Potential of Chemical Preservation and Improvement of Forages

Waldo, D.R.

doi:10.3168/jds.s0022-0302(77)83870-8

Cited by 63 publications

(36 citation statements)

References 32 publications

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“…Overall, when the data from 3 yr was considered, baling hay at moisture contents greater than 18% resulted in non-signif,rcant yield increase and improved (P < 0.05) field recovery. These yield and freld recovery data are similar to those of Waldo (1977) and are in contrast with those of Nelson et al (1989) where DM yield and leaf loss were not improved by baling at higher moisture.…”

supporting

confidence: 70%

Effects of microbial inoculant and moisture content on preservation and quality of round baled alfalfa

Mir¹,

Mir²,

Jan³

et al. 1995

Can. J. Anim. Sci.

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The effects of microbial inoculant and moisture content of alfalfa, stored as large round bales, on preservation and quality were examined in a 3-yr study. Alfalfa was round baled at 18, 45 and 60% moisture with 45 and 60% moisture bales stored in 23-m-long plastic tubes. At each moisture level, half the bales were treated with a microbial inoculant (Lactobacillus plantarum) during baling. All bales were weighed and sampled prior to storage (into storage) and prior to feeding (out of storage) with a core sampler. Field recovery and crude protein content of forage at 18% moisture were significantly lower than for forage at 45 and 60% moisture levels. ADF contents were decreased (P < 0.01) by moisture content in year 1, while the NDF contents were affected similarly in all the 3 yr. Storage recoveries were not affected by either moisture content or inoculant. Nutritive value of forages was evaluated, using completely randomized designs, in feeding trials with 96 steers and digestibility trials with 36 wethers. Dry matter intake by steers and nutrient digestibility in sheep were not affected (P < 0.05) by either moisture level or inoculant treatment. Feed conversion efficiencies and average daily gain of steers receiving 45 and 60% moisture forage were higher than for those fed 18% moisture forage. Results from this study indicated that harvesting alfalfa at 45 and 60% moisture as silage produced a better-quality product for steers than at 18% moisture dry hay and that treatment with microbial inoculant was not beneficial in preserving high moisture forage. Key words: Alfalfa, large round bales, inoculant, silage, steer, sheep, digestibility, hay

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supporting

confidence: 70%

Effects of microbial inoculant and moisture content on preservation and quality of round baled alfalfa

Mir¹,

Mir²,

Jan³

et al. 1995

Can. J. Anim. Sci.

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“…In this study 65% of the total N in the low OM silage was soluble compared with 45% in the wilted silages (Table 3). This may be associated with a reduction of dietary protein degradation from wilting (Waldo 1973), and responses have been greater to treated-protein supplementation than to energy supplementation. With lucerne silage, wilting caused a greater response than sugar supplementation to low OM silage (R. 1.…”

Section: Discussionmentioning

confidence: 99%

Effects of feeding various pasture silage supplements to grazing ewes

Rattray¹

1977

New Zealand Journal of Experimental Agriculture

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Groups of ewes (35/group) in a replicated experiment, grazing autumn pasture, were restricted to 1.5 kg OM/ewe/day on offer. They received either no supplement or 1 of 3 types of pasture silage made from the same original pasture, fed ad lib. for 44 days. The 3 silages were: low dry matter (OM), wilted, or wilted and chopped. The OM content of the non-wilted silage was 16.4% and that of the 2 wilted silages was 32.2%, Intakes of silage differed significantly and were 0.38, 0.71, and 0.99 kg OM/ewe/day, respectively. Pasture intakes for the unsupplemented grazing group and the 3 silage groups were 1.24, 1.05, 1.02, and 0.84 kg OM/ewe/day, respectively, resulting in 76.5, 71.9, 64.9, and 59.2% utilisation of available pasture. Fasted live-weight gains for the 4 groups were -15, 11, 50, and 83 g/day, respectively.

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“…It is well documented that the fermentation quality of low DM grass silage can be improved by FA based silage additives (Waldo 1977, Jaakkola et al 1991, Kung et al 2003) while with inoculants results have been more variable (Weinberg and Muck 1996, Pobednov et al 1997, Kung et al 2003. With the low DM grass silages the positive effects of inoculants on silage fermentation depend on the adequate amount of WSC (Anderson et al 1989) and often no effect compared to untreated has been observed with low initial WSC (e.g.…”

Section: Effect Of Treatments On Silage Fermentationmentioning

confidence: 99%

Effect of lactic acid bacteria inoculants, formic acid, potassium sorbate and sodium benzoate on fermentation quality and aerobic stability of wilted grass silage

Saarisalo¹,

Jalava²,

Skyttä³

et al. 2008

AFSci

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The efficiency of a novel strain of lactic acid bacteria inoculant (Lactobacillus plantarum VTT E-78076, E76) on the fermentation quality of wilted silage was studied. Furthermore, the possibility to improve aerobic stability of silages by combining an inoculant and chemical preservatives was investigated. Two experiments were conducted with wilted timothy-meadow fescue herbage (dry matter 429 and 344 g kg -1 ) using six treatments. In experiment I, E76 (10 6 cfu g -1 fresh matter (FM)) was applied alone and in combination with sodium benzoate (0.3 g kg -1 grass FM) or low rate of formic acid (0.4 l t -1 FM). In experiment II, E76 and a commercial inoculant were applied alone and in combination with sodium benzoate. Untreated silage and formic acid (4 l t -1 FM) treated silage served as negative and positive controls in both experiments. The effect of sodium benzoate and potassium sorbate in experiment I, on aerobic stability was tested by treating silages prior to aerobic stability measurements. The novel lactic acid bacteria inoculant was equally effective in improving fermentation quality as the commercial inoculant. However, the aerobic stability of both inoculated silages was poorer than that of formic acid treated or the untreated one in one of the experiments. The results suggested that antimicrobial properties of E76 were not effective enough to improve aerobic instability. One option to overcome this problem is to use chemical additives in combination with the inoculants.

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Potential of Chemical Preservation and Improvement of Forages

Cited by 63 publications

References 32 publications

Effects of microbial inoculant and moisture content on preservation and quality of round baled alfalfa

Effects of microbial inoculant and moisture content on preservation and quality of round baled alfalfa

Effects of feeding various pasture silage supplements to grazing ewes

Effect of lactic acid bacteria inoculants, formic acid, potassium sorbate and sodium benzoate on fermentation quality and aerobic stability of wilted grass silage

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