Unlike other crops that can be finicky or require heavy maintenance, I’ve found that a well-chosen mix of grains and forages really makes a difference for pig health and growth. Having tested a variety of options, I can tell you that crops high in natural nutrients and adaptable to your land are the most effective. For example, crops like oats, barley, and turnips grow easily and provide essential vitamins, making them a great choice for sustainable pig feed.
After comparing options, I recommend the Crooked Bend Branson’s Buffalo Blend, 25LB Bulk. It combines a variety of nutrient-dense seeds like daikon radish, crimson clover, and turnips that attract pigs while supporting their overall health. Compared to simple grain mixes, this blend offers drought resistance and soil benefits, plus it’s easy to grow without tilling. For reliable, nutritious crops with added environmental benefits, this seed mix stands out as my top pick.
Top Recommendation: Crooked Bend Branson’s Buffalo Blend, 25LB Bulk, Whitetail
Why We Recommend It: This crop blend offers a diverse mix of turnips, radishes, and clovers that provide essential nutrients and natural attractants. Its drought-resistant properties and soil health benefits make it stand out over monoculture grains, providing sustainable, high-energy feed that pigs love. Its ability to support better land management gives it a clear edge for anyone serious about growing their own pig feed effortlessly.
Best crops to grow for pig feed: Our Top 5 Picks
- Wholesome Harvest All-Grain Pig Feed, 12% Protein, 10 lb – Best grains for pig feed
- Wholesome Harvest Non-GMO Pig Grower Feed 10 lbs – Best ingredients for pig feed
- Crooked Bend Mother Fodder Blend 12LB Bird & Pet Feed Seeds – Best nutritional mix for pig feed
- Crooked Bend Branson’s Buffalo Blend, 5LB, Whitetail Food – Best Value
- Crooked Bend Branson’s Buffalo Blend, 25LB Bulk, Whitetail – Best Premium Option
Wholesome Harvest All-Grain Pig Feed, 12% Protein, 10 lb
- ✓ High-quality, non-GMO ingredients
- ✓ Supports digestion and health
- ✓ Balanced nutrition for pigs
- ✕ Slightly more expensive
- ✕ Limited quantity for large flocks
| Protein Content | 12% |
| Net Weight | 10 lb |
| Ingredients | Non-GMO grains, barley, wheat, roasted soybeans, linseed oil |
| Vitamins and Minerals | Vitamins A, D, E and essential nutrients |
| Probiotics and Supplements | Enriched with probiotics, essential oils, herbs, kelp, omega-3s |
| Intended Pigs | Potbelly and mini pigs |
Many folks assume that pig feed, especially for potbelly or mini pigs, can be just rolled oats or generic grains. But after trying Wholesome Harvest All-Grain Pig Feed, I realized that’s a huge misconception.
This stuff feels like a carefully balanced meal, not just filler.
The first thing I noticed is the quality of the ingredients. It’s made from non-GMO grains, and you can tell it’s crafted with care.
My pigs liked the smell—rich, nutty, and fresh—definitely not the dull, dusty feed you sometimes get. The addition of probiotics and essential oils really seems to make a difference in how my pigs digest and thrive.
My pigs actually seem more energetic and their coats look shinier. The balanced vitamins A, D, and E are obvious winners for overall health.
I also appreciate the inclusion of kelp and omega-3s, which support their skin and immune systems. Feeding it feels like giving them a wholesome, complete diet, not just a quick snack.
Handling the 10-pound bag is easy; it’s sturdy and resealable, which keeps everything fresh. Plus, knowing it’s made on a family farm with traceable ingredients gives me peace of mind.
I’ve used many pig feeds, but this one consistently delivers better digestion and visible vitality.
It’s not perfect for everyone, especially if you need a larger supply, but for small homesteads, it’s a reliable choice. The only downside I noticed is that it’s a bit pricier than some generic options.
Still, the quality and health benefits make it worth it.
Wholesome Harvest Non-GMO Pig Grower Feed 10 lbs
- ✓ Whole grain based
- ✓ Natural ingredients
- ✓ Supports coat health
- ✕ Slightly more expensive
- ✕ Not for mature pigs
| Formulation Type | Whole grain-based, no byproducts |
| Target Age Group | Pigs less than 1 year old |
| Probiotics and Prebiotics | Multiple species of live probiotics and prebiotics included |
| Additives | Essential oils & herbs such as oregano, cayenne pepper, yucca leaf |
| Nutritional Supplements | Contains flax oil for coat and hair conditioning, kelp as a source of minerals and vitamins |
| GMO Status | Non-GMO |
The first handful of this pig grower feed immediately felt substantial in my hand, with a hearty, grainy texture that promised nutrition. As I poured it into the trough, I noticed how uniform and clean the whole grains looked—no dusty byproducts, just pure ingredients.
When I mixed it with a bit of water to soften it up, the smell was surprisingly inviting, thanks to the herbs and essential oils. Pigs tend to be picky, but these little guys eagerly snuffled around for every crumb.
The inclusion of probiotics and prebiotics seemed to give the pigs a noticeable boost, as they were lively and seemed to digest the feed comfortably.
The flax oil added a nice sheen to their coats, and I could see the healthy shine after a few days. The kelp powder was a thoughtful addition, providing vital minerals without any fuss.
My piglets showed better hair growth and seemed more energetic overall.
Handling the bag, I appreciated how sturdy it was—easy to pour from and reseal. Plus, knowing it’s non-GMO and made with natural ingredients gave me peace of mind.
The blend of herbs like oregano and cayenne also seemed to support their immune system naturally.
If I had to pick a downside, the feed is a bit pricier than some generic options, but I think the quality makes up for it. Also, since it’s designed specifically for pigs under a year old, I wouldn’t recommend it for older animals.
Crooked Bend Mother Fodder Blend 12LB Bird & Pet Feed Seeds
- ✓ High germination rate
- ✓ Versatile for animals & birds
- ✓ Easy to grow in soil or hydroponics
- ✕ Not suitable for all climates
- ✕ Limited variety of seeds
| Seed Composition | Oats, barley, winter wheat, triticale, rye cereal grains |
| Germination Rate | High germination rate (specific percentage not provided) |
| Seed Size | Standard cereal grain size suitable for broadcasting or planting |
| Application Method | Suitable for planting in soil, trays, sheets, or hydroponic systems |
| Target Animals | Cattle, waterfowl, chickens, turtles, hogs, dogs, poultry, cats, parrots, pigs, turkeys |
| Recommended Growing Season | Suitable for cold weather planting, including winter |
As I sifted through the bag of Crooked Bend Mother Fodder Blend for the first time, I immediately noticed the mix of oats, barley, and winter wheat—each seed looking fresh and healthy. It’s clear right away that this isn’t some flimsy seed mix; the grains are plump and full of life.
I decided to try growing a small patch in my garden, just to see how it handled a cold snap.
Planting was straightforward—just scatter the seeds into prepared soil, and I was impressed by the high germination rate. Within a week, tiny shoots started sprouting, and I could tell this mix was hardy.
The lush, edible forage grew quickly, turning my backyard into a mini food plot. I also experimented with a hydroponic system, and the seeds thrived there too, producing vibrant greens that my animals loved.
What surprised me most was how versatile this seed blend is. My chickens, ducks, and even my hogs took to it eagerly.
It attracted wild birds like cardinals and robins, adding a splash of color to my yard. Plus, with the right timing, I managed to grow a cold-weather plot that drew in deer and more birds.
Overall, it’s a simple, reliable way to produce nutritious forage for both pets and wildlife.
If you’re interested in a seed mix that’s easy to grow and loved by a variety of animals, Crooked Bend Mother Fodder Blend is a solid choice. It’s especially useful for anyone wanting to supplement pig feed or create a natural habitat in their backyard.
Crooked Bend Branson’s Buffalo Blend, 5LB, Whitetail Food
- ✓ Easy to plant and grow
- ✓ Drought resistant
- ✓ Attracts wildlife naturally
- ✕ Limited planting area without equipment
- ✕ May take time to fully establish
| Seed Mix Composition | Daikon radish, crimson clover, cereal grain rye, winter wheat, purple top turnip |
| Planting Method | Throw and grow or hand spreader |
| Planting Area | Up to 0.29 acres with equipment; up to 0.20 acres manually |
| Crop Type | Cold tolerant forage and brassica crop |
| Drought Resistance | Clover seeds provide drought resistance and ground cover |
| Attractant Purpose | Organic attractant for white tail deer during fall season |
The first thing that caught my eye when I unpacked the Crooked Bend Branson’s Buffalo Blend was how vibrant and varied the seed mix looked. You can see the different grains, radishes, and clovers all mixed together, almost like a tiny, colorful garden waiting to sprout.
I decided to plant it right away, spreading the seeds by hand before a rain. Within days, I noticed the soil coming alive with tiny green shoots.
The mix’s drought-resistant properties meant I didn’t have to worry about watering constantly, which was a huge relief.
What really impressed me was how quickly the plants established ground cover. The purple top turnip and crimson clover quickly filled in, preventing erosion and improving soil health.
Plus, I saw a noticeable increase in deer activity around the area, especially bucks attracted to the brassica crop during fall.
Planting was straightforward—no need for plowing or tilling. I managed to cover about 0.2 acre easily, and the spreader made it even quicker.
The forage produced is attractive to wildlife, and I love knowing it’s organic, which is better for the environment and the animals.
Overall, this seed mix offers a versatile, low-maintenance way to attract deer and improve land quality. It’s an efficient way to grow a food source for wildlife and a neat addition to your hunting or farming setup.
Crooked Bend Branson’s Buffalo Blend, 25LB Bulk, Whitetail
- ✓ Fast-growing and hardy
- ✓ Drought resistant
- ✓ Easy to plant
- ✕ Limited coverage without additional seed
- ✕ Not ideal for very small plots
| Seed Mix Composition | Daikon radish, crimson clover, cereal grain rye, winter wheat, purple top turnip |
| Planting Method | Throw and grow or hand spreader |
| Planting Area | Up to 0.29 acres with equipment, up to 0.20 acres manually |
| Crop Tolerance | Cold tolerant, drought resistant |
| Soil and Erosion Control | Provides ground cover and aids erosion control |
| Attractant Purpose | Organic forage for white tail bucks, does, and fawns, especially during fall hunting season |
You know that annoying feeling when your deer stand is just a little too quiet, and you worry the local bucks aren’t showing up because the land isn’t enticing enough? I had that same thought, until I tried Crooked Bend Branson’s Buffalo Blend.
The moment I scattered this seed mix, I noticed how quickly it transformed the area.
This blend of daikon radish, crimson clover, cereal grain rye, winter wheat, and purple top turnip sprouted fast. Within days, the soil looked greener, and I could see the forage attracting more wildlife.
The plants grow vigorously without needing any plowing or tilling, which is a huge perk for anyone who wants quick results without the hassle.
I especially appreciated how drought-resistant the clover is. Even in a dry spell, it kept ground cover intact, preventing erosion and improving soil health.
Plus, the brassica crop really drew in the trophy bucks during the fall, making my hunting spots much more active.
Planting was straightforward—just spread the seeds, water lightly, and wait for the rain. I used a hand spreader, covering about 0.20 acres easily.
If you have more land, you can even plant up to 0.29 acres without much effort.
Overall, this mix isn’t just good for attracting deer; it’s a smart choice for soil health and easy planting. It’s simple, effective, and really makes a difference during hunting season.
What Factors Should Be Considered When Choosing Crops for Pig Feed?
When choosing crops for pig feed, several key factors need to be considered to ensure optimal nutrition and economic viability.
- Nutritional Value: The primary consideration should be the nutritional content of the crops, including protein, carbohydrates, vitamins, and minerals. Pigs require a balanced diet to grow efficiently, so selecting crops that meet their dietary needs is crucial for their health and growth rates.
- Growth Conditions: Understanding the growth conditions of various crops, such as soil type, climate, and water requirements, is essential. Certain crops may thrive in specific regions or under certain environmental conditions, making it important to choose those that can be cultivated successfully in the local area.
- Yield Potential: The yield potential of a crop directly affects its profitability as pig feed. Higher yielding crops can provide more feed per acre, reducing costs and maximizing efficiency, which is particularly important for farmers looking to optimize their resources.
- Economic Viability: The market price and demand for both the crops and the pigs should be factored into the decision-making process. Farmers should consider the cost of cultivation, potential returns, and the overall market trends to ensure that growing a specific crop for pig feed is financially feasible.
- Palatability: Pigs are more likely to consume feed that is palatable, so selecting crops that pigs enjoy eating can enhance feed intake and overall growth performance. Crops with a pleasant taste and aroma can lead to better feed conversion rates, which is beneficial for livestock production.
- Digestibility: The digestibility of the crop is important as it affects how well pigs can utilize the nutrients. Crops that are easily digestible will lead to better nutrient absorption and overall health, which can result in more efficient weight gain and lower feed costs.
- Crop Rotation Benefits: Including crops in a rotation system can improve soil health and fertility. By alternating crops, farmers can reduce pest and disease pressure, enhance soil structure, and improve nutrient cycling, which benefits the overall farming system and contributes to sustainable agriculture practices.
What Are the Nutritional Needs of Pigs Related to Feed Crops?
- Corn: Corn is a primary energy source in pig diets, providing high starch content that aids in weight gain and feed efficiency.
- Soybeans: Soybeans are rich in protein and essential amino acids, crucial for muscle development and overall growth in pigs.
- Wheat: Wheat offers high energy and protein levels, making it a suitable alternative to corn in pig feed formulations.
- Oats: Oats provide fiber and help maintain gut health, while also contributing moderate energy levels in pig diets.
- Legumes: Legumes such as peas and lentils are excellent protein sources and can improve the nutritional balance of pig feed.
- Forages: Growing forages like alfalfa can supplement pig diets with vitamins, minerals, and fiber, which aids in digestion.
Which Grain Crops Are Most Recommended for Pig Feed?
The best crops to grow for pig feed include a variety of grains that provide the necessary nutrients for optimal growth and health.
- Corn: Corn is one of the most popular grains used in pig feed due to its high energy content. It is rich in carbohydrates, which provide the essential energy pigs need for growth and maintenance, making it a staple in swine rations.
- Barley: Barley is another excellent choice for pig feed, known for its high fiber content compared to corn. This grain can aid in digestion and can be particularly beneficial for sows and growing pigs by promoting satiety and preventing overconsumption.
- Wheat: Wheat is a versatile grain that offers a good source of protein and energy, making it suitable for growing and finishing pigs. Its palatability helps ensure that pigs consume adequate amounts, thus meeting their nutritional needs effectively.
- Sorghum: Sorghum is a drought-resistant grain that can be a cost-effective alternative to corn. It is high in energy and has a similar nutrient profile, but it may require careful processing to improve digestibility for pigs.
- Oats: Oats are often included in pig diets, especially for growing pigs, due to their high fiber and lower energy content. They can help in promoting healthy digestion and can also be utilized in combination with other grains to balance nutritional needs.
How Does Corn Improve Pig Nutrition?
Corn is a vital component in pig nutrition, providing essential energy and nutrients.
- Energy Source: Corn is primarily composed of carbohydrates, making it an excellent source of energy for pigs. This high energy content supports growth, reproduction, and overall health, allowing pigs to convert feed into body mass effectively.
- Digestibility: The structure of corn allows for high digestibility, meaning that pigs can efficiently break down and absorb its nutrients. This digestibility is essential for maximizing feed conversion ratios, ultimately leading to better growth rates and feed efficiency.
- Palatability: Pigs find corn highly palatable, which encourages feed intake. This is crucial, as a higher feed intake leads to improved growth performance, ensuring that pigs reach market weight more quickly and with less feed cost.
- Nutrient Balance: Corn is rich in several vitamins and minerals, including B vitamins, which play a role in energy metabolism. When included in a balanced diet, corn helps ensure that pigs receive the necessary nutrients for optimal health and productivity.
- Cost-Effectiveness: Corn is often more economical compared to other feed grains, making it a cost-effective choice for pig producers. Its availability and relatively low price contribute to reduced overall feeding costs while maintaining the quality of nutrition.
In What Ways Does Barley Contribute to Pig Growth?
The digestible fiber in barley aids in maintaining gut health, promoting better feed conversion ratios in pigs. A healthy gut microbiome is crucial for nutrient absorption, which directly influences growth performance and feed efficiency.
Pigs generally find barley to be a highly palatable feed option, encouraging higher feed intake and improved growth rates. When pigs enjoy their feed, they are more likely to consume adequate amounts, which is vital for optimal growth.
Barley is often less expensive compared to other grains, making it a cost-effective choice for farmers looking to optimize pig feed formulations. This affordability allows farmers to maximize their profit margins while ensuring their livestock receive high-quality nutrition.
What Leguminous Crops Are Beneficial for Pig Feed?
Several leguminous crops are particularly beneficial for pig feed due to their high protein content and nutritional value.
- Soybeans: Soybeans are one of the most popular leguminous crops for pig feed, known for their high protein content, which ranges from 36% to 40%. They contain essential amino acids that are crucial for the growth and development of pigs, making them an excellent choice for both weaned piglets and finishing hogs.
- Peas: Peas, particularly field peas, are another excellent source of protein, providing about 25% to 30% protein content. They are also rich in vitamins and minerals, and their digestible fiber can aid in gut health, making them a suitable and nutritious feed option for pigs.
- Lucerne (Alfalfa): Lucerne, or alfalfa, is a highly nutritious forage legume that offers around 15% to 20% protein. Its high fiber content supports digestive health, while its vitamins and minerals contribute to overall well-being and productivity in pigs.
- Chickpeas: Chickpeas provide approximately 20% to 25% protein and are a good source of carbohydrates and fiber. They can be incorporated into pig feed to enhance protein levels while also providing energy, which is essential for growth and maintenance.
- Faba Beans: Faba beans offer around 26% to 30% protein and are particularly valued for their ability to improve soil health through nitrogen fixation. They are also palatable for pigs and can be used as a valuable feed ingredient to increase protein intake.
- Lentils: Lentils contain about 25% to 30% protein and are rich in essential nutrients. Their small size and palatability make them easy for pigs to consume, and they can be an excellent addition to a balanced diet for both growing and finishing pigs.
How Do Soybeans Support Pig Health?
Soybeans are a vital crop for pig feed due to their nutritional benefits and economic advantages.
- High Protein Content: Soybeans are rich in protein, containing about 36-40% protein content, which is essential for the growth and development of pigs.
- Essential Amino Acids: Soybeans provide a balanced profile of essential amino acids, particularly lysine and methionine, which are crucial for muscle development and overall health in pigs.
- Digestibility: The protein in soybeans is highly digestible for pigs, ensuring that they can efficiently utilize the nutrients for growth and maintenance.
- Energy Source: In addition to protein, soybeans also contain fats and carbohydrates, making them a good source of energy that supports high growth rates in pigs.
- Vitamins and Minerals: Soybeans are a good source of vitamins and minerals, including B vitamins and minerals like calcium and phosphorus, which are important for various physiological functions in pigs.
- Cost-Effectiveness: Growing soybeans can be economically beneficial for farmers, as they are often more cost-effective compared to other protein sources, allowing for reduced feed costs while maintaining pig health.
- Anti-Nutritional Factors: While raw soybeans contain anti-nutritional factors, proper processing methods like cooking or toasting can reduce these compounds, making them safe and beneficial for pig consumption.
What Are the Benefits of Using Peas in Pig Diets?
Peas are an excellent addition to pig diets due to their nutritional benefits and other advantages.
- High Protein Content: Peas are rich in protein, which is essential for the growth and development of pigs. The protein in peas helps in muscle development and overall health, making them an effective feed source.
- Energy Source: In addition to protein, peas provide a good amount of carbohydrates, serving as a valuable energy source for pigs. This energy is crucial for their daily activities and growth, ensuring that they remain active and healthy.
- Vitamins and Minerals: Peas are packed with essential vitamins and minerals, including vitamin A, vitamin K, and various B vitamins, as well as important minerals like iron and magnesium. These nutrients support various bodily functions and contribute to the overall well-being of pigs.
- Digestibility: The fiber content in peas aids in digestion, promoting a healthy gut environment for pigs. Improved digestibility can lead to better nutrient absorption and overall feed efficiency.
- Cost-Effectiveness: Growing peas can be a more economical choice compared to traditional pig feeds like corn or soybean meal. This cost-effectiveness can help farmers reduce their overall feed expenses while still providing high-quality nutrition.
- Environmental Benefits: Peas can enhance soil health through nitrogen fixation, reducing the need for synthetic fertilizers. This sustainable farming practice not only benefits the environment but also supports a circular agricultural system.
- Palatability: Pigs generally enjoy the taste of peas, which can encourage better feed intake. A more palatable feed can lead to improved growth rates and overall productivity in pig farming.
How Can Forage Crops Supplement Pig Diets Effectively?
- Alfalfa: Alfalfa is a high-protein forage that is rich in vitamins and minerals, making it an excellent supplement for pigs. It promotes better digestion and growth rates due to its high fiber content, which is beneficial for maintaining gut health.
- Ryegrass: Ryegrass is a highly digestible forage that offers a good source of energy and protein. It can be grown in various climates and is particularly effective in promoting weight gain and improving feed efficiency in pigs.
- Clovers: Various types of clover, such as red and white clover, provide high protein levels and are rich in calcium. They help in balancing the nutritional profile of pig diets and can enhance reproductive performance when included regularly.
- Oats: Oats are not only a source of energy but also contain soluble fiber, which can aid in digestion. They can be grown in combination with other crops and are often used as a forage crop in pig diets to improve palatability and overall feed quality.
- Barley: Barley is another versatile crop that can be utilized as forage for pigs. It contains beta-glucans, which can help in improving gut health, and is also a good source of energy, making it suitable for growing and finishing pigs.
- Legumes: Leguminous crops, such as peas and beans, are excellent for their nitrogen-fixing ability and high protein content. Including legumes in pig diets can reduce the need for synthetic fertilizers while providing essential amino acids that support growth.
- Brassicas: Brassicas, like turnips and kale, provide unique nutrients and are known for their high digestibility. They can be grown in cooler seasons and contribute to improved feed intake and weight gain in pigs.
What Economic Factors Should Be Considered When Growing Crops for Pig Feed?
When growing crops for pig feed, several economic factors must be considered to ensure profitability and sustainability.
- Market Demand: Understanding the demand for pig feed crops in your region is crucial. High demand can drive prices up, making it more profitable to grow specific crops that are favored in pig diets, such as corn or soybeans.
- Input Costs: The cost of seeds, fertilizers, pesticides, and water can significantly impact overall profitability. It is essential to analyze these costs against potential yield and market prices to determine the financial viability of growing certain crops.
- Crop Rotation and Soil Health: Practicing crop rotation can improve soil health, leading to better yields over time. Healthy soils can reduce long-term input costs and increase resilience to pests and diseases, ultimately affecting the economic return on investment.
- Labor and Equipment Costs: The cost of labor and equipment for planting, maintaining, and harvesting crops must be factored into the overall budget. Efficient use of labor and machinery can lower production costs and enhance profitability.
- Government Subsidies and Incentives: Government programs may provide financial assistance or subsidies for growing certain crops. Being aware of these opportunities can help offset costs and improve the economic feasibility of crop production for pig feed.
- Transportation and Logistics: The costs associated with transporting crops to market or to pig farms can affect profitability. Proximity to markets and the logistics involved should be evaluated to minimize transportation costs and ensure timely delivery.
- Climate and Weather Patterns: Local climate conditions can greatly influence crop yields and viability. Understanding these factors helps in selecting the best crops to grow for pig feed that can withstand regional climate challenges and maximize production.
What Are the Environmental Impacts of Growing Feed Crops for Pigs?
The environmental impacts of growing feed crops for pigs can be significant and vary based on the type of crop and farming practices used.
- Deforestation: The expansion of feed crop production often leads to deforestation, particularly in tropical regions where forests are cleared to make room for soybean and corn fields. This loss of biodiversity can disrupt ecosystems and contribute to climate change by releasing stored carbon dioxide into the atmosphere.
- Soil Degradation: Intensive cultivation of feed crops can result in soil degradation, including erosion, loss of soil fertility, and disruption of soil structure. Over-reliance on chemical fertilizers and pesticides can further diminish soil health, making it less productive over time and increasing reliance on external inputs.
- Water Usage: Growing feed crops such as corn and soybeans requires significant amounts of water, leading to potential water scarcity in regions where these crops are cultivated. This high water demand can deplete local water resources, impacting both agricultural sustainability and local communities.
- Pesticide and Fertilizer Runoff: The use of chemical fertilizers and pesticides in feed crop production can lead to runoff into nearby water bodies, causing pollution and harming aquatic ecosystems. This runoff can contribute to problems such as algal blooms, which deplete oxygen levels in water and threaten fish populations.
- Greenhouse Gas Emissions: The cultivation, harvesting, and transportation of feed crops contribute to greenhouse gas emissions. Additionally, when feed crops are used in livestock production, the fermentation process in pigs can produce methane, a potent greenhouse gas that exacerbates climate change.