Watching your once-sprinting pup slow to a saunter is heart-tugging, but it’s also the moment nutrition becomes the most powerful lever you can pull. The right bowl of food won’t rewind the clock, yet it can lubricate creaky joints, re-fire metabolism, and keep that trademark tail-wag from turning into a reluctant wag-of-obligation. Blue Buffalo’s senior lines have become the default search term for owners who want “joint support” without prescription prices—so let’s unpack what those kibbles actually deliver in 2025, how to decode marketing from medicine, and which formulation details separate a genuinely vitality-boosting recipe from a bag of pretty pictures.
Before you click “add to cart,” arm yourself with the science that turns a pantry staple into a daily dose of youth. Below you’ll find a vet-approved roadmap for navigating life-stage claims, ingredient nuances, and feeding strategies so you can match your dog’s unique aches, weight, and palate to the blend that truly earns the blue buffalo logo.
Top 10 Blue Buffalo Senior Dog Food
Detailed Product Reviews
1. Blue Buffalo Life Protection Formula Natural Senior Dry Dog Food, Chicken and Brown Rice 5-lb Trial Size Bag
Overview: Blue Buffalo Life Protection Formula Natural Senior Dry Dog Food delivers targeted nutrition for aging dogs in a convenient 5-lb trial size. Featuring real chicken as the first ingredient, this premium formula addresses the unique needs of senior dogs while maintaining the brand’s commitment to natural ingredients.
What Makes It Stand Out: The inclusion of glucosamine and chondroitin specifically supports aging joints, while the proprietary LifeSource Bits provide a precise blend of antioxidants, vitamins, and minerals. The trial size bag allows pet owners to test their dog’s acceptance before committing to larger quantities.
Value for Money: At $3.00 per pound, this trial size offers excellent value for exploring premium senior nutrition without a significant upfront investment. The quality ingredients and targeted senior benefits justify the price point for health-conscious pet parents.
Strengths and Weaknesses: Strengths include real chicken as the primary ingredient, absence of common allergens like corn and wheat, and comprehensive joint support. The 5-lb size is perfect for small senior dogs or trial purposes. Weaknesses include the small bag size being impractical for larger breeds, and some dogs may need time to adjust to the LifeSource Bits texture.
Bottom Line: This trial size bag is an excellent introduction to premium senior dog nutrition. Perfect for small senior dogs or testing palatability before purchasing larger quantities, it delivers quality ingredients and targeted aging support that justify the investment in your dog’s golden years.
2. Blue Buffalo Homestyle Recipe Senior Wet Dog Food, Made with Natural Ingredients, Chicken Dinner with Garden Vegetables, 12.5-oz Cans (12 Count)
Overview: Blue Buffalo Homestyle Recipe Senior Wet Dog Food offers a protein-rich, chicken-based meal specifically formulated for aging dogs. This 12-count case provides moisture-rich nutrition that can be served alone, mixed with dry food, or used as an appetizing treat.
What Makes It Stand Out: The versatility of this wet food sets it apart – it functions as a complete meal, meal topper, or occasional treat. The inclusion of glucosamine and chondroitin in a wet format makes senior joint support more palatable for picky eaters or dogs with dental issues.
Value for Money: At $0.20 per ounce, this premium wet food represents solid value for senior-specific nutrition. The 12-can case provides nearly 10 pounds of food, making it competitively priced against other premium wet senior formulas.
Strengths and Weaknesses: Major strengths include the palatable chicken dinner formulation, grain-free recipe, and flexible feeding options that work for various senior dog needs. The wet format aids hydration and is easier to eat for dogs with dental problems. However, wet food requires refrigeration after opening and has a shorter shelf life than dry alternatives. Some owners might find the smell stronger than dry food.
Bottom Line: This versatile wet food excels for senior dogs needing joint support who prefer moist meals. Whether used as a complete diet or to entice picky eaters, it delivers quality nutrition with the convenience of canned feeding and the senior-specific benefits aging dogs require.
3. Blue Buffalo Life Protection Formula Small Breed Senior Dry Dog Food, Supports Joint Health and Immunity, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 5-lb Bag
Overview: Blue Buffalo Life Protection Formula Small Breed Senior Dry Dog Food tailors premium nutrition specifically for small senior dogs. This specialized formula addresses the unique metabolic needs and health concerns of aging small breeds while maintaining the brand’s natural ingredient philosophy.
What Makes It Stand Out: The kibble size and nutrient density are specifically optimized for small breed seniors, who typically live longer and face different aging challenges than larger dogs. The formula includes targeted levels of glucosamine and chondroitin appropriate for smaller joints.
Value for Money: At $3.40 per pound for the 5-lb bag, this represents a premium price point. However, small breed dogs eat less overall, making the cost per serving reasonable for the specialized nutrition provided.
Strengths and Weaknesses: The appropriately-sized kibble prevents choking hazards common with standard kibble for tiny mouths. The concentrated nutrition meets small breeds’ higher metabolic needs without overfeeding. LifeSource Bits provide immune support crucial for aging small dogs. The main drawback is the limited 5-lb size option, requiring frequent repurchases. The higher price per pound compared to standard senior formulas might deter budget-conscious owners.
Bottom Line: This breed-specific formula delivers exactly what small senior dogs need – concentrated nutrition in appropriate portions with joint support sized for little bodies. While pricier than generic senior foods, the targeted benefits justify the investment for devoted small breed owners.
4. Blue Buffalo Life Protection Formula Large Breed Senior Dry Dog Food, Promotes Joint Health and Immunity, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 30-lb. Bag
Overview: Blue Buffalo Life Protection Formula Large Breed Senior Dry Dog Food provides comprehensive nutrition for aging large dogs in an economical 30-lb bag. This formula addresses the specific joint, weight management, and longevity needs of bigger senior dogs while maintaining Blue Buffalo’s natural ingredient standards.
What Makes It Stand Out: The bulk packaging offers significant savings for large breed owners, while the formula includes optimal levels of glucosamine and chondroitin for maintaining large joint health. The calorie content is balanced to support healthy weight maintenance in less active senior dogs.
Value for Money: At $2.33 per pound, this represents the best value in Blue Buffalo’s senior line. The 30-lb bag provides approximately 120 cups of food, making the cost per serving highly competitive for premium large breed nutrition.
Strengths and Weaknesses: The excellent price per pound makes premium nutrition accessible for large breed owners. The formula includes appropriate levels of joint supplements for bigger dogs who typically experience more mobility issues. The large bag size reduces shopping frequency. However, the 30-lb bag requires proper storage to maintain freshness, and the initial investment might be steep despite the per-pound savings. Some large dogs may find the kibble size too small.
Bottom Line: This bulk option delivers exceptional value for large breed senior nutrition. The formula specifically addresses big dogs’ aging needs while the economical sizing makes premium feeding sustainable long-term. An excellent choice for owners committed to quality nutrition for their aging giants.
5. Blue Buffalo Freedom Grain-Free Senior Dry Dog Food, Provides Energy To Stay Active, Made in the USA with Natural Ingredients, Chicken & Potatoes, 24-lb Bag
Overview: Blue Buffalo Freedom Grain-Free Senior Dry Dog Food offers a grain-free alternative for senior dogs with food sensitivities or owners seeking alternative carbohydrate sources. This 24-lb bag provides energy-rich nutrition using chicken and potatoes as primary ingredients.
What Makes It Stand Out: The grain-free formulation appeals to dogs with grain sensitivities while still providing the energy senior dogs need through alternative carbohydrates like potatoes. This formula maintains Blue Buffalo’s senior-specific additions including glucosamine, chondroitin, and LifeSource Bits.
Value for Money: At $2.87 per pound, this grain-free option sits mid-range in Blue Buffalo’s senior pricing. The 24-lb bag offers a good balance between bulk savings and storage practicality for most households.
Strengths and Weaknesses: The grain-free recipe helps dogs with grain allergies or sensitivities maintain comfortable digestion in their senior years. The potato-based carbohydrates provide sustained energy without common allergens. The 24-lb size offers good value without being unwieldy to store. However, grain-free diets aren’t necessary for all dogs, and some seniors may actually benefit from the fiber in quality grains. The price premium over grain-inclusive formulas might not provide benefits for dogs without specific sensitivities.
Bottom Line: This grain-free senior formula serves dogs with demonstrated grain sensitivities well, providing complete senior nutrition without common allergens. While unnecessary for dogs without grain issues, it’s an excellent option for sensitive seniors who need joint support without digestive upset from grains.
6. Blue Buffalo Wilderness Senior High Protein Dry Dog Food Wholesome Grains with Ingredients Chicken
Overview: Blue Buffalo Wilderness Senior High-Protein Dry Dog Food delivers 24 pounds of grain-inclusive nutrition engineered for aging dogs. The formula centers on real chicken as the primary ingredient, complemented by whole grains and the brand’s signature LifeSource Bits—cold-formed nuggets rich in antioxidants, vitamins, and minerals.
What Makes It Stand Out: Unlike many senior kibbles that dilute protein, this recipe maintains a high-protein profile (34 % min) to help preserve lean muscle mass in older dogs. The inclusion of wholesome oats, barley, and brown rice provides sustained energy without the glycemic spikes associated with refined corn or wheat. LifeSource Bits remain separate during production, preserving heat-sensitive nutrients that standard extrusion can destroy.
Value for Money: At $2.87 per pound, the price sits mid-premium. Given the absence of poultry by-product meal, corn, wheat, or soy—and the addition of glucosamine for joint support—the cost aligns with ingredient quality and targeted senior benefits.
Strengths and Weaknesses: Strengths include named meat first, controlled ash content for kidney health, and visible LifeSource Bits that picky eaters often cherry-pick. Weaknesses: kibble size is fairly large for tiny senior jaws, and the 24-lb bag can lose freshness before small dogs finish it.
Bottom Line: A solid choice for medium-to-large senior dogs needing muscle maintenance and immune support. Rotate with wet food to enhance palatability and hydration.
7. Blue Buffalo Life Protection Formula Adult Dry Dog Food, Helps Build and Maintain Strong Muscles, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 15-lb. Bag
Overview: Blue Buffalo Life Protection Formula Adult Chicken & Brown Rice supplies 15 pounds of balanced everyday nutrition for grown dogs. Deboned chicken leads the ingredient list, followed by whole-ground grains, garden vegetables, and cranberries, all fortified with the antioxidant-rich LifeSource Bits.
What Makes It Stand Out: The recipe targets the “sweet spot” between protein density and caloric moderation—24 % protein and 14 % fat—helping active adults build muscle without unwanted weight gain. Brown rice and oatmeal offer gentle fiber for stable stools, while omega-3 & 6 fatty acids from flaxseed and fish meal promote a glossy coat.
Value for Money: Price is currently unlisted, but historical data places it around $2.20–$2.40 per pound. That positions it below Wilderness lines yet above grocery brands, making it an accessible entry into natural premium foods.
Strengths and Weaknesses: Pros include clear ingredient sourcing, moderate calcium levels safe for large breeds, and consistent kibble shape that works in automatic feeders. Cons: some dogs pick out the darker LifeSource Bits, and the 15-lb size may be too small for multi-dog households.
Bottom Line: A dependable, vet-recommended maintenance diet for adult dogs of all sizes. Ideal for owners seeking grain-inclusive nutrition without by-product fillers.
8. Blue Buffalo Wilderness Rocky Mountain Recipe Senior Wet Dog Food, High-Protein & Grain-Free, Made with Natural Ingredients, Red Meat Recipe, 12.5-oz. Cans (12 Count)
Overview: Blue Buffalo Wilderness Rocky Mountain Recipe Senior Wet Food arrives as a dozen 12.5-oz cans of grain-free, red-meat entrée tailored for aging dogs. Real beef tops the ingredient panel, followed by beef broth, lamb, and venison to create a nutrient-dense, highly aromatic pâté.
What Makes It Stand Out: The formula omits both chicken and grains—two common triggers for senior dogs with emerging food sensitivities. Added taurine supports cardiac health, while controlled phosphorus levels help aging kidneys. The smooth loaf texture is easy to chew for dogs with dental issues.
Value for Money: Price is not displayed, but multipack cans typically run $3–$3.50 each. Given 38 % crude protein and the use of novel red meats, the cost per calorie is reasonable within the premium wet category.
Strengths and Weaknesses: Strengths include high palatability, grain-free simplicity, and convenient pull-tab lids. Weaknesses: the pâté can be dense—some users need to add warm water for easier serving—and the lack of chicken-free dry counterpart means rotating within the Wilderness line requires label scrutiny.
Bottom Line: Excellent topper or standalone meal for senior dogs craving red-meat flavor while avoiding chicken and grains. Stock up during auto-ship promotions to offset price.
9. Blue Buffalo Homestyle Recipe Adult Wet Dog Food, Made with Natural Ingredients, Chicken and Beef Dinner Variety Pack, 12.5-oz Cans (6 Count, 3 of each)
Overview: Blue Buffalo Homestyle Recipe Adult Variety Pack offers six 12.5-oz cans—three chicken dinner and three beef dinner—crafted for adult maintenance. Each formula starts with real meat simmered in broth with carrots, sweet potatoes, and peas, then enhanced with vitamins and minerals.
What Makes It Stand Out: The dual-flavor bundle combats flavor fatigue, letting owners rotate proteins without committing to a case of one recipe. The stew-style texture features visible meat chunks and veggies, appealing to picky eaters who reject uniform pâtés. All recipes remain free of by-product meals, corn, wheat, and soy.
Value for Money: At $17.58 for 75 oz, the cost is $0.23 per ounce—roughly mid-range for supermarket premium wet food. Because each can delivers complete nutrition, the pack doubles as meal, mixer, or treat, stretching value across multiple feeding strategies.
Strengths and Weaknesses: Pros include easy-open lids, balanced calcium-phosphorus ratios suitable for all breeds, and appetizing aroma that entices reluctant eaters. Cons: gravy thickness varies slightly by batch, and the 6-count sleeve disappears quickly for larger dogs.
Bottom Line: A convenient, wallet-friendly sampler for owners wanting to spice up dry kibble or feed smaller dogs portion-appropriate cans. Refrigerate leftovers promptly to maintain freshness.
10. Blue Buffalo Wilderness Rocky Mountain Recipe High Protein, Natural Senior Dry Dog Food, Red Meat with Grain 28 lb Bag
Overview: Blue Buffalo Wilderness Rocky Mountain Recipe Senior Red Meat Dry Food packs 28 pounds of high-protein, grain-inclusive kibble centered on deboned beef, lamb, and venison. Wholesome oatmeal, barley, and brown rice supply steady energy, while LifeSource Bits deliver targeted antioxidants for immune aging support.
What Makes It Stand Out: The formula satisfies ancestral cravings with 30 % protein from multiple red-meat sources, yet controls fat at 12 % to prevent senior weight gain. Added glucosamine (400 mg/kg) and taurine address joint and heart health—common concerns in aging canines. The 28-lb bulk bag includes a Velcro-style seal to preserve freshness longer than standard tear-strip bags.
Value for Money: At $3.21 per pound, this is among Blue’s priciest dry foods; however, the specialized protein blend, joint supplements, and larger bag size reduce cost per feeding compared with smaller premium bags.
Strengths and Weaknesses: Strengths include novel protein diversity, controlled sodium for cardiac patients, and low dust residue in the bag. Weaknesses: strong red-meat aroma may be off-putting indoors, and kibble density requires adequate water intake to prevent constipation.
Bottom Line: Best suited for medium-to-large senior dogs that thrive on red meat and need joint support. Transition gradually over 10 days to avoid gastric upset from the richer protein spectrum.
Why Joint Health Becomes the North-Star Nutrient After Age Seven
Cartilage stops regenerating as fast, synovial fluid thins, and micro-inflammation sets up camp in hips, elbows, and lower spine. The result: stiffness after naps, hesitation on stairs, and a drop in total daily activity that cascades into muscle loss and weight gain. Foods engineered for seniors front-load the building blocks that slow—or even partially reverse—this cycle.
The Blue Buffalo Philosophy: From Marketing Buzz to Nutritional Benchmark
“True Blue Promise” touts real meat first, no poultry by-product meals, and no artificial flavors or preservatives. But the senior-specific SKUs layer on a second promise: therapeutic-level joint actives (glucosamine, chondroitin, EPA/DHA) plus geriatric micronutrient densities (more B-12, less phosphorus, adjusted sodium). Understanding how those pledges are audited—and how they compare with WSAVA guidelines—keeps you from paying gourmet prices for baseline nutrition.
Decoding Life-Stage Labels: Senior vs. Mature vs. All-Life-Stages
In AAFCO-speak, “senior” is still a discretionary term; only “adult maintenance” and “growth/all-life-stages” are legally defined. Blue Buffalo uses “senior” starting at seven years for large breeds and nine for small. Recognize that an “all-life-stages” formula can legally nourish a puppy, but its calcium-to-phosphorus ratio and calorie load may accelerate joint degeneration in an older dog. Always check the nutritional adequacy statement, not the front-of-bag headline.
Key Joint-Support Compounds and the Numbers That Matter
Look past the lightning-bolt graphics and find the “Guaranteed Analysis” panel. Effective senior blends disclose glucosamine in mg/kg (target ≥400 mg/kg), chondroitin (≥300 mg/kg), and combined omega-3s (≥0.4% DHA). Anything listed only in “ppm” or buried in a proprietary “joint pack” is likely below therapeutic threshold. Vitamin C and manganese are cofactors in collagen synthesis—nice bonuses, but they don’t replace the big three.
Mobility Myths: Glucosamine Overload, Grain-Free Fallout, and Calorie Creep
More glucosamine is not always better; doses above 1,000 mg/kg can trigger GI upset without added benefit. Grain-free kibbles that swap cereals with lentils or peas sometimes deliver higher purine loads, aggravating joint inflammation in dogs prone to gout or leishmaniasis. Finally, “fat-to-protein creep” plagues many senior recipes: lower protein looks good on paper, but if fat stays constant, calories remain sky-high and pounds sneak on—enemy number one for joints.
Weight Control as the Silent Joint Protector: How Fiber, Fat, and Feeding Schedules Intersect
Every extra pound on a Lab translates to roughly four pounds of added joint stress. Senior Blue formulas tackle this with 9–11% fat versus 15–18% in adult lines, plus miscanthus grass or pumpkin pomace for bulk without calories. Feed in timed meals rather than free-choice; metabolism slows 10–15% after age ten, so the same cup that maintained weight at five now creates a pooch pouch.
Antioxidants for Cognitive Spring: The Brain-Joint Vitality Link
Oxidative damage doesn’t stop at cartilage—it clouds the canine brain. Blue’s “LifeSource Bits” isolate cold-formed ingredients (turmeric, blueberry, pomegranate) to preserve polyphenols that cross the blood-brain barrier. Studies show senior dogs fed diets rich in mixed tocopherols and flavonoids perform better on landmark discrimination tests—meaning sharper recognition of doorways and steps, indirectly reducing tumble injuries to arthritic joints.
Protein Quality vs. Quantity: Protecting Lean Muscle Without Overloading Kidneys
Senior dogs need 25–30% highly digestible protein to counter sarcopenia; the trick is shifting nitrogen burden away from kidneys. Blue Buffalo achieves this with deboned chicken, fish meal, and egg, boasting ≥85% amino acid digestibility scores. Look for phosphorus at 0.8–1.0% on a dry-matter basis—enough to rebuild muscle, low enough to spare renal glomeruli.
Omega-3 Fatty Acids: EPA/DHA Ratios That Quiet Inflammation
A 2:1 EPA-to-DHA ratio mirrors the canine cartilage membrane profile and outperforms generic fish-oil sprinkles. Check that the brand specifies “marine source” (menhaden, anchovy) rather than flax; dogs convert ALA poorly. Effective senior formulas land total omega-3s at 1.0–1.4% DM, translating to visible improvements in gait scores within six weeks.
Superfoods or Super Hype? Kelp, Turmeric, and Collagen Peptides Explained
Kelp supplies iodine for thyroid support—crucial since hypothyroidism masquerades as joint lethargy. Turmeric’s curcuminoids inhibit NF-κB, a master inflammatory switch, but bioavailability is 5× higher when paired with piperine (black pepper), an inclusion Blue added in 2024 recipes. Hydrolyzed collagen peptides provide glycine and proline directly to chondrocytes; still, they work best when stacked with vitamin C and copper, co-factors Blue lists explicitly.
Palatability Pitfalls: When Picky Seniors Turn Up Their Noses
Aging olfactory bulbs cut smell sensitivity by up to 60%. Blue counters with sprayed-on chicken fat, dried chicory root for caramelized aroma, and semi-moist LifeSource Bits that create textural contrast. Warm the kibble to body temperature (38 °C) and add a tablespoon of warm bone broth to unlock fat-soluble volatiles—tricks that reduce food rejection without calorie bombs.
Transition Tactics: Avoiding GI Upset When Switching to a Senior Formula
Sudden diet swaps can trigger diarrhea, which dehydrates joints and reduces nutrient absorption. Use a 10-day staircase: 25% new on days 1–3, 50% on days 4–6, 75% on days 7–9, 100% on day 10. Add a canine-specific probiotic with ≥1×10^9 CFU of B. animalis to ease microflora migration, especially if the new food contains higher pea fiber or dried kelp.
Kibble Size, Texture, and Dental Health: Small Bites, Big Impact
Dental disease seeds systemic inflammation that migrates to synovial membranes. Senior-specific Blue kibbles are 25% smaller and 15% softer, reducing calculus fracture and encouraging thorough chewing—each extra second of crunch time scrapes plaque. For toy breeds, choose “Small Breed Senior” matrices that fit between lower first molars to avoid gulping.
Vet Checks & At-Home Mobility Scores: Tracking Progress Beyond the Food Dish
Schedule a baseline orthopedic exam the week you switch foods, then repeat every six months. Pair vet visits with at-home metrics: time to rise from lying, number of stairs climbed before pause, and circumference of thigh at 50% femur length. Log in a phone app; a 10% improvement in rise-time or thigh girth after eight weeks on a new diet often beats radiographs for early success feedback.
Budget vs. Premium: Cost-Per-Active-Gram of Joint Nutrients
A 24-lb bag priced at $62 might look steep, but calculate cost per gram of combined glucosamine, chondroitin, EPA/DHA. If the cheaper $48 competitor offers half the actives, you’re paying more per therapeutic gram. Factor in feeding rate: higher-calorie budget foods often require larger cups, erasing sticker savings while expanding waistlines.
Storage & Shelf-Life: Keeping Joint Actives Potent Once the Bag Is Open
Omega-3s oxidize at 60% humidity and 25 °C within four weeks, destroying anti-inflammatory power. Store Blue Buffalo in the original foil bag (an oxygen barrier), squeeze out air, clip shut, and place inside a metal bin with a tight gasket. Keep the bin in a climate-controlled pantry—not the garage—to preserve labeled glucosamine potency to the last cup.
Frequently Asked Questions
1. How long before I see mobility improvements after switching to Blue Buffalo senior?
Most owners report smoother gait or quicker stair climbs within 4–6 weeks; objective joint-fluid markers peak around 8 weeks.
2. Can I give additional glucosamine supplements on top of the kibble?
Yes, but total daily intake (food + supplements) should stay under 500 mg per 25 lb body weight to avoid diarrhea.
3. Is grain-inclusive or grain-free better for senior joints?
Unless your dog has a documented grain allergy, grain-inclusive recipes provide magnesium and manganese helpful to cartilage—plus lower price per bag.
4. My senior dog is allergic to chicken; which Blue protein base should I choose?
Look for the “Fish & Brown Rice” or “Lamb & Barley” senior formulas; both exclude chicken protein while keeping joint actives intact.
5. Will Blue Buffalo senior help my dog lose weight?
The reduced-fat, higher-fiber profile supports weight loss only if you measure portions and account for treats—aim for 1% body-weight loss per week.
6. Are LifeSource Bits just marketing color or do they add value?
They’re cold-formed to preserve heat-sensitive vitamins and polyphenols, offering antioxidant levels 20% higher than the same ingredients baked into the main kibble.
7. Can I feed Blue senior to a younger adult dog?
It’s safe short-term, but the lower calories and adjusted minerals may not support muscle growth in dogs under seven years—stick to life-stage-appropriate recipes.
8. How do I verify the glucosamine level if it’s not printed on the new 2025 bag?
Scan the QR code; Blue now posts a “Therapeutic Nutrient Sheet” for each batch, including third-party joint-actives assay.
9. Does Blue Buffalo offer a money-back guarantee if my dog refuses to eat it?
Yes, the brand provides a 100% satisfaction guarantee within 60 days of purchase—keep your receipt and the UPC code.
10. Is wet food or dry kibble better for arthritic dogs with few teeth?
Choose the senior canned stews and add a joint-topper powder; moisture aids digestion and blue’s canned line mirrors the fatty-acid profile of the dry.