{"title":"Dietary gamma-oryzanol and vitamin E tocotrienols mitigate the negative impacts in laying hens reared under high stocking density.","authors":"Tossaporn Incharoen, Wirot Likittrakulwong, Riantong Singanusong, Rangsun Charoensook, Wandee Tartrakoon, Juan J Loor","doi":"10.5187/jast.2024.e73","DOIUrl":"10.5187/jast.2024.e73","url":null,"abstract":"<p><p>A completely randomized experiment with a 2 × 2 × 2 factorial arrangement of treatments was used to evaluate the effect of stocking density (low, 840 cm<sup>2</sup>/hen vs. high, 420 cm<sup>2</sup>/hen) and addition of 200 ppm gamma-oryzanol (GO), 200 ppm vitamin E tocotrienols (VE), or both on productivity, egg quality, and immune- and health-related mRNA abundance. Compared with laying hens housed at low stocking density, high stocking density during 54-62 weeks of age resulted in a significantly lower average daily feed intake and hen-day egg production. The supplementation of VE in the diet increased average egg weight and egg mass significantly (<i>p</i> < 0.05). However, improved feed conversion ratio and higher egg mass were detected in laying hens fed dietary GO (<i>p</i> < 0.05). A significant interaction of VE by GO supplementation on feed conversion ratio (<i>p</i> < 0.05) was observed. This was accompanied by an improved feed conversion ratio in laying hens reared under high stocking density. Except for eggshell breaking strength (<i>p</i> < 0.05), there was no main effect of dietary VE, GO and stocking density on any other egg quality parameters examined. This was associated with decreased eggshell breaking strength in laying hens reared under high stocking density, while eggshell hardness improved in hens fed dietary VE and GO. Among hens kept on a high stocking density, there was a decrease in 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) mRNA abundance in the VE group, while the highest interferon gamma (IFN-γ) mRNA abundance was detected in hens fed the GO diet (<i>p</i> < 0.05). Thus, the data suggested that dietary GO or VE at a level of 200 ppm, either individually or in combination, can improve egg productivity and eggshell hardness as well as regulate mRNA abundance of immune- and stress-related genes. We conclude that these dietary antioxidants should be part of a nutritional strategy to mitigate the negative impacts on laying hens reared under high stocking density conditions.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"758-772"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13266157/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148264354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jeong-Woong Park, Seon-Ae Choi, Jeong Won Kim, Jung-Hwan Ji, Kong-Min Kim, Jun-Kyung Park, Gui Hwan Han, Seonghun Im
{"title":"Anti-inflammatory effect of <i>Canis familiaris</i> (dog) gingival derived microorganisms on <i>Porphyromonas gingivalis</i> derived lipopolysaccharide treated RAW 264.7 macrophage.","authors":"Jeong-Woong Park, Seon-Ae Choi, Jeong Won Kim, Jung-Hwan Ji, Kong-Min Kim, Jun-Kyung Park, Gui Hwan Han, Seonghun Im","doi":"10.5187/jast.2025.e38","DOIUrl":"10.5187/jast.2025.e38","url":null,"abstract":"<p><p><i>Porphyromonas gingivalis</i> is recognized for its significant association with periodontal diseases, encompassing conditions like gingivitis and periodontitis. <i>P. gingivalis</i> infiltrates periodontal tissues, liberating diverse outer membrane vesicles, notably lipopolysaccharide (LPS). These vesicles serve as triggers for innate immune responses, fostering inflammation. For this reason, LPS is commonly studied in research as a key tool for exploring microbiome infection and colonization dynamics. In the present study, we discovered a <i>Canis familiaris</i> Canine derived novel microbiome associated with the reduction of PG-LPS. We identified <i>C. familiaris</i> Canine derived microbiome, and we cultured candidate effective microbiome. Subsequently, in order to investigate the PG-LPS reducing effects of the microbiome, we conducted RAW 264.7 macrophage culture. We validated the expression patterns of inflammation marker genes on microbiome treatment in PG-LPS induced RAW 264.7. As a result, concentration of Nitric oxide, which were used for inflammation markers were decreased by candidate microbiome treatment. In addition, inflammation marker genes (interleukin 1 beta [<i>IL1B</i>], interleukin 6 [<i>IL6</i>], and tumor necrosis factor alpha [<i>TNF-a</i>]) were down regulated in microbiome and LPS co-treatment while it was up-regulated in RAW 264.7 cell induced with LPS as control group, which suggested that the candidate microbiome may have reduced the inflammation, but the mechanism in which this would have been done is yet known. Further studies should focus on elucidating the mechanism associated with candidate microbiomes and Inflammation reduction.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"875-888"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13266149/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148264684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hyun Uk Cho, Seonmin Lee, So Eun Yeo, Seohyeon Jeon, Ki Ho Baek, Yun-Sang Choi, Hae In Yong
{"title":"Review of improving the microbiological safety of edible insects using thermal and non-thermal processing technologies.","authors":"Hyun Uk Cho, Seonmin Lee, So Eun Yeo, Seohyeon Jeon, Ki Ho Baek, Yun-Sang Choi, Hae In Yong","doi":"10.5187/jast.2500388","DOIUrl":"10.5187/jast.2500388","url":null,"abstract":"<p><p>Edible insects are a promising alternative protein sources in animal-based food and feed industry. However, they can pose a risk to consumer health owing to their potential biological hazards such as pathogens that can cause foodborne illnesses. In this study, the biological hazards of edible insects are considered. Thus, edible insects can be processed using conventional thermal processing or emerging non-thermal processing technologies to inactivate microorganisms. Thermal processing included blanching, boiling, steaming, roasting, and drying. Emerging nonthermal processing technologies, such as high-pressure processing, microfiltration, cold atmospheric pressure plasma, ultrasound, and irradiation can also be applied to edible insects. To ensure the microbiological safety of edible insects during processing, the Hazard Analysis and Critical Control Points (HACCP) model is necessary. Overall, applying appropriate antimicrobial technologies and the HACCP model to edible insect processing can ensure the microbiological safety of edible insects and contribute to further advancements in the insect industry.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"667-687"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13259822/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jinmu Ahn, Jin Ho Cho, Hyeun Bum Kim, Jinuk Nam, Kyeong Il Park, Yoon Tack Jang, Yujin Kim, Seungeun Lee, Sangwoo Park, Minho Song, Hyunjin Kyoung
{"title":"Effects of dietary xylanase supplementation on growth performance and gut health of weaned pigs fed a high non-starch polysaccharides diet.","authors":"Jinmu Ahn, Jin Ho Cho, Hyeun Bum Kim, Jinuk Nam, Kyeong Il Park, Yoon Tack Jang, Yujin Kim, Seungeun Lee, Sangwoo Park, Minho Song, Hyunjin Kyoung","doi":"10.5187/jast.2025.e32","DOIUrl":"10.5187/jast.2025.e32","url":null,"abstract":"<p><p>Non-starch polysaccharides (NSPs) in cereal grains can negatively affect the growth performance of early weaned pigs. Weaned pigs cannot digest NSPs due to a lack of endogenous enzymes. Feeds containing high levels of NSPs can decrease nutrient digestibility by increasing digesta viscosity and modulating the gut environment. Dietary xylanase (XYL) is used to increase nutrient utilization by degrading NSPs containing anti-nutritional factors. Therefore, this study was conducted to evaluate the effects of XYL on the high NSPs diet on growth performance, frequency of diarrhea, blood profiles, systemic immune responses, digesta characteristics, nutrient digestibility, and intestinal health parameters of weaned pigs. XYL improved (<i>p</i> < 0.05) the average daily gain (ADG) and gain to feed ratio from day 1 to 7 and day 1 to 14 compared with the control group (CON). Additionally, pigs fed XYL tended to have a higher (<i>p</i> = 0.098) ADG from day 8 to 14 than those fed CON. Pigs fed XYL tended to have a lower (<i>p</i> = 0.093) number of white blood cells on day 28 than those fed CON. The XYL group tended to increase (<i>p</i> = 0.088) digesta pH in the duodenum, but decreased digesta pH in the jejunum (<i>p</i> = 0.069) and cecum (<i>p</i> < 0.05) on day 28 compared with the CON. Pigs fed XYL had higher (<i>p</i> < 0.05) apparent total tract digestibility (ATTD) and apparent ileal digestibility of dry matter on day 28 than those fed CON. Additionally, the XYL group tended to improve ATTD of energy (<i>p</i> = 0.083) and crude protein (<i>p</i> = 0.082) compared with the CON. Dietary XYL decreased concentrations of tumor necrosis factor-α (<i>p</i> < 0.05), immunoglobulin G (<i>p</i> = 0.066), malondialdehyde (<i>p</i> = 0.070) in jejunal mucosa compared with CON. In conclusion, supplementation of high NSPs diet with XYL enhanced the growth performance of weaned pigs by enhancing nutrient digestibility through the modulation of the intestinal environment.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"841-856"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13260160/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Danggui Buxue decoction protects against lipopolysaccharides-induced mastitis in bovine mammary epithelial cells <i>in vitro</i>.","authors":"Jiamian Wang, Yujin Gao, Chen Cheng, Yina Li, Xijun Zhang, Dan Yao, Yong Zhang","doi":"10.5187/jast.2024.e63","DOIUrl":"10.5187/jast.2024.e63","url":null,"abstract":"<p><p>Bovine mastitis is a prevalent and recurring disease in dairy farming. Danggui Buxue decoction (DBD) possesses significant anti-inflammatory, antioxidative stress, and immune system regulatory effects. However, its application in the clinical prevention and treatment of bovine mastitis has not been explored. This study aimed to assess the effectiveness and mechanism of DBD on bovine mastitis through an <i>in vitro</i> model using lipopolysaccharide (LPS)-stimulated bovine mammary epithelial cells (BMECs). LPS stimulation led to increased expression of inflammatory markers (TNF-α, IL-1β, IL-6, and IL-8), damage indicators (BNBD5, GM-CSF, CCL2, and GADD-45α), and oxidative stress markers (COX-2, PPARγ, and iNOS) in the BMECs. Conversely, treatment with DBD counteracted these effects. Additionally, a lactate dehydrogenase release assay indicated that DBD diminished the cellular damage caused by LPS. The total antioxidant capacity, glutathione, superoxide dismutase, malondialdehyde, nitric oxide content assay, and reactive oxygen species staining demonstrated that DBD mitigated cellular oxidative stress triggered by LPS. Moreover, DBD suppressed the mRNA and protein expression of toll-like receptor 4 and NF-κB. These results imply that DBD exerts anti-inflammatory, wound healing, and antioxidative stress effects on BMECs following LPS exposure, suggesting its potential as an effective treatment for bovine mastitis.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"724-742"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13260098/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jun Hwi So, Byung Hyun Ju, Sung Yong Joe, Youngbok Ko, Soojin Jun, Min Kyu Kim, Seung Hyun Lee
{"title":"Development of an oscillating magnetic field-assisted supercooling system for bovine embryo preservation.","authors":"Jun Hwi So, Byung Hyun Ju, Sung Yong Joe, Youngbok Ko, Soojin Jun, Min Kyu Kim, Seung Hyun Lee","doi":"10.5187/jast.2500457","DOIUrl":"10.5187/jast.2500457","url":null,"abstract":"<p><p><i>In-vitro</i>-produced embryos have become an important biomaterial for accelerating genetic improvements in livestock, increasing the need for reliable short- and mid-term preservation strategies. This study was conducted to investigate the effects of oscillating-magnetic-field-assisted supercooling on the survival of bovine <i>in vitro</i> fertilization embryos. A supercooling preservation system combining Helmholtz-type coils with a precise circulating cooling chamber was designed and fabricated to maintain the embryos in a uniform supercooled state. Blastocyst-stage embryos were preserved at -4°C in a hypothermic preservation medium under exposure to an oscillating magnetic field of 10 Hz with flux densities ranging from 0 to 20 mT. The preservation medium remained stably supercooled at -4°C without freezing under all magnetic field conditions, and the magnetic flux density did not alter the cooling behavior. The embryos were preserved for 24 h and subsequently cultured for an additional 24 h to assess their post-preservation viability. Survival rates were higher in all magnetic field groups than in the control group (0 mT), with values of 48.66% (0 mT), 60.07% (5 mT), 62.85% (10 mT), 75.69% (15 mT), and 68.96% (20 mT). Notably, the 15 mT group exhibited the highest survival rate, showing a significant improvement over the control. Although the magnetic field did not affect the supercooling characteristics of the preservation solution, it markedly enhanced embryo survival at -4°C. The results demonstrated that the application of an oscillating magnetic field did not disrupt the stability of the supercooled state while also improving cellular tolerance to low-temperature stress. These findings provide a promising foundation on which to develop magnetic-field-based non-freezing preservation technologies for biological specimens.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"743-757"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13260037/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A review of animal-assisted therapy for older adults in Korea: effects on depression and cognitive function and implications for practice.","authors":"Taeyoung Kil, Minkyu Kim","doi":"10.5187/jast.2600115","DOIUrl":"10.5187/jast.2600115","url":null,"abstract":"<p><p>This review aimed to identify effective animal-assisted therapy (AAT) programs for older adults and to evaluate their practical and policy applications by analyzing assessment tools for depression and cognitive function. Korea became a super-aged society in 2025, with individuals aged 65 years and older accounting for more than 20% of the population. Mental health problems, including cognitive decline, depression, and dementia, have emerged as major social challenges. In response, AAT is increasingly used as a preventive and therapeutic intervention. Canine-assisted AAT reduced depression by promoting emotional bonding, social interaction, and physical activity. It also enhanced emotional stability by increasing oxytocin levels. In addition, AAT improved cognitive functions such as attention, memory, and language ability, even in older adults with mild cognitive impairment and dementia. Assessment tools including the mini-mental state examination, montreal cognitive assessment, Addenbrooke's cognitive examination III, and geriatric depression scale-Korean version have been widely used to measure these changes. Overall, AAT is an effective non-pharmacological intervention that improves cognitive, emotional, and social functions in older adults. Therefore, these findings support its preventive and clinical applications.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"688-702"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13259786/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Madesh Muniyappan, Sureshkumar Shanmugam, Shiqi Wang, Long Yuan, Cuipeng Zhu, Yanli Zhu, Haoyu Liu, Demin Cai, In Ho Kim
{"title":"Dietary fermented soybean meal in swine nutrition and effects on regulation of gut health, immune system and environment: a review.","authors":"Madesh Muniyappan, Sureshkumar Shanmugam, Shiqi Wang, Long Yuan, Cuipeng Zhu, Yanli Zhu, Haoyu Liu, Demin Cai, In Ho Kim","doi":"10.5187/jast.2500101","DOIUrl":"10.5187/jast.2500101","url":null,"abstract":"<p><p>In swine diets, fermented soybean meal (FSBM) has become a viable substitute for conventional soybean meal, providing advantages for immune system performance, gastrointestinal health, and environmental effect. This review summarises the data showing that FSBM: improves growth performance by raising the feed conversion ratio by 5%-10% and the average daily gain in weaned piglets by 8%-15% as a result of increased nutrient bioavailability. Improves gut health by increasing populations of good bacteria (e.g., <i>Lactobacillus</i> spp. ↑ 25%-40%) and altering intestinal architecture, such as increasing villus height by 20%-30% and decreasing crypt depth by 10%-20%. Enhances mucosal immunity (e.g., IgA ↑ 20%-35%) and reduces pro-inflammatory cytokines (e.g., TNF-α ↓ 15%-25%) to support immunological function. Contributes to sustainable pig production by reducing environmental effect by 10%-20% via nitrogen excretion and 15%-30% through ammonia emissions. Pig farmers may improve herd health, performance, and environmental impact by substituting FSBM for traditional soybean meal.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"645-666"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13259783/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sarbani Biswas, Min Hee Kim, Sungbo Cho, In Ho Kim
{"title":"Impact of zinc oxide levels and probiotic supplementation in weaning-to-finishing pig diets: productivity, gut microbial composition, and environmental implications.","authors":"Sarbani Biswas, Min Hee Kim, Sungbo Cho, In Ho Kim","doi":"10.5187/jast.2025.e33","DOIUrl":"10.5187/jast.2025.e33","url":null,"abstract":"<p><p>The study aimed to assess the impact of dietary zinc oxide (ZnO) combined with probiotic supplementation on the performance, fecal characteristics, meat quality, noxious gas emissions, and microbiome composition in weaning-to-finishing pigs. The experiment was conducted using 200 weaned pigs (3 barrows and 2 gilts per pen) with an average body weight of 6.65 ± 0.66 kg, randomly distributed across four treatments, each repeated ten times. The dietary treatments were: 1) TRT1, basal diet + ZnO 75 ppm; 2) TRT2, basal diet + ZnO 75 ppm + probiotic 0.3% → basal diet + ZnO 75 ppm + probiotic 0.1% → basal diet + ZnO 75 ppm + probiotic 0.1%; 3) TRT3, basal diet + ZnO 2,500 ppm → basal diet + ZnO 2,500 ppm → basal diet + ZnO 75 ppm; 4) TRT4, basal diet + ZnO 2,500 ppm + probiotic 0.3% → basal diet + ZnO 2,500 ppm + probiotic 0.1% → basal diet + ZnO 75 ppm + probiotic 0.1%, TRT1 was consistent for all and variations in ZnO and probiotic doses in TRT2, TRT3, and TRT4 were applied phase-wise (weaning → growing → finishing). The treatment groups supplemented with probiotics (TRT2 and TRT4) exhibited significantly higher (<i>p</i> < 0.05) body weight and average daily gain at weeks 18 and 22, as well as increased (<i>p</i> < 0.05) average daily feed intake over the entire period compared to the TRT1 and TRT3 group. Additionally, these groups showed a marked reduction (<i>p</i> < 0.05) in NH<sub>3</sub> and H<sub>2</sub>S emissions at weeks 18 and 22. Although no significant changes (<i>p</i> > 0.05) were observed in fecal scores or meat quality, ZnO with probiotic supplementation significantly increased (<i>p</i> < 0.05) gut microbiota diversity (alpha and beta), enhanced the abundance of beneficial bacteria such as <i>Firmicutes</i>, <i>Prevotella</i>, and <i>Lactobacillus</i>, and reduced pathogenic bacteria like <i>Clostridium sensu</i> stricto 1. Taxonomic analysis also revealed significant changes (<i>p</i> < 0.05) in bacterial composition. These findings demonstrate that combining probiotics with lower ZnO levels enhances growth performance, gut microbial composition, and environmental sustainability by reducing noxious gas emissions. This study highlights the potential of probiotic supplementation as a strategy to minimize reliance on high-dose ZnO while improving swine production efficiency and environmental impact.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 3","pages":"814-840"},"PeriodicalIF":3.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13259953/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Unlocking the nutritional benefits of dietary fiber in sow feed: a short review.","authors":"Vetriselvi Sampath, Joon Pyo Oh, In Ho Kim","doi":"10.5187/jast.2025.e9","DOIUrl":"10.5187/jast.2025.e9","url":null,"abstract":"<p><p>Dietary fiber is a critical nutrient in sow diet and was addressed in several studies in the past decades. It plays a key role in improving digestive health, supporting metabolic functions, and enhancing the overall well-being of sows. Fiber, a plant-based feed ingredient is classified into soluble and insoluble fibers. Soluble fibers, such as pectin, dissolve in water and can form gels, influencing the fermentation process in the gut. Insoluble fibers, like cellulose, do not dissolve in water and contribute to the bulk of fecal matter, promoting intestinal motility. In sow nutrition, dietary fiber has been shown to offer several benefits. High-fiber diets are associated with better satiety which help to reduce constipation and support the digestive tract by enhancing gastrointestinal health. Despite the positive evidence, the practical application of fiber in sow nutrition has neither been clearly defined, nor have specific recommendations. The lack of information about fiber requirements is due to the insufficient characterization of its components in available ingredients and thus this review aims to examine the nutritional benefits of fiber in sow diets by emphasizing its importance in optimizing productivity through its effects on nutrient utilization and overall health.</p>","PeriodicalId":14923,"journal":{"name":"Journal of Animal Science and Technology","volume":"68 2","pages":"389-398"},"PeriodicalIF":3.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13071687/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147690192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}