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Burron S, Richards T, Krebs G, Trevizan L, Rankovic A, Hartwig S, Pearson W, Ma DWL, Shoveller AK. The balance of n-6 and n-3 fatty acids in canine, feline, and equine nutrition: exploring sources and the significance of alpha-linolenic acid. J Anim Sci 2024; 102:skae143. [PMID: 38776363 PMCID: PMC11161904 DOI: 10.1093/jas/skae143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 05/21/2024] [Indexed: 05/24/2024] Open
Abstract
Both n-6 and n-3 fatty acids (FA) have numerous significant physiological roles for mammals. The interplay between these families of FA is of interest in companion animal nutrition due to the influence of the n-6:n-3 FA ratio on the modulation of the inflammatory response in disease management and treatment. As both human and animal diets have shifted to greater consumption of vegetable oils rich in n-6 FA, the supplementation of n-3 FA to canine, feline, and equine diets has been advocated for. Although fish oils are commonly added to supply the long-chain n-3 FA eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), a heavy reliance on this ingredient by the human, pet food, and equine supplement industries is not environmentally sustainable. Instead, sustainable sourcing of plant-based oils rich in n-3 α-linolenic acid (ALA), such as flaxseed and camelina oils, emerges as a viable option to support an optimal n-6:n-3 FA ratio. Moreover, ALA may offer health benefits that extend beyond its role as a precursor for endogenous EPA and DHA production. The following review underlines the metabolism and recommendations of n-6 and n-3 FA for dogs, cats, and horses and the ratio between them in promoting optimal health and inflammation management. Additionally, insights into both marine and plant-based n-3 FA sources will be discussed, along with the commercial practicality of using plant oils rich in ALA for the provision of n-3 FA to companion animals.
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Affiliation(s)
- Scarlett Burron
- Department of Animal Biosciences, University of Guelph, Guelph, ON, CanadaN1G 2W1
| | - Taylor Richards
- Department of Animal Biosciences, University of Guelph, Guelph, ON, CanadaN1G 2W1
| | - Giovane Krebs
- Departamento de Zootecnia, Universidade Federal do Rio Grande do Sul, Porto Alegre 91540-000, Rio Grande do Sul, Brazil
| | - Luciano Trevizan
- Departamento de Zootecnia, Universidade Federal do Rio Grande do Sul, Porto Alegre 91540-000, Rio Grande do Sul, Brazil
| | - Alexandra Rankovic
- Department of Animal Biosciences, University of Guelph, Guelph, ON, CanadaN1G 2W1
| | - Samantha Hartwig
- Department of Animal Biosciences, University of Guelph, Guelph, ON, CanadaN1G 2W1
| | - Wendy Pearson
- Department of Animal Biosciences, University of Guelph, Guelph, ON, CanadaN1G 2W1
| | - David W L Ma
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON, CanadaN1G 2W1
| | - Anna K Shoveller
- Department of Animal Biosciences, University of Guelph, Guelph, ON, CanadaN1G 2W1
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Burron S, Richards T, McCorkell TC, Trevizan L, Puttick D, Ma DWL, Pearson W, Shoveller AK. Effects of dietary camelina, flaxseed, and canola oil supplementation on plasma fatty acid concentrations and health parameters in horses. Animal 2023; 17:101034. [PMID: 38070473 DOI: 10.1016/j.animal.2023.101034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 11/07/2023] [Accepted: 11/10/2023] [Indexed: 12/23/2023] Open
Abstract
Camelina (Camelina sativa) is a hardy, low-input oilseed crop that provides a rich source of the n-3 fatty acid, α-linolenic acid (ALA). The primary purpose of the present study was to assess the effects of dietary camelina oil (CAM) consumption on various health parameters, as compared to horses fed canola oil (OLA) or flax oil (FLX). Secondly, to determine how dietary CAM, FLX, and OLA alter circulating plasma total lipids across time. Thirty horses, from three separate herds, were used for this study [14.9 years ± 5.3 years; 544 ± 66 kg calculated BW (mean ± SD)]. After a 4-week gradual acclimation period using sunflower oil mixed with soaked hay cubes, horses were balanced by location, age, sex, weight, and breed and randomly allocated to one of three treatment oils (CAM, OLA, or FLX) at an inclusion of 370 mg of oil/kg BW/day. Horses had ad libitum access to hay and/or pasture for the duration of the study. Body condition score (BCS), BW, oil intake, complete blood counts, plasma biochemical profiles, and plasma total lipids were measured on weeks 0, 2, 4, 8, and 16 throughout the 16-week treatment period. BW, BCS, and oil intake were analyzed using an ANOVA using PROC GLIMMIX in SAS Studio. Complete blood counts and biochemical profiles were analyzed using an ANCOVA, and fatty acids were analyzed using an ANOVA in PROC MIXED in SAS Studio. No differences were observed among treatment groups for BW, BCS, oil intake, complete blood counts, and biochemical parameters. Individual fatty acids that differed among treatments and/or across time were largely reflective of the different FA profiles of the oils provided. Most notably, plasma ALA was greater for FLX than OLA, but neither differed from CAM (P = 0.01). Linoleic acid did not differ among treatments or over time (P > 0.05). The n-6:n-3 ratio decreased over time for both CAM and FLX, and ratios were lower for FLX than OLA at week 16, but not different from CAM (P = 0.02). These results suggest that dietary CAM had no adverse effects on health parameters and that daily supplementation of CAM and FLX at 370 mg of oil/kg BW/day induces positive changes (a decrease) in the n-6:n-3 status of the horse. Consequently, CAM may be considered as an alternative oil to FLX in equine diets.
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Affiliation(s)
- S Burron
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - T Richards
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - T C McCorkell
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - L Trevizan
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - D Puttick
- Smart Earth Camelina Corp, Saskatoon, SK S7M 5V1, Canada
| | - D W L Ma
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - W Pearson
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - A K Shoveller
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada.
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Nyquist NF, Burri L, Jensen RB. Effect of dietary krill oil supplementation on horse red blood cell membrane fatty acid composition and blood parameters. J Anim Physiol Anim Nutr (Berl) 2023; 107:1251-1261. [PMID: 37144326 DOI: 10.1111/jpn.13828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/07/2023] [Accepted: 04/18/2023] [Indexed: 05/06/2023]
Abstract
Supplementation with marine-derived n-3 long-chain polyunsaturated fatty acids (LC PUFAs), eicosapentaenoic acid (EPA, 20:5 n-3) and docosahexaenoic acid (DHA, 22:6 n-3) is linked to beneficial health effects in both humans and horses. Krill oil (KO), which is extracted from the Antarctic krill (Euphausia superba), is well documented as a safe and biologically available dietary supplement in humans and several animal species, but there is a lack of documentation regarding its effect as a dietary ingredient for horses. The objective of this study was to test whether KO as a dietary supplement had the ability to raise horse red blood cell (RBC) membrane EPA and DHA, expressed as the n-3 index. Five nonworking Norwegian cold-blooded trotter horse geldings (body weight [BW]: 567 ± 38 kg) were supplemented with KO (10 mL/100 kg BW) for 35 days in a longitudinal study. Blood samples were analysed for RBC membrane fatty acid (FA) profile, haematology and serum biochemistry every 7th day. KO was well accepted by all horses, and no adverse health effects were observed during the 35-day trial period. KO supplementation affected the RBC membrane FA profile by increasing the n-3 index from Day 0 to 35 (Day 0: 0.53% vs. Day 35: 4.05% of total RBC FAs). The observed increase in the sum of EPA and DHA (p < 0.001), total n-3 FAs (p < 0.001) and the reduction of n-6 FAs (p < 0.044) resulted in a lower n-6:n-3 ratio (p < 0.001) by Day 35 of KO supplementation. In conclusion, the RBC n-3 index was increased and the general n-6:n-3 ratio was decreased in horses receiving 35-day dietary KO supplementation.
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Affiliation(s)
- Nicole Frost Nyquist
- Department of Paraclinical Sciences, Faculty of Veterinary Sciences, Norwegian University of Life Sciences, Ås, Norway
| | - Lena Burri
- Aker BioMarine Antarctic AS, Lysaker, Norway
| | - Rasmus Bovbjerg Jensen
- Department of Animal and Aquacultural Sciences, Faculty of Bioscience, Norwegian University of Life Sciences, Ås, Norway
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Marsella R, White S, Fadok VA, Wilson D, Mueller R, Outerbridge C, Rosenkrantz W. Equine allergic skin diseases: Clinical consensus guidelines of the World Association for Veterinary Dermatology. Vet Dermatol 2023; 34:175-208. [PMID: 37154488 DOI: 10.1111/vde.13168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 02/03/2023] [Accepted: 02/26/2023] [Indexed: 05/10/2023]
Abstract
BACKGROUND Allergic skin diseases are common in horses worldwide. The most common causes are insect bites and environmental allergens. OBJECTIVES To review the current literature and provide consensus on pathogenesis, diagnosis, treatment and prevention. MATERIALS AND METHODS The authors reviewed the literature up to November 2022. Results were presented at North America Veterinary Dermatology Forum (2021) and European Veterinary Dermatology Congress (2021). The report was available to member organisations of the World Association for Veterinary Dermatology for feedback. CONCLUSIONS AND CLINICAL RELEVANCE Insect bite hypersensitivity (IBH) is the best characterised allergic skin disease. An immunoglobulin (Ig)E response against Culicoides salivary antigens is widely documented. Genetics and environmental factors play important roles. Tests with high sensitivity and specificity are lacking, and diagnosis of IBH is based on clinical signs, seasonality and response to insect control. Eosinophils, interleukin (IL)-5 and IL-31 are explored as therapeutic targets. Presently, the most effective treatment is insect avoidance. Existing evidence does not support allergen-specific immunotherapy (ASIT) using commercially available extracts of Culicoides. Hypersensitivity to environmental allergens (atopic dermatitis) is the next most common allergy. A role for IgE is supported by serological investigation, skin test studies and positive response to ASIT. Prospective, controlled, randomised studies are limited, and treatment relies largely on glucocorticoids, antihistamines and ASIT based on retrospective studies. Foods are known triggers for urticaria, yet their role in pruritic dermatitis is unknown. Recurrent urticaria is common in horses, yet our understanding is limited and focussed on IgE and T-helper 2 cell response. Prospective, controlled studies on treatments for urticaria are lacking. Glucocorticoids and antihistamines are primary reported treatments.
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Affiliation(s)
- R Marsella
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA
| | - S White
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California, USA
| | - V A Fadok
- Zoetis, US PET CARE, Bellaire, Texas, USA
| | - D Wilson
- School of Clinical Veterinary Sciences, University of Bristol, Bristol, UK
| | - R Mueller
- Medizinische Keleintierklinik, Zentrum für klinische Tiermedizin, LMU, Munich, Germany
| | - C Outerbridge
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California, USA
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Mowry KC, Thomson-Parker TL, Morales C, Fikes KK, Stutts KJ, Leatherwood JL, Anderson MJ, Smith RX, Suagee-Bedore JK. Effects of Crude Rice Bran Oil and a Flaxseed Oil Blend in Young Horses Engaged in a Training Program. Animals (Basel) 2022; 12:ani12213006. [PMID: 36359130 PMCID: PMC9653641 DOI: 10.3390/ani12213006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/25/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
Rice bran oil and flaxseed oil contain omega-3 fatty acids with the potential to reduce post-exercise inflammation and muscle damage. This study measures plasma interleukin-1β and creatine kinase and fatty acid profiles in lightly worked, young horses (Equus caballus) undergoing an exercise test after 60 days (d) of oil consumption, where the oil replaced 25% of concentrate calories. Treatments consisted of CON (no oil), FLAX (flaxseed oil blend), and RICE (crude rice bran oil). Blood was collected pre-exercise, and again at 1 min, 30 min, 24 h, 48 h, and 72 h post-IET. Data were analyzed by repeated measures ANOVA. Plasma creatine kinase activity was not different in CON during the study, greater (p < 0.05) in RICE from pre-exercise to 30 min post-exercise across all exercise tests, and lesser (p < 0.05) in FLAX at 30 min post-exercise on d 30 compared to d 0. Plasma interleukin-1β was greater (p < 0.01) in CON on d 60, but no differences were observed in FLAX and RICE throughout the study. Plasma alpha-linolenic and linoleic acids were greatest (p < 0.05) in FLAX after 30 d of inclusion, while CON horses had greater (p < 0.05) EPA across all exercise tests and DHA after 60 d. These results indicate that 60 d of inclusion of crude rice bran oil or a flaxseed oil blend may benefit lightly worked, young horses by reducing training-program-related increases in interleukin-1β, while a flaxseed oil blend may reduce exercise-induced increases in creatine kinase. Additionally, the flaxseed oil blend has the potential to increase plasma omega-3 and omega-6 fatty acids. Replacing 25% of concentrate calories with flaxseed or rice bran oil has potential benefits for young horses in training.
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Affiliation(s)
- Kayla C. Mowry
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA
| | - Timber L. Thomson-Parker
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA
| | - Cruz Morales
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA
| | - Kalley K. Fikes
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA
| | - Kyle J. Stutts
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA
| | - Jessica L. Leatherwood
- Department of Animal Science, College of Agriculture and Life Sciences, Texas A&M University, College State, TX 77843, USA
| | - Mark J. Anderson
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA
| | - Rachelle X. Smith
- Sam Houston State University Analytical Laboratory, Sam Houston State University, Huntsville, TX 77341, USA
| | - Jessica K. Suagee-Bedore
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA
- Correspondence: ; Tel.: +1-540-231-2232
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Pagan JD, Hauss AA, Pagan EC, Simons JL, Waldridge BM. Long-chain polyunsaturated fatty acid supplementation increases levels in red blood cells and reduces the prevalence and severity of squamous gastric ulcers in exercised Thoroughbreds. J Am Vet Med Assoc 2022; 260:S121-S128. [PMID: 36269687 DOI: 10.2460/javma.22.06.0275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To assess the relationship between plasma and RBC fatty acid composition and incidence and severity of squamous gastric ulcers when altered by short-chain (SC) or long-chain (LC) polyunsaturated fatty acid (PUFA) supplementation. ANIMALS 13 fit Thoroughbred horses in training. PROCEDURES Horses were evaluated by gastroscopy for squamous ulcer score, gastric pH, and blood fatty acid composition prior to supplementation (UNSUPP) and after 3 months of supplementation with a corn-flax oil blend of alpha-linolenic acid and linoleic acid (SC-PUFA) or a gamma-linolenic acid (GLA)-fish oil blend of GLA, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA; LC-PUFA) in a crossover design. Prior to gastroscopy and blood collection, horses performed a 4,600-m standardized exercise test on the racetrack as a stressor. RESULTS Three months of supplementation with LC-PUFAs increased RBC levels of GLA, dihomo-gamma-linolenic acid (DGLA), arachidonic acid (AA), EPA, and DHA, and reduced severe ulcer prevalence (38% UNSUPP vs 8% LC-PUFA with a severe ulcer score of grade 3 to 4). Short-chain PUFA supplementation did not effectively elevate RBC GLA, DGLA, AA, EPA, or DHA and severe ulcer incidence was not different (38% UNSUPP vs 23% SC-PUFA with a severe ulcer score of grade 3 to 4). Lower levels of RBC GLA, DGLA, AA, and EPA correlated with severe squamous gastric ulceration (grade 3 to 4). CLINICAL RELEVANCE Equine gastric ulcer syndrome is prevalent in high-performance horses and is a concern to owners and trainers. Long-chain PUFA supplementation increased levels of GLA, DGLA, AA, EPA, and DHA, unlike SC-PUFA supplementation, and was associated positively with prevention or resolution of severe squamous gastric ulceration. Further studies are needed to evaluate different management styles and exercise intensities.
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Affiliation(s)
| | | | | | | | - Bryan M Waldridge
- Department of Pathobiology and Population Medicine, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS
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Dose-Dependent Increase in Whole Blood Omega-3 Fatty Acid Concentration in Horses Receiving a Marine-Based Fatty-Acid Supplement. J Equine Vet Sci 2021; 108:103781. [PMID: 34800796 DOI: 10.1016/j.jevs.2021.103781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 09/28/2021] [Accepted: 09/28/2021] [Indexed: 11/23/2022]
Abstract
The objective of this study was to determine the effects of an oral, commercially available, marine based omega-3 fatty acid (n3-FA) supplement on fatty acid characteristics in horse whole blood. Fifty healthy, adult horses of various light breeds were assigned to one of two treatment groups: Group 1 receiving 7.5g/day of the test supplement, and Group 2 receiving 15g/day of the test supplement. The supplement contained 0.092g docosahexaenoic acid (DHA) and 0.148g eicosapentaenoic acid (EPA) per gram. Therefore, Group 1 received 1.11g of EPA and 0.69g of DHA daily, while Group 2 received 2.22g of EPA and 1.38g DHA daily. Blood was taken at time of enrollment and after 6 and 12 weeks of supplementation. Blood was subjected to gas chromatography to quantify the fatty acid characteristics of whole blood. At both 6 and 12 weeks following supplementation, there was a significant increase in all n3-FAs evaluated, including DHA and EPA, compared to baseline values, with Group 2 significantly increased compared to Group 1 at both time points. There was also a significant decrease in omega-6 fatty acids (n6-FAs) between baseline and 6 weeks of supplementation in both groups, with a larger decrease seen in Group 2. The dose-dependent increases in concentration of all n3-FAs evaluated at all-time points validates the use of this product as a n3-FA targeted supplement in horses. These findings also suggest that dose of supplement has a greater effect on increasing whole blood n3-FAs compared to duration of treatment.
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Wood J, Jb Minter L, Tollefson TN, Bissell H, Bibus D, Ange-van Heugten K. Implications of Nutritional Management on Fatty Acid Profiles of Southern White Rhinoceroses ( Ceratotherium simum simum) Housed at Two Zoological Institutions. Animals (Basel) 2021; 11:3063. [PMID: 34827795 PMCID: PMC8614272 DOI: 10.3390/ani11113063] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/23/2021] [Accepted: 10/25/2021] [Indexed: 11/18/2022] Open
Abstract
Southern white rhinoceroses (Ceratotherium simum simum) are African megaherbivores that are considered near threatened by the International Union for the Conservation of Nature. The fatty acid circulating values of these animals have not been thoroughly investigated. Fatty acids are critical for immune, heart, skin, and reproductive health, and may have a significant impact on the management and conservation of this species. Published data on fatty acids in this species is limited to incomplete profiles with very few animals in managed environments. The objectives of this research were to provide novel fatty acid percentage profiles for managed healthy southern white rhinoceroses, as well as to provide comparisons between two zoological institutions with differences in diet and climate during two distinct pasture growth periods. Whole blood samples were collected as dried blood spots from six rhinoceroses at the North Carolina Zoo (NC Zoo) and five rhinoceroses at Busch Gardens Tampa (BGT) in the low growth period (February to April) of 2019 and during the high growth period (July to September) of 2020. Fatty acid results indicated numerous differences when comparing the institutions within the same growth period and when comparing the same institution between its two growth periods. Most noteworthy were the higher levels of α-linolenic acid (18:3w3) and total omega-3 fatty acids and the lower linoleic acid (18:2w6), total omega-6 fatty acids, and omega-6 to omega-3 ratio found in the BGT population in both growth periods. This study provides novel percentages of fatty acids in managed southern white rhinoceroses and data on how fatty acid profiles may be altered between two housing locations via dietary differences in hay type and quantity, pasture availability via season, and pellet inclusion levels.
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Affiliation(s)
- Jordan Wood
- Department of Animal Science, North Carolina State University, Raleigh, NC 27695, USA;
| | | | - Troy Neil Tollefson
- Mazuri® Exotic Animal Nutrition, PMI Nutrition, Land O’Lakes, Inc., St. Louis, MO 63144, USA;
| | - Heidi Bissell
- Busch Gardens Tampa Bay, 10165 McKinley Dr, Tampa, FL 33612, USA;
| | - Doug Bibus
- Lipid Technologies LLC, P.O. Box 216, Austin, MN 55912, USA;
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Christmann U, Hancock CL, Poole CM, Emery AL, Poovey JR, Hagg C, Mattson EA, Scarborough JJ, Christopher JS, Dixon AT, Craney DJ, Wood PL. Dynamics of DHA and EPA supplementation: incorporation into equine plasma, synovial fluid, and surfactant glycerophosphocholines. Metabolomics 2021; 17:41. [PMID: 33866431 DOI: 10.1007/s11306-021-01792-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 04/05/2021] [Indexed: 01/14/2023]
Abstract
INTRODUCTION Horses with asthma or osteoarthritis frequently receive ω-3 fatty acid supplements. Docosahexaenoic (DHA; 22:6) and eicosapentaenoic (EPA; 20:5) acids are essential ω-3 fatty acid precursors of anti-inflammatory mediators and components of structural glycerophospholipids (GPL) that act as reservoirs of these fatty acids. Analysis of the incorporation of dietary DHA + EPA into GPL pools in different body compartments has not been undertaken in horses. OBJECTIVES We undertook a detailed study of dietary supplementation with DHA + EPA in horses and monitored incorporation into DHA- and EPA-containing glycerophosphocholines (GPC) 38:5, 38:6, 40:5, and 40:6 in plasma, synovial fluid (SF), and surfactant. METHODS Horses (n = 20) were randomly assigned to the supplement or control group and evaluated on days 0, 30, 60, and 90. GPC in plasma, SF, and surfactant were measured by high-resolution mass spectrometry with less than 3 ppm mass error. Validation of DHA and EPA incorporation into these GPC was conducted utilizing MS2 of the [M + Cl]- adducts of GPC. RESULTS Dietary supplementation resulted in augmented levels of GPC 38:5, 38:6, 40:5, and 40:6 in all compartments. Maximum incorporation into GPCs was delayed until 60 days. Significant increases in the levels of GPC 38:5, 40:5, and 40:6, containing docosapentaenoic acid (DPA; 22:5), also was noted. CONCLUSIONS DHA and EPA supplementation results in augmented storage pools of ω-3 essential fatty acids in SF and surfactant GPC. This has the potential to improve the ability of anti-inflammatory mechanisms to resolve inflammatory pathways in these critical compartments involved in arthritis and asthma.
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Affiliation(s)
- Undine Christmann
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA.
| | - Courtney L Hancock
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Cathleen M Poole
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Audrey L Emery
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Jesse R Poovey
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Casey Hagg
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Eric A Mattson
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Jon J Scarborough
- DeBusk College of Osteopathic Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Jordan S Christopher
- DeBusk College of Osteopathic Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Alexander T Dixon
- DeBusk College of Osteopathic Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Dustin J Craney
- DeBusk College of Osteopathic Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
| | - Paul L Wood
- Metabolomics Unit, College of Veterinary Medicine, Lincoln Memorial University, 6965 Cumberland Gap Pkwy, Harrogate, TN, 37752, USA
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Sanclemente JL, Rivera-Velez SM, Dasgupta N, Horohov DW, Wood PL, Sanz MG. Plasma lipidome of healthy and Rhodococcus equi-infected foals over time. Equine Vet J 2021; 54:121-131. [PMID: 33445210 DOI: 10.1111/evj.13422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/22/2020] [Accepted: 01/03/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND Many foals that develop thoracic ultrasonographic lesions as a result of Rhodococcus equi infection heal on their own. However, most of these foals receive antimicrobials because foals at risk of developing clinical pneumonia cannot be identified. Untargeted lipidomics is useful to identify candidate biomarkers. OBJECTIVES (a) To describe the changes that occur in foal lipidomics as a result of ageing (birth to 8 weeks) and (b) To compare these results with those observed in foals after experimental infection with R. equi. STUDY DESIGN Experimental study. METHODS Healthy newborn foals (n = 9) were challenged with R. equi intratracheally the first week of life. Foals were treated with antimicrobials if they developed clinical pneumonia (n = 4, "clinical group") or were closely monitored if they showed no signs of disease (n = 5 "subclinical group"). An unchallenged group (n = 4) was also included. All foals were free of disease (transtracheal wash fluid evaluation and culture as well as thoracic ultrasonography) by 8 weeks of life. Plasma lipidomics was determined by LC-MS weekly for the study duration (8 weeks). RESULTS Both ageing and experimental infection altered the foal's plasma lipidome as demonstrated by multivariate statistical analysis. The intensities of 31 lipids were altered by ageing and 12 by infection (P < .05). Furthermore, nine lipids changed by more than twofold between clinical and subclinical groups. MAIN LIMITATIONS The number of foals is limited. Foals were experimentally challenged with R. equi. CONCLUSIONS Ageing and R. equi infection induced changes in the plasma lipidome of foals. These experimental results provide the background for future work in the discovery of earlier biomarkers of R. equi pneumonia. Early identification of foals at risk of developing clinical pneumonia is key in order to decrease antimicrobial use and development of antimicrobial resistance.
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Affiliation(s)
- Jorge L Sanclemente
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| | - Sol Maiam Rivera-Velez
- Molecular Determinants Core, Johns Hopkins All Children's Hospital, Saint Petersburg, FL, USA
| | - Nairanjana Dasgupta
- Department of Mathematics and Statistics, College of Arts and Sciences, Washington State University, Pullman, WA, USA
| | - David W Horohov
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Clinical Sciences, University of Kentucky, Lexington, KY, USA
| | - Paul L Wood
- Metabolomics Unit, Department of Physiology and Pharmacology, College of Veterinary Medicine, Lincoln Memorial University, Harrogate, TN, USA
| | - Macarena G Sanz
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA, USA
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11
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Dominguez TE, Kaur K, Burri L. Enhanced omega-3 index after long- versus short-chain omega-3 fatty acid supplementation in dogs. Vet Med Sci 2020; 7:370-377. [PMID: 33022896 PMCID: PMC8025612 DOI: 10.1002/vms3.369] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 08/04/2020] [Accepted: 09/09/2020] [Indexed: 01/22/2023] Open
Abstract
Background The Omega‐3 Index is a test that measures the amount of the long‐chain omega‐3 polyunsaturated fatty acids (n‐3 PUFAs), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in red blood cell membranes, which is expressed as a percentage of all fatty acids. However, alpha‐linolenic acid (ALA) from flaxseed oil, which is a short‐chain n‐3 PUFA, is often promoted in pet feed as a n‐3 source, implicitly assuming it is an effective precursor of EPA and DHA. Objective This study was aimed to compare the effect of supplementation with a plant‐based short‐chain n‐3 PUFA source (flaxseed oil, FSO) with a marine long‐chain n‐3 PUFA source (astaxanthin krill oil, AKO) to increase the Omega‐3 Index in dogs. Methods Ten adult Alaskan Huskies of both genders were supplemented daily with 1,155 mg of EPA/DHA from AKO, whereas another 10 dogs received 1,068 mg ALA from flaxseed oil for 6 weeks. Fatty acid and Omega‐3 Index measurements of the two groups were taken after 0, 3 and 6 weeks for comparison. Results The EPA and DHA concentrations increased significantly only in the dogs fed with AKO resulting in a significant increase in mean Omega‐3 Index, from 1.68% at baseline to 2.7% after 6 weeks of supplementation (p < .0001). On the contrary, both EPA and DHA concentrations decreased significantly in the dogs fed with FSO, which led to a significant decrease in mean Omega‐3 Index from 1.6% at baseline to 0.96% at study end (p < .0001). Conclusions The results showed that supplementation of AKO from Antarctic krill led to a significant increase in the Omega‐3 Index in comparison to FSO in dogs. This suggests that preformed marine EPA and DHA sources are needed in dog feeds, as the dietary requirements proposed by feed industry organizations are not met with conversion from short‐chain n‐3 fatty acids.
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Affiliation(s)
| | | | - Lena Burri
- Aker BioMarine Antarctic AS, Lysaker, Norway
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12
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Elzinga SE, Betancourt A, Stewart JC, Altman MH, Barker VD, Muholland M, Bailey S, Brennan KM, Adams AA. Effects of Docosahexaenoic Acid-Rich Microalgae Supplementation on Metabolic and Inflammatory Parameters in Horses With Equine Metabolic Syndrome. J Equine Vet Sci 2019; 83:102811. [PMID: 31791524 DOI: 10.1016/j.jevs.2019.102811] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 10/14/2019] [Accepted: 10/14/2019] [Indexed: 12/11/2022]
Abstract
Much of the equine population is obese and therefore predisposed to the development of additional health concerns such as equine metabolic syndrome (EMS). However, pharmacologic treatments for EMS are limited. Omega-3 fatty acid supplementation is a therapeutic strategy in humans with metabolic dysfunction that improves insulin sensitivity and reduces inflammation, but the effects of omega-3 fatty acid supplementation in horses with EMS are unclear. Therefore, in this pilot study, 10 mixed-sex and mixed-breed horses with EMS were fed a docosahexaenoic acid (DHA)-rich microalgae containing 16 g DHA/horse/d or served as controls for 46 days. Inflammatory status was measured using serologic enzyme-linked immunosorbent assay and in peripheral blood mononuclear cells (PBMCs) using flow cytometry and reverse transcription polymerase chain reaction. Circulating fatty acids, triglyceride, leptin, and adiponectin concentrations were also determined. Insulin and glucose dynamics were assessed with oral sugar test (OST) and frequently sampled intravenous glucose tolerance testing. Postsupplementation, treated horses had an increase in many circulating fatty acids, including DHA (P < .001). Treated horses also had lower serum triglycerides postsupplementation (P = .02) and a trend (P = .07) for reduced PBMC tumor necrosis factor α. Interestingly, after 46 days, control horses had an increase in insulin responses to the OST (P = .01), whereas treated horses did not (P = .69). These pilot data indicate that DHA-rich microalgae supplementation alters circulating fatty acids, modulates metabolic parameters, and may reduce inflammation in horses with EMS.
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Affiliation(s)
- Sarah E Elzinga
- Department of Veterinary Science, M.H. Gluck Equine Research Center, University of Kentucky, Lexington, KY.
| | - Alejandra Betancourt
- Department of Veterinary Science, M.H. Gluck Equine Research Center, University of Kentucky, Lexington, KY
| | - John C Stewart
- Department of Veterinary Science, M.H. Gluck Equine Research Center, University of Kentucky, Lexington, KY
| | - Melissa H Altman
- Department of Veterinary Science, M.H. Gluck Equine Research Center, University of Kentucky, Lexington, KY
| | - Virginia D Barker
- Department of Veterinary Science, M.H. Gluck Equine Research Center, University of Kentucky, Lexington, KY
| | - Mason Muholland
- Department of Veterinary Science, M.H. Gluck Equine Research Center, University of Kentucky, Lexington, KY
| | - Simon Bailey
- Faculty of Veterinary and Agricultural Sciences, Melbourne Veterinary School, University of Melbourne, Werribee, Victoria, Australia
| | | | - Amanda A Adams
- Department of Veterinary Science, M.H. Gluck Equine Research Center, University of Kentucky, Lexington, KY
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13
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Balji Y, Knicky M, Zamaratskaia G. Perspectives and safety of horsemeat consumption. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14390] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Yuriy Balji
- Department of Veterinary Sanitation S. Seifullin Kazakh AgroTechnical University Zhenis avenue 62 Nur‐Sultan 010011 Kazakhstan
| | - Martin Knicky
- Department of Animal Nutrition and Management Swedish University of Agricultural Sciences Box 7024 Uppsala 750 07 Sweden
| | - Galia Zamaratskaia
- Department of Molecular Sciences Swedish University of Agricultural Sciences Box 7015 Uppsala 750 07 Sweden
- Faculty of Fisheries and Protection of Waters South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses University of South Bohemia in Ceske Budejovice Zatisi 728/II Vodnany 389 25 Czech Republic
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14
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Camacho F, Macedo A, Malcata F. Potential Industrial Applications and Commercialization of Microalgae in the Functional Food and Feed Industries: A Short Review. Mar Drugs 2019; 17:E312. [PMID: 31141887 PMCID: PMC6628611 DOI: 10.3390/md17060312] [Citation(s) in RCA: 130] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 05/23/2019] [Accepted: 05/25/2019] [Indexed: 12/23/2022] Open
Abstract
Bioactive compounds, e.g., protein, polyunsaturated fatty acids, carotenoids, vitamins and minerals, found in commercial form of microalgal biomass (e.g., powder, flour, liquid, oil, tablet, or capsule forms) may play important roles in functional food (e.g., dairy products, desserts, pastas, oil-derivatives, or supplements) or feed (for cattle, poultry, shellfish, and fish) with favorable outcomes upon human health, including antioxidant, anti-inflammatory, antimicrobial, and antiviral effects, as well as prevention of gastric ulcers, constipation, anemia, diabetes, and hypertension. However, scale up remains a major challenge before commercial competitiveness is attained. Notwithstanding the odds, a few companies have already overcome market constraints, and are successfully selling extracts of microalgae as colorant, or supplement for food and feed industries. Strong scientific evidence of probiotic roles of microalgae in humans is still lacking, while scarce studies have concluded on probiotic activity in marine animals upon ingestion. Limitations in culture harvesting and shelf life extension have indeed constrained commercial viability. There are, however, scattered pieces of evidence that microalgae play prebiotic roles, owing to their richness in oligosaccharides-hardly fermented by other members of the intestinal microbiota, or digested throughout the gastrointestinal tract of humans/animals for that matter. However, consistent applications exist only in the dairy industry and aquaculture. Despite the underlying potential in formulation of functional food/feed, extensive research and development efforts are still required before microalgae at large become a commercial reality in food and feed formulation.
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Affiliation(s)
- Franciele Camacho
- LEPABE-Laboratory of Process Engineering, Environment, Biotechnology and Energy, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal.
| | - Angela Macedo
- LEPABE-Laboratory of Process Engineering, Environment, Biotechnology and Energy, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal.
- UNICES-ISMAI-University Institute of Maia, Av. Carlos Oliveira Campos, 4475-690 Maia, Portugal.
| | - Francisco Malcata
- LEPABE-Laboratory of Process Engineering, Environment, Biotechnology and Energy, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal.
- Department of Chemical Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal.
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15
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Fappi A, Neves JDC, Kawasaki KA, Bacelar L, Sanches LN, P. da Silva F, Larina‐Neto R, Chadi G, Zanoteli E. Omega-3 multiple effects increasing glucocorticoid-induced muscle atrophy: autophagic, AMPK and UPS mechanisms. Physiol Rep 2019; 7:e13966. [PMID: 30648357 PMCID: PMC6333722 DOI: 10.14814/phy2.13966] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 11/21/2018] [Indexed: 12/23/2022] Open
Abstract
Muscle atrophy occurs in many conditions, including use of glucocorticoids. N-3 (omega-3) is widely consumed due its healthy properties; however, concomitant use with glucocorticoids can increase its side effects. We evaluated the influences of N-3 on glucocorticoid atrophy considering IGF-1, Myostatin, MEK/ERK, AMPK pathways besides the ubiquitin-proteasome system (UPS) and autophagic/lysosomal systems. Sixty animals constituted six groups: CT, N-3 (EPA 100 mg/kg/day for 40 days), DEXA 1.25 (DEXA 1.25 mg/kg/day for 10 days), DEXA 1.25 + N3 (EPA for 40 days + DEXA 1.25 mg/kg/day for the last 10 days), DEXA 2.5 (DEXA 2.5 mg/kg/day for 10 days), and DEXA 2.5 + N3 (EPA for 40 days + DEXA 2.5 mg/kg/day for 10 days). Results: N-3 associated with DEXA increases atrophy (fibers 1 and 2A), FOXO3a, P-SMAD2/3, Atrogin-1/MAFbx (mRNA) expression, and autophagic protein markers (LC3II, LC3II/LC3I, LAMP-1 and acid phosphatase). Additionally, N-3 supplementation alone decreased P-FOXO3a, PGC1-alpha, and type 1 muscle fiber area. Conclusion: N-3 supplementation increases muscle atrophy caused by DEXA in an autophagic, AMPK and UPS process.
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Affiliation(s)
- Alan Fappi
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Juliana de C. Neves
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Karine A. Kawasaki
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Luana Bacelar
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Leandro N. Sanches
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Felipe P. da Silva
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Rubens Larina‐Neto
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Gerson Chadi
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
| | - Edmar Zanoteli
- Department of NeurologyFaculdade de Medicina FMUSPUniversidade de Sao PauloSP, Brazil
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16
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Pellegrino FJ, Risso A, Relling AE, Corrada Y. Physical response of dogs supplemented with fish oil during a treadmill training programme. J Anim Physiol Anim Nutr (Berl) 2018; 103:653-660. [PMID: 30520172 DOI: 10.1111/jpn.13033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 10/19/2018] [Accepted: 11/08/2018] [Indexed: 11/25/2022]
Abstract
The rise in popularity of dog sports competitions has led to the evaluation of improvements in dog physical performance. The potential benefit of dietary supplementation with fish oil (FO) on the physical performance of human beings and horses has been reported. However, such effect has not been studied in dogs. We therefore evaluated the effect of FO dietary supplementation on heart rate (HR), rectal temperature (RT) and thigh circumference (TC) in dogs during aerobic treadmill training, and further determined HR response and blood lactate (BL) concentration during an incremental exercise test. Using a cross-over design, eight male dogs were randomly assigned to two groups and received a standard balanced commercial diet (control, CG, n = 7) and the same diet supplemented with 54 mg FO/kg metabolic weight per day (FOG, n = 8). All dogs had 30-min treadmill sessions at 8 km/hr and 7.5% slope twice a week for 12 weeks. Assessment of HR and RT was performed before and immediately after each session; HR was also assessed 5 min after the end of each session. Thigh circumference was evaluated before each session. All dogs performed an incremental exercise test on the treadmill at 0, 6 and 12 weeks to evaluate HR response and BL concentration. Data were analysed using the mixed procedure (SAS 9.4). In FOG, pre-HR (-4.9%) and post-HR (-2.4%) values and post-RT (-0.3%) values were lower during treadmill training, whereas TC (+2.2%) values were higher as compared with CG (p < 0.01). Through the incremental exercise test, mean HR (week 6, -5.3%; week 12, -6.0%) values in FOG were lower than in CG (p < 0.05). In conclusion, FO supplementation slightly improved the physiological response of dogs to exercise during training.
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Affiliation(s)
- Francisco Javier Pellegrino
- Laboratory of Veterinary Physiotherapy (LAFIVET), School of Veterinary Sciences (FCV), National University of La Plata (UNLP), Buenos Aires, Argentina.,National Council of Research and Technology (CONICET), Buenos Aires, Argentina.,Institute of Veterinary Genetics (IGEVET, UNLP-CONICET LA PLATA), FCV, Buenos Aires, Argentina
| | - Analía Risso
- Laboratory of Veterinary Physiotherapy (LAFIVET), School of Veterinary Sciences (FCV), National University of La Plata (UNLP), Buenos Aires, Argentina.,National Council of Research and Technology (CONICET), Buenos Aires, Argentina.,Institute of Veterinary Genetics (IGEVET, UNLP-CONICET LA PLATA), FCV, Buenos Aires, Argentina
| | | | - Yanina Corrada
- Laboratory of Veterinary Physiotherapy (LAFIVET), School of Veterinary Sciences (FCV), National University of La Plata (UNLP), Buenos Aires, Argentina.,National Council of Research and Technology (CONICET), Buenos Aires, Argentina
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17
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Hess T, Braun S, Herkelman K. The Effects of Various Levels of Docosahexaenoic Acid on Inflammatory Markers in Conditioned Horses During Lactate Threshold Tests. J Equine Vet Sci 2018; 72:64-71. [PMID: 30929785 DOI: 10.1016/j.jevs.2018.10.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 10/04/2018] [Accepted: 10/05/2018] [Indexed: 11/18/2022]
Abstract
Exercise stimulates the release of inflammatory cytokines and supplementation with n-3 fatty acids reduces inflammation. The effects of different doses of docosahexaenoic acid (DHA) on inflammation in polo horses submitted to field lactate threshold tests (LT) were analyzed. We hypothesized that higher doses of DHA would reduce postexercise inflammation. Twenty polo horses were assigned to different treatments: control group fed (n = 5) grain and hay, 3 treatment groups (n = 5) fed 10, 20, or 50 g/day of DHA with grain and free choice hay during 60 days. Horses underwent LT tests before start, 30, and 60 days of supplementation. Blood samples were taken at rest for blood cytokine expression (CEx), plasma cytokine enzyme-linked immunosorbent assay (CEL), fatty acid, vitamin E, and creatine kinase (CK) analysis, after LT for CEx analysis (interferon gamma, tumor necrosis factor alpha [TNF-α], interleukin-1 [IL-1], interleukin-6 [IL-6], interleukin-10 [IL-10]), CEL, and CK analysis. Effects of treatment, time, and exercise were analyzed by analysis of variance, significant results compared by least square means analysis, and significance set at P < .05. There was a dose-dependent increase in plasma DHA, and highest arachidonic acid was found in 20 and 50 g. Vitamin E was lowest in 20 and 50 g. LT did not change IL-6, downregulated IL-1 and TNF-α, upregulated IL-10, and interferon gamma. The 10 g led to postexercise downregulation of interferon gamma and IL-10 CEx compared to other treatments. A lack of antioxidants in the supplements may have led to the absence of treatment effects in the 20 and 50 g. 10 g DHA helped moderate postexercise inflammation.
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Affiliation(s)
- Tanja Hess
- Equine Sciences, Colorado State University, Fort Collins, CO.
| | - Stefanie Braun
- Equine Sciences, Colorado State University, Fort Collins, CO
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18
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Elghandour MM, Kanth Reddy PR, Salem AZ, Ranga Reddy PP, Hyder I, Barbabosa-Pliego A, Yasaswini D. Plant Bioactives and Extracts as Feed Additives in Horse Nutrition. J Equine Vet Sci 2018. [DOI: 10.1016/j.jevs.2018.06.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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19
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Jacobs RD, Ealy AD, Pennington PM, Pukazhenthi B, Warren LK, Wagner AL, Johnson AK, Hess TM, Knight JW, Splan RK. Dietary Supplementation of Algae-Derived Omega-3 Fatty Acids Influences Endometrial and Conceptus Transcript Profiles in Mares. J Equine Vet Sci 2018. [DOI: 10.1016/j.jevs.2017.08.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Marycz K, Michalak I, Kornicka K. Advanced nutritional and stem cells approaches to prevent equine metabolic syndrome. Res Vet Sci 2018; 118:115-125. [PMID: 29421480 DOI: 10.1016/j.rvsc.2018.01.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 01/16/2018] [Accepted: 01/18/2018] [Indexed: 12/25/2022]
Abstract
Horses metabolic disorders have become an important problem of modern veterinary medicine. Pathological obesity, insulin resistance and predisposition toward laminitis are associated with Equine Metabolic Syndrome (EMS). Based on pathogenesis of EMS, dietary and cell therapy management may significantly reduce development of this disorder. Special attention has been paid to the diet supplementation with highly bioavailable minerals and mesenchymal stem cells (MSC) which increase insulin sensitivity. In nutrition, there is a great interests in natural algae enriched via biosorption process with micro- and macroelements. In the case of cellular therapy, metabolic condition of engrafted cells may be crucial for the effectiveness of the therapy. Although, recent studies indicated on MSC deterioration in EMS individuals. Here, we described the combined nutritional and stem cells therapy for the EMS treatment. Moreover, we specified in details how EMS affects the adipose-derived stem cells (ASC) population. Presented here, combined kind of therapy- an innovative and cutting edge approach of metabolic disorders treatment may become a new gold standard in personalized veterinary medicine.
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Affiliation(s)
- Krzysztof Marycz
- Department of Experimental Biology, Wrocław University of Environmental and Life Sciences, 50-630 Wrocław, Poland; Wroclaw Research Centre EIT+, 54-066 Wrocław, Poland
| | - Izabela Michalak
- Department of Advanced Material Technologies, Faculty of Chemistry, Wrocław University of Science and Technology, Smoluchowskiego 25, 50-372 Wrocław, Poland
| | - Katarzyna Kornicka
- Department of Experimental Biology, Wrocław University of Environmental and Life Sciences, 50-630 Wrocław, Poland; Wroclaw Research Centre EIT+, 54-066 Wrocław, Poland.
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21
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Horse-meat for human consumption — Current research and future opportunities. Meat Sci 2015; 108:74-81. [DOI: 10.1016/j.meatsci.2015.05.006] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Revised: 05/01/2015] [Accepted: 05/12/2015] [Indexed: 11/22/2022]
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22
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Ross-Jones TN, McIlwraith CW, Kisiday JD, Hess TM, Hansen DK, Black J. Influence of an n-3 long-chain polyunsaturated fatty acid-enriched diet on experimentally induced synovitis in horses. J Anim Physiol Anim Nutr (Berl) 2015; 100:565-77. [PMID: 26189710 DOI: 10.1111/jpn.12359] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2014] [Accepted: 05/20/2015] [Indexed: 12/22/2022]
Abstract
Dietary n-3 long-chain polyunsaturated fatty acid (LCPUFA) supplementation has previously been shown to modify joint-related inflammation in several species, although information in the horse is lacking. We investigated whether dietary supplementation with n-3 LCPUFA would modify experimentally induced synovitis in horses. Twelve, skeletally mature, non-pregnant mares were randomly assigned to either a control diet (CONT) or an n-3 long-chain fatty acid-enriched treatment diet (N3FA) containing 40 g/day of n-3 LCPUFA for 91 days. Blood samples taken on days 0, 30, 60 and 90, and synovial fluid collected on days 0 and 90 were processed for lipid composition. On day 91, joint inflammation was stimulated using an intra-articular (IA) injection of 100 ng of recombinant equine IL-1beta (reIL-1β). Synovial fluid samples taken at post-injection hours (PIH) 0, 4, 8 and 24 were analysed for prostaglandin E2 (PGE2 ), matrix metalloproteinase (MMP) activity and routine cytology. Synovium and articular cartilage samples collected at PIH 8 were analysed for gene expression of MMP 1 and MMP 13, interleukin-1beta (IL-1β), cyclooxygenase 2 (COX-2), tumour necrosis factor-alpha and the aggrecanases, a disintegrin and metalloprotease with thrombospondin motifs (ADAMTS)-4 and ADAMTS-5. A 90-day feeding period of n-3 LCPUFA increased serum phospholipid and synovial fluid lipid compositions of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) compared to CONT horses. The reIL-1β injection caused an inflammatory response; however, there was no effect of dietary treatment on synovial fluid PGE2 content and MMP activity. Synovial tissue collected from N3FA horses exhibited lower expression of ADAMTS-4 compared to CONT horses. Despite the presence of EPA and DHA in the synovial fluid of N3FA horses, dietary n-3 LCPUFA supplementation did not modify synovial fluid biomarkers compared to CONT horses; however, the lower ADAMTS-4 mRNA expression in N3FA synovium warrants further investigation of n-3 LCPUFA as a joint therapy.
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Affiliation(s)
- T N Ross-Jones
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA
| | - C W McIlwraith
- Gail Holmes Equine Orthopaedic Research Center, Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA
| | - J D Kisiday
- Gail Holmes Equine Orthopaedic Research Center, Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA
| | - T M Hess
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA
| | - D K Hansen
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA
| | - J Black
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA.,Gail Holmes Equine Orthopaedic Research Center, Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA
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23
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Liu Y, Buendía-Rodríguez G, Peñuelas-Rívas CG, Tan Z, Rívas-Guevara M, Tenorio-Borroto E, Munteanu CR, Pazos A, González-Díaz H. Experimental and computational studies of fatty acid distribution networks. MOLECULAR BIOSYSTEMS 2015; 11:2964-77. [DOI: 10.1039/c5mb00325c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A new PT-LFER model is useful for predicting a distribution network in terms of specific fatty acid distribution.
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Affiliation(s)
- Yong Liu
- Faculty of Veterinary Medicine and Animal Science
- Autonomous University of the State of Mexico
- Toluca
- Mexico
- Key Laboratory of Subtropical Agro-ecological Engineering
| | - Germán Buendía-Rodríguez
- National Center for Disciplinary Research on Animal Physiology and Breeding
- National Institute of Forestry
- Agriculture and Livestock Research
- Queretaro
- Mexico
| | | | - Zhiliang Tan
- Key Laboratory of Subtropical Agro-ecological Engineering
- Institute of Subtropical Agriculture, the Chinese Academy of Sciences
- Changsha
- P. R. China
| | - María Rívas-Guevara
- Ethnobiology and Biodiversity Research Center
- Chapingo Autonomous University
- Texcoco
- Mexico
| | - Esvieta Tenorio-Borroto
- Faculty of Veterinary Medicine and Animal Science
- Autonomous University of the State of Mexico
- Toluca
- Mexico
| | | | | | - Humberto González-Díaz
- Department of Organic Chemistry II
- Faculty of Science and Technology
- University of the Basque Country UPV/EHU
- Leioa
- Spain
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Ross-Jones T, Hess T, Rexford J, Ahrens N, Engle T, Hansen DK. Effects of Omega-3 Long Chain Polyunsaturated Fatty Acid Supplementation on Equine Synovial Fluid Fatty Acid Composition and Prostaglandin E2. J Equine Vet Sci 2014. [DOI: 10.1016/j.jevs.2014.01.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Lum KK, Kim J, Lei XG. Dual potential of microalgae as a sustainable biofuel feedstock and animal feed. J Anim Sci Biotechnol 2013; 4:53. [PMID: 24359607 PMCID: PMC3881014 DOI: 10.1186/2049-1891-4-53] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Accepted: 12/18/2013] [Indexed: 12/25/2022] Open
Abstract
The rise in global population has led to explorations of alternative sources of energy and food. Because corn and soybean are staple food crops for humans, their common use as the main source of dietary energy and protein for food-producing animals directly competes with their allocation for human consumption. Alternatively, de-fatted marine microalgal biomass generated from the potential biofuel production may be a viable replacement of corn and soybean meal due to their high levels of protein, relatively well-balanced amino acid profiles, and rich contents of minerals and vitamins, along with unique bioactive compounds. Although the full-fatted (intact) microalgae represent the main source of omega-3 (n-3) polyunsaturated fatty acids including docohexaenoic acid (DHA) and eicosapentaenoic acid (EPA), the de-fatted microalgal biomass may still contain good amounts of these components for enriching DHA/EPA in eggs, meats, and milk. This review is written to highlight the necessity and potential of using the de-fatted microalgal biomass as a new generation of animal feed in helping address the global energy, food, and environmental issues. Nutritional feasibility and limitation of the biomass as the new feed ingredient for simple-stomached species are elaborated. Potential applications of the biomass for generating value-added animal products are also explored.
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Affiliation(s)
- Krystal K Lum
- Department of Animal Science, Cornell University, Ithaca, NY 14850, USA
| | - Jonggun Kim
- Department of Animal Science, Cornell University, Ithaca, NY 14850, USA
| | - Xin Gen Lei
- Department of Animal Science, Cornell University, Ithaca, NY 14850, USA
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