Applied Animal Science最新文献

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"February" Cover “二月”封面
IF 1.4
Applied Animal Science Pub Date : 2025-02-01 DOI: 10.1016/S2590-2865(25)00005-9
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引用次数: 0
Call for Submissions 征集意见书
IF 1.4
Applied Animal Science Pub Date : 2025-02-01 DOI: 10.1016/S2590-2865(25)00010-2
{"title":"Call for Submissions","authors":"","doi":"10.1016/S2590-2865(25)00010-2","DOIUrl":"10.1016/S2590-2865(25)00010-2","url":null,"abstract":"","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"41 1","pages":"Pages iii-v"},"PeriodicalIF":1.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143139426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of initiating dietary narasin, at different production stages, on growth performance and carcass characteristics of growing-finishing pigs 不同生产阶段饲粮中添加纳拉西辛对生长肥育猪生长性能和胴体特性的影响
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2023-02515
Roger A. Arentson , Mark Knauer , Joe Gooding , Michael Shields , Scott N. Carr
{"title":"Effects of initiating dietary narasin, at different production stages, on growth performance and carcass characteristics of growing-finishing pigs","authors":"Roger A. Arentson ,&nbsp;Mark Knauer ,&nbsp;Joe Gooding ,&nbsp;Michael Shields ,&nbsp;Scott N. Carr","doi":"10.15232/aas.2023-02515","DOIUrl":"10.15232/aas.2023-02515","url":null,"abstract":"<div><h3>Objective</h3><div>Our objective was to determine the effects of initiating narasin, at different production stages, on growing-finishing pig performance.</div></div><div><h3>Materials and Methods</h3><div>In Exp. 1, 360 barrows (BW = 23.0 ± 0.13 kg) were used in a completely randomized design (45 pens; 15 replications) with 90-d treatments: (1) an unmedicated diet (CON), (2) 15 mg/kg narasin (NAR-90d), or (3) 11 mg/kg virginiamycin (VIR-90d). In Exp. 2, 480 barrows (BW = 26.3 ± 0.14 kg) were used in a completely randomized design (60 pens; 15 replications) with the following treatments: (1) unmedicated CON diet, (2) 15 mg/kg narasin (0 to 91 d; NAR-91d), (3) CON (0 to 56 d) followed by 15 mg/kg narasin fed from 56 to 91 d (NAR-35d), or (4) 27.6 mg/kg zinc bacitracin (0 to 91 d; ZB-91d). In Exp. 3, 416 barrows and gilts (BW = 84.3 ± 0.39 kg) were used in a randomized complete block design (52 pens; 26 replications) with 35-d treatments: (1) unmedicated CON diet or (2) NAR-35d.</div></div><div><h3>Results and Discussion</h3><div>In Exp. 1, pigs fed NAR-90d had greater BW (d 90) and ADG (d 0 to 90) compared with pigs fed the CON dietary treatment. The ADG of pigs fed NAR-90d were greater than those of pigs fed the CON treatment on d 0 to 28 and d 28 to 56 and VIR-90 on d 0 to 28. Pigs fed NAR-90d had greater hot carcass weights and yields than those fed CON or VIR-90d. In Exp. 2, pigs fed NAR-91d (d 0 to 56) and pigs fed NAR-35d (d 56 to 91) had greater ADG and ADFI than any of the other treatments. In Exp. 3, pigs fed NAR-35d had greater G:F than pigs fed the CON treatment.</div></div><div><h3>Implications and Applications</h3><div>Pigs fed narasin tended to have greater growth performance responses in the periods after first receiving narasin. However, when narasin is fed for the entire growing-finishing period, pigs may have carcass responses in some cases. Improvements in growth performance were realized whether narasin was initiated in the early grower or finishing phase.</div></div>","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Pages 770-782"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Perspectives and Commentary: Fat nutrition and metabolism of early-lactation dairy cows 展望与评论:泌乳早期奶牛的脂肪营养与代谢
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2024-02540
A.F. Kertz
{"title":"Perspectives and Commentary: Fat nutrition and metabolism of early-lactation dairy cows","authors":"A.F. Kertz","doi":"10.15232/aas.2024-02540","DOIUrl":"10.15232/aas.2024-02540","url":null,"abstract":"<div><h3>Purpose</h3><div>My objective was to review key factors involved in identifying and characterizing how dairy cows metabolize fat sources and their resultant effects on DMI, milk fat depression, and body condition, with emphasis on early lactation. Thus, short-term, mid-lactation studies were not included.</div></div><div><h3>Sources</h3><div>The main sources of information were peer-reviewed journal articles, some dairy nutrition conference proceedings, a monograph, several abstracts, a still pertinent periodical article (Lock and Bauman, 2007), and 50 yr of research and field experiences in this area.</div></div><div><h3>Synthesis</h3><div>Forms of fat, such as triglycerides or free fatty acids whether unsaturated or saturated, affect DMI, milk fat depression, and body condition. The more unsaturated that fatty acids (FA) are, especially the amount of linoleic acid, the more negatively these facets are affected.</div></div><div><h3>Conclusions and Applications</h3><div>Know what kinds of fat sources are being fed. What is the FA composition of feedstuffs fed and fat sources, especially the UFA and their levels? The more UFA sources there are, the more DMI and milk fat percentage may be negatively affected. Linoleic FA is a key marker for these negative effects, which may ensue if daily intake of linoleic acid is 300 to 400 g or more. This can be exacerbated by other factors such as low dietary forage levels, greater starch, wet forages, and finely chopped forages, which all contribute to lower rumen pH, which facilitates milk fat depression. Reduction in DMI is the major consideration when fat supplementation occurs, with digestibility of fat supplements being a secondary consideration. Either palmitic or stearic acid above 80%, but especially above 90%, in a fat supplement is of concern and may be less digestible because they can become more crystalline. This can also be a factor when physically blending these single sources together. However, if these 2 FA sources are melted and then prilled, this crystalline formation is not likely to occur. Palmitic and stearic acids melted together and then prilled incorporate the complementary benefits of both, potentially in ratios of 1:1 to 2:1, palmitic to stearic acid.</div></div>","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Pages 729-737"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Economic returns and market risk of extending days on feed for beef × dairy cross heifers 延长肉牛和奶牛杂交母牛饲喂天数的经济回报和市场风险
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2024-02616
C.S. Schmaltz , T.C. Schroeder , L.J. Walter , J.P. Hutcheson
{"title":"Economic returns and market risk of extending days on feed for beef × dairy cross heifers","authors":"C.S. Schmaltz ,&nbsp;T.C. Schroeder ,&nbsp;L.J. Walter ,&nbsp;J.P. Hutcheson","doi":"10.15232/aas.2024-02616","DOIUrl":"10.15232/aas.2024-02616","url":null,"abstract":"<div><h3>Objective</h3><div>Our objective was to estimate economic net returns and return risk for beef × dairy cross heifers as days on feed (DOF) are extended.</div></div><div><h3>Materials and Methods</h3><div>Cattle production information and carcass performance data were obtained from a recent publication detailing a beef × dairy heifer cross serial slaughter study. Before final implant date heifers were treated the same through the first 265 DOF. At terminal implant, heifers were randomized into 4 treatment groups. Treatment 1 was fed for 58 d after randomization; treatment 2 for 79 d; treatment 3 for 97 d; and treatment 4 for 120 d. Baseline budgets were constructed using 5-yr average prices. Scenarios varying prices and costs and risk analysis of price changes over extended DOF were analyzed.</div></div><div><h3>Results and Discussion</h3><div>Net returns varied in economically important ways as DOF were extended. In baseline scenario, treatment 1 had highest net return of $99.84/head (hd) and treatment 4 lowest return of $57.13/ hd. Changing feed cost, carcass base price, and QG adjustments generally did not alter ordering of net returns across DOF. With low feed prices or high carcass prices, extending DOF increased net returns in some scenarios. Sensitivity analysis changing prices revealed base carcass price was the dominant risk determinant representing &gt;90% of return risk. Return standard deviations ranged $69.06/hd for 3 wk extended DOF to $114.52/hd for 9 wk.</div></div><div><h3>Implications and Applications</h3><div>Extending DOF reduced net returns in the baseline. With different market conditions from baseline, extending DOF could increase returns. Market risk, especially carcass base price changes, was prevalent when extending DOF.</div></div>","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Pages 824-834"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Restricting bunk space allotments to 15 or 25 centimeters per head has minimal effects on growth performance in limit-fed growing beef heifers 将每头牛的铺位分配限制在 15 厘米或 25 厘米,对限饲生长肉用小母牛的生长性能影响甚微
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2024-02625
W. Cole Ellis, Zachary M. Duncan, Madeline S. Grant, William R. Hollenbeck, Evan C. Titgemeyer, Dale A. Blasi
{"title":"Restricting bunk space allotments to 15 or 25 centimeters per head has minimal effects on growth performance in limit-fed growing beef heifers","authors":"W. Cole Ellis,&nbsp;Zachary M. Duncan,&nbsp;Madeline S. Grant,&nbsp;William R. Hollenbeck,&nbsp;Evan C. Titgemeyer,&nbsp;Dale A. Blasi","doi":"10.15232/aas.2024-02625","DOIUrl":"10.15232/aas.2024-02625","url":null,"abstract":"<div><h3>Objective</h3><div>Our objective was to evaluate the effects of bunk allotment on growth performance of receiving beef heifers limit fed a diet based on high-energy corn and corn co-products, in pens that contained 18 to 28 heifers.</div></div><div><h3>Materials and Methods</h3><div>Beef heifers (291 ± 15.5 kg; n = 332) were used in a randomized complete block design. Heifers were blocked by origin, stratified by indi- vidual arrival weight, and assigned to pen within block. Pens were randomly assigned to 1 of 4 treatments, with 4 pens per treatment, that provided 15.2, 25.4, 35.6, or 45.7 cm of linear bunk per heifer. Heifers were limit fed a high- energy diet once daily at 2.0% of BW (DM basis) for 56 d. Individual BW were measured on d 0 and 56. Pen BW were measured weekly and used to adjust feed delivered for the following week.</div></div><div><h3>Results and Discussion</h3><div>Bunk allotments of 15.2, 25.4, 35.6, or 45.7 cm per heifer did not affect final BW, ADG, DMI, or G:F. At feeding, 43%, 62%, 79%, and 96% of heifers in the pen had access to the feed bunk when allotted 15.2, 25.4, 35.6, and 45.7 cm of linear bunk per heifer, respectively. The SD of ADG within the pen did not differ among feed bunk sizes.</div></div><div><h3>Implications and Applications</h3><div>Bunk allotments as low as 15.2 to 25.4 cm per heifer can be used without negatively influencing growth performance of growing beef heifers of about 290 to 360 kg of BW that are limit fed a high-energy diet at 2.0% of BW (DM basis) once daily in pens that contained 18 to 28 head.</div></div>","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Pages 818-823"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of extruded and expelled soybean meal as a partial replacement for dried distillers grains plus solubles in diets for finishing beef steers 膨化豆粕部分替代干酒糟和可溶物用于育肥肉牛饲粮的评价
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2024-02581
Zachary K. Smith, Becca B.G. Francis, Justin J. Delver, Forest L. Francis, Erin R. DeHaan, Thiago L.M. Ribeiro, Warren C. Rusche
{"title":"Evaluation of extruded and expelled soybean meal as a partial replacement for dried distillers grains plus solubles in diets for finishing beef steers","authors":"Zachary K. Smith,&nbsp;Becca B.G. Francis,&nbsp;Justin J. Delver,&nbsp;Forest L. Francis,&nbsp;Erin R. DeHaan,&nbsp;Thiago L.M. Ribeiro,&nbsp;Warren C. Rusche","doi":"10.15232/aas.2024-02581","DOIUrl":"10.15232/aas.2024-02581","url":null,"abstract":"<div><h3>Objective</h3><div>This study evaluated the use of extruded and expelled soybean meal (EESBM) as a partial replacement (30% or 60% replacement; DM basis) of dried distillers grains plus solubles (DDGS) in diets offered to finishing beef steers.</div></div><div><h3>Materials and Methods</h3><div>Steers (n = 144 steers; 399 ± 28.9 kg) were used in a 150-d finishing trial. Steers were group housed in 18 pens (n = 8 steers/pen) and allocated to one of 3 dietary treatments in a randomized complete block design (n = 6 pens/treatment). Treatments included (1) finishing diet that included 15% DDGS (DM basis; CON); (2) finishing diet that included 30% replacement (DM basis) of DDGS with EESBM (EESBM30), and (3) finishing diet that included 60% replacement (DM basis) of DDGS with EESBM (EESBM60). Steers were fed twice daily and managed for maximum intake using a slick bunk management approach.</div></div><div><h3>Results and Discussion</h3><div>Dry matter intake increased linearly when EESBM replaced DDGS. Average daily gain and gain efficiency (both live-basis shrunk 4% and from carcass-adjusted final BW), as well as hot carcass weight, increased linearly with greater inclusion of EESBM. No other carcass trait outcomes, nor the distribution of USDA YG and QG, lung scores, or liver health outcomes were influenced by dietary treatment.</div></div><div><h3>Implications and Applications</h3><div>Using EESBM in replacement of DDGS results in greater intake, efficiency, and final body and carcass weight with no detriment to carcass yield or quality.</div></div>","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Pages 751-759"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluating the influence of heritable, metabolic, and production variables on the postpartum estrus expression of Holstein cows in a voluntary milking system 在自愿挤奶系统中评估遗传、代谢和生产变量对荷斯坦奶牛产后发情表达的影响
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2024-02603
S.G. Johnson, T.M. Marins, S. Tao, J.F. Bohlen
{"title":"Evaluating the influence of heritable, metabolic, and production variables on the postpartum estrus expression of Holstein cows in a voluntary milking system","authors":"S.G. Johnson,&nbsp;T.M. Marins,&nbsp;S. Tao,&nbsp;J.F. Bohlen","doi":"10.15232/aas.2024-02603","DOIUrl":"10.15232/aas.2024-02603","url":null,"abstract":"<div><h3>Objective</h3><div>This observational study aimed to explore metabolic markers, nonesterified fatty acids (NEFA), glucose, insulin, and insulin resistance, alongside heritable fertility marker anti-Müllerian hormone (AMH), and their influence on postpartum estrus expression in a voluntary milking system (VMS).</div></div><div><h3>Materials and Methods</h3><div>Holstein cows (n = 95) were enrolled at 14 ± 3 DIM with blood samples taken weekly. All samples were analyzed for metabolic profiles of NEFA, glucose, and insulin until 49 ± 3 DIM. Insulin resistance was estimated at each time point using the Revised Quantitative Insulin Sensitivity Check Index (RQUICKI). Visits to the VMS and milk production data were collected on day of sampling and averaged with data from the preceding day and following day. Cows were fitted with DeLaval AM2 collars and monitored from calving until 100 DIM using DelPro Farm Manager. Both (++) (activity 5 SD above normal activity levels) and (+++) (activity 6 SD above normal activity levels) reproductive attentions in DelPro were used to identify an estrus event, with estrus intensity recorded. Cows were grouped by time to resumption of estrus expression, with the normal group (NG) having an estrus event on or before 45 DIM and the delayed group (DG) resuming beyond 45 DIM. Data were analyzed using the CORR and MIXED procedure of SAS.</div></div><div><h3>Results and Discussion</h3><div>Greater milk yield corresponded with increased VMS visits (r = 0.39). Blood glucose concentrations were greater for NG cows on d 35 and 42. Serum NEFA concentrations decreased in all animals over time. Insulin increased over time in all cows but did not differ between NG and DG cows. The RQUICKI did not change over time for either NG or DG cows. Estrus intensity was not different in NG (191% ± 6.6%) versus DG cows (179.1% ± 5.97%), and AMH was not different between NG (223.4 ± 28.62 pg/mL) and DG cows (217.6 ± 25.22 pg/mL).</div></div><div><h3>Implications and Applications</h3><div>Milk production and its association with glucose and VMS visits are key drivers for postpartum estrus expression of cows in a VMS.</div></div>","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Pages 783-790"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Effects of lubabegron removal on tissue concentration, calculated ammonia gas emissions, live performance, and carcass characteristics of beef steers” (Appl. Anim. Sci. 39:484–493) “去除润滑油对肉牛组织浓度、计算的氨气排放、活产性能和胴体特性的影响”(苹果公司)的更正。动画。Sci 39:484 - 493)。
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2024-40-6-0855
Gary J. Vogel, William C. Kayser, Michael C. Savides, Matt Edmonds, Nick Van Engen, Tracye M. Edwards, Janet B. Allen, Phillip J. Rincker, Ty E. Lawrence, Floyd K. McKeith, Scott E. Roland, G. Allen Bridges, K.D. Miller, Cory T. Herr
{"title":"Corrigendum to “Effects of lubabegron removal on tissue concentration, calculated ammonia gas emissions, live performance, and carcass characteristics of beef steers” (Appl. Anim. Sci. 39:484–493)","authors":"Gary J. Vogel,&nbsp;William C. Kayser,&nbsp;Michael C. Savides,&nbsp;Matt Edmonds,&nbsp;Nick Van Engen,&nbsp;Tracye M. Edwards,&nbsp;Janet B. Allen,&nbsp;Phillip J. Rincker,&nbsp;Ty E. Lawrence,&nbsp;Floyd K. McKeith,&nbsp;Scott E. Roland,&nbsp;G. Allen Bridges,&nbsp;K.D. Miller,&nbsp;Cory T. Herr","doi":"10.15232/aas.2024-40-6-0855","DOIUrl":"10.15232/aas.2024-40-6-0855","url":null,"abstract":"","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Page 855"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review: Mycotoxins in ruminant livestock production: An underestimated and overlooked risk and opportunity? 回顾:反刍家畜生产中的真菌毒素:被低估和忽视的风险和机遇?
IF 1.4
Applied Animal Science Pub Date : 2024-12-01 DOI: 10.15232/aas.2024-02602
Cathryn A. Bandyk
{"title":"Review: Mycotoxins in ruminant livestock production: An underestimated and overlooked risk and opportunity?","authors":"Cathryn A. Bandyk","doi":"10.15232/aas.2024-02602","DOIUrl":"10.15232/aas.2024-02602","url":null,"abstract":"<div><h3>Purpose</h3><div>This review summarizes currently available information relevant to potential risk and possible justi- fied response to mycotoxin exposure in ruminant livestock. Two basic questions are addressed: primarily, have my- cotoxins been underestimated or overlooked in ruminant production, and, if so, what remediations are practically available?</div></div><div><h3>Sources</h3><div>The information in this review came from scientific journals and professional meeting proceedings. Summary data from a proprietary company database are used to support relevant research findings.</div></div><div><h3>Synthesis</h3><div>Published literature supports the hypoth- esis that ruminant susceptibility to mycotoxin exposure poses a more significant hazard than historically assumed. Estimates of exposure have been restricted by testing pro- tocols and by failure to account for all potential toxin sources, additive and synergistic effects, and the effects of chronic low-level exposure. Mycotoxins can cause diverse short- and long-term negative outcomes with potential to reduce performance, efficiency, and health. Various my- cotoxin remediation products have been evaluated and employed. Although additional research is needed, it ap- pears that those combining proven, targeted sequestration agents with ingredients known to deactivate specific toxins or support the animal’s natural defense systems represent the most efficacious approach.</div></div><div><h3>Conclusions and Applications</h3><div>Continued improve- ment in mycotoxin awareness and management may allevi- ate a potential limiting factor in dairy and beef produc- tion. Broader assessment of actual animal exposure across a range of feeding programs and environments is needed to better understand mycotoxin hazards. Additional research should further clarify modes of action and metabolic im- pacts specific to ruminants, better quantify related production losses, and provide comparative assessments of specific remediation programs.</div></div>","PeriodicalId":8519,"journal":{"name":"Applied Animal Science","volume":"40 6","pages":"Pages 802-817"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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