural commodities distributor with over 20 years of supply chain experience, supplies both soybean meal and rapeseed meal to feed manufacturers across Southeast Asia, including Vietnam, with origin specific COA documentation, multi origin sourcing capability, and regional logistics support through its network across Singapore, India, and China. Feed mills assessing dual meal procurement can contact Tradeasia International for grade specific product specifications and volume pricing.

How Vietnam Feed Buyers Should Structure a Dual Meal Procurement Strategy

The optimal sourcing posture for most Vietnam feed manufacturers is not soybean meal or rapeseed meal. It is a managed blend that uses rapeseed meal as a cost lever within defined species specific inclusion limits.

Poultry (Broiler and Layer) Operations

Soybean meal should remain the primary protein ingredient. Rapeseed meal inclusion above 5 to 8% in broiler grower diets carries performance risk without sufficient cost justification at current price spreads. Layer diets can tolerate 8 to 12% rapeseed meal inclusion with appropriate methionine monitoring. Canadian canola meal, if sourced when price competitive, offers a lower glucosinolate profile than Indian mustard meal and is preferred for intensive layer operations.

Swine (Grow-Finish) Operations

Rapeseed meal inclusion of 10 to 15% in grow-finish rations is commercially established in Southeast Asian swine production and can be maintained without material performance loss where glucosinolate levels in the sourced product are confirmed below 30 micromol/g. Farms sourcing Indian mustard meal should test each cargo and set a conservative 8 to 10% inclusion ceiling until consistent quality is established with a given supplier.

Aquaculture (Pangasius, Shrimp)

Soybean meal is the established protein base and should not be displaced by rapeseed meal in intensive aquafeed formulas. The glucosinolate sensitivity of farmed fish species and the feed conversion precision required in commercial aquaculture production make rapeseed meal a high risk substitution without species specific feeding trials.

Contract Structure

Given that Vietnam now imports soybean meal at 0% MFN tariff and domestic crushing capacity is expanding, feed mills with sufficient storage can consider semi annual term contracts for soybean meal at fixed or index linked CFR prices to reduce spot market exposure. Rapeseed meal, given its shorter India to Vietnam transit and smaller parcel flexibility, is better suited to rolling quarterly or monthly procurement with a 30 day forward coverage position rather than extended term contracts.

Vietnam's feed industry is projected to reach 33 million mt of total production by 2030 against domestic supply capacity covering approximately 70% of demand, a structural import dependency that will persist regardless of domestic protein production expansion. Feed manufacturers that build diversified meal procurement strategies now, rather than single source soybean meal dependency, will be better positioned to manage price spikes on either ingredient as global trade flows continue to shift.

Tradeasia International supports feed ingredient procurement across Southeast Asia with multi origin sourcing for both soybean meal and rapeseed meal, grade specific documentation including origin certificates and phytosanitary certificates, and regional distribution capability serving buyers in Vietnam through its Singapore and regional office network. Feed manufacturers and trading companies in Vietnam managing high volume meal procurement can contact Tradeasia International for product specifications, shipment scheduling, and volume pricing across both U.S./South American soybean meal origins and Indian rapeseed meal.