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| 1 | Effects of feeding flaxseed or sunflower-seed in high-forage diets on beef produc- tion, quality and fatty acid composition 显示文摘 | Mapiye C Aalhus J L Turner T D | 2013 | Meat Science2013，95，1： | 1 |
| 2 | Continuous ambulatory peritoneal dialysis in limpopo province, south africa: predictors of patient and technique survival显示文摘 | Isla RA Mapiye D Swanepoel CR | 2014 | Perit Dial Int2014，34，5： | 1 |
| 3 | Improving beef hamburger quality and fatty acid profiles through dietary manipulation and exploitation of fat depot heterogeneity显示文摘Background:Hamburger is the most consumed beef product in North America,but lacks in nutritional appeal due to its high fat content and high proportion of saturated fatty acids(SFA).Objectives of the present study were to improve the FA profiles of hamburgers made with perirenal fat(PRF) and subcutaneous fat(SCF) when feeding steers different diets along with examining differences in sensory attributes and oxidative stability.Diets included a control diet containing 70:30 red clover silage:barley based concentrate,a diet containing sunflower-seed(SS)substituted for barley,and diets containing SS with 15%wheat dried distillers' grain with solubles(DDGS-15) or30%DDGS(DDGS-30).Hamburgers were made from triceps brachii and either PRF or SCF(80:20 w/w).Results:Perirenal fat versus SCF hamburgers FA had 14.3%more(P <0.05) 18:0,11.8%less cis(c)9-18:1(P <0.05),and 1.82%more total trans(f)-18:1 mainly in the form of t11-18:1.During sensory evaluation,PRF versus SCF hamburgers had greater(P <0.05) mouth coating,but the difference was less than one panel unit.Examining effects of steer diet within PRF hamburgers,feeding the SS compared to the control diet increased(P <0.05) t-18:1by 2.89%mainly in the form of t11-18:1,feeding DGGS-15 diet led to no further changes(P >0.05),but feeding DDGS-30 diet reduced the proportions of(P <0.05) of f-18:l chiefly t11-18:1.Feeding SS and DDGS diets had small but significant(P <0.05) effects on hamburger sensory attributes and oxidative stability.Conclusions:Feeding high-forage diets including SS and 15%DDGS,and taking advantage of the FA heterogeneity between fat depots offers an opportunity to differentially enhance beef hamburgers with 18:2n-6 biohydrogenation products(i.e.,t11-18:1) with potential human health benefits without compromising their sensory attributes and oxidative stability during retail display. | Cletos Mapiye Jennifer L Aalhus Payam Vahmani David C Rolland Timothy A McAllister Hushton C Block Bethany Uttaro Spencer D Proctor Michael E R Dugan | 2015 | Journal of Animal Science and Biotechnology2015，6，1： | 0 |
| 4 | Subcutaneous fatty acid composition of steers finished as weanlings or yearlings with and without growth promotants显示文摘Background: The current study evaluated the subcutaneous fatty acid(FA) composition of calf- and yearling-fed stee with or without growth promoting implants. Crossbred steers(n = 112; 267 ± 5.0 kg) of the same contemporary group were allocated to one of four production system and implant strategy based treatments in a completely randomized design with a 2 × 2 factorial arrangement of treatments.Results: There were no interactions(P > 0.05) between production systems and growth promoting implants for the total and individual subcutaneous FA. Yearling as opposed to calf finishing reduced(P < 0.05) subcutaneous proportions of C20:3n-6, trans(t)12-18:1, C14:0, several minor cis-monounsaturated FA(c-MUFA; c9-14:1, c11-16:1,c11-18:1, c12-18:1, c13-18:1, c9-20:1 and c11-20:1), and increased(P < 0.05) subcutaneous proportions of t11c15-18:2,total and individual branched-chain FA. Subcutaneous fat from steers implanted with growth promotants had higher(P < 0.05) proportions of total polyunsaturated FA(PUFA), total n-6 PUFA, C18:2n-6 and individual t-18:1isomers(t6 to t10) compared to non-implanted steers.Conclusions: Overall, current findings show that production systems and growth promotants led to only minor differences in subcutaneous FA composition of beef steers. | Cletos Mapiye Tyler D Turner John A Basarab Vern S Baron Jennifer L Aalhus Michael ER Dugan | 2014 | Journal of Animal Science and Biotechnology2014，5，1： | 0 |
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