Corrigendum to “Changes in fermentation and animal performance during recovery from classical diet-induced milk fat depression using corn with differing rates of starch degradability” (J. Dairy Sci. 102:5079–5093)

Abstract

An error was noted in the reported values for total protozoa counts in Table 6 (page 5091). The corrected table (corrected values in bold) is shown below. A treatment effect followed the same pattern as reported previously but at P = 0.04 instead of P < 0.01.Table 6Protozoal populations of ruminal contents during recovery from diet-induced milk fat depression using a low degradable starch (LDS) or high degradable starch (HDS) dietProtozoa,1Estimated according to the methods of Dehority (1993). 104/mLTreatment (Trt)Day during recoverySEMP-value162228DayTrtTrt × dayTotalHDS82.8*81.7*75.2*1.52<0.010.04<0.01LDS71.673.670.0Entodinium spp.HDS77.3*Significantly different (P ≤ 0.05) at the given time point.76.4*Significantly different (P ≤ 0.05) at the given time point.69.8*Significantly different (P ≤ 0.05) at the given time point.1.37<0.010.020.04LDS66.868.765.4Epidinium spp.HDS1.021.010.810.23<0.010.130.37LDS0.870.940.68Diplodinium spp.HDS1.251.291.240.060.420.280.79LDS1.241.241.15Dasytricha spp.HDS1.161.201.210.690.110.270.63LDS1.151.251.22Isotricha spp.HDS0.97*Significantly different (P ≤ 0.05) at the given time point.0.791.170.770.450.890.63LDS0.800.790.85Orphryoscolex spp.HDS0.640.590.750.100.170.300.31LDS0.750.690.711 Estimated according to the methods of Dehority (1993).* Significantly different (P ≤ 0.05) at the given time point. Open table in a new tab The authors regret the error. Changes in fermentation and animal performance during recovery from classical diet-induced milk fat depression using corn with differing rates of starch degradabilityJournal of Dairy ScienceVol. 102Issue 6PreviewDiet-induced milk fat depression (MFD) is a multifactorial disorder that can be triggered by a variety of conditions. Feeding high amounts of starch and unsaturated fatty acids has been shown to reduce milk fat yield and composition, as well as alter ruminal biohydrogenation patterns. However, little is known about how starch degradability in the rumen influences recovery from diet-induced MFD and if production of milk fat–inhibiting isomers will persist following an episode of MFD. The objective of this study was to evaluate production performance and ruminal fermentation in cows recovering from MFD when corn with a low or high starch degradability is fed. Full-Text PDF Open Archive