Meta-analysis: Effect of corn silage harvest practices on intake, digestion, and milk production by dairy cows

Ferraretto, L.F.; Shaver, R.D.

doi:10.15232/s1080-7446(15)30334-x

Cited by 61 publications

(88 citation statements)

References 49 publications

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“…Maturity of feed grains at harvest also plays an important role in starch digestibility in livestock. In a review of literature, Ferraretto and Shaver observed lower total‐tract starch digestibility when lactating dairy cows were fed whole‐plant MS harvested with advanced maturity (>40% DM). Likewise, advanced maturity at harvest has been demonstrated to negatively impact in vitro and in vivo starch digestibility of ensiled maize .…”

Section: Factors Affecting Starch Digestion Potential In Feedstuffsmentioning

confidence: 99%

Factors affecting starch utilization in large animal food production system: A review

et al. 2013

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Dietary starch from feed grains represent the major energy-yielding sources in diets for large animals and starch effective digestion has a great impact on animal energy intake for meeting the substantial energy requirement to improve meat or milk productions. In general, site, extent and rate of starch digestion are affected by intrinsic and external factors that can be interrelated and are thus not easily defined. As a consequence, research to obtain a deeper knowledge on how starch chemical and structural compositions may affect starch digestion potential of feed grains and therefore their nutritional value has progressed recently. The objectives of this review are: (1) to give an overview on inherent starch primary structures and interactions with other compounds within feed grains; (2) to discuss factors affecting starch digestion potential in feed grains; (3) to explore starch digestion mechanism, and linkages with animal performances, both for swine and ruminants. The criticism of methods commonly used to estimate starch digestibility from feed grains for swine and ruminants are also discussed.

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Section: Factors Affecting Starch Digestion Potential In Feedstuffsmentioning

confidence: 99%

Factors affecting starch utilization in large animal food production system: A review

et al. 2013

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“…Thus, increasing starch and NDF digestibility of WPCS may improve lactation performance by dairy cows fed corn silage-based diets (Oba and Allen, 1999;Ferraretto and Shaver, 2012b). The digestibility of starch in WPCS is influenced by a starchprotein matrix (Kotarski et al, 1992), which restricts digestion by microorganisms in the rumen (McAllister et al, 1993), whereas NDF digestibility is limited primarily by the cross-linking of lignin to other fibrous components (Jung et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, WPCS hybrids selection for enhanced starch digestibility may improve milk production per area of crop produced and thereby profitability of dairy farms. Improvements in NDF digestibility through varying harvest practices are possible but inconsistent or minimal (Ferraretto and Shaver, 2012b). However, selection of WPCS hybrids for high NDF digestibility, brown midrib (BMR) hybrids in particular, has improved lactation performance by dairy cows (Oba and Allen, 2000a,b).…”

Section: Introductionmentioning

confidence: 99%

Effect of corn silage hybrids differing in starch and neutral detergent fiber digestibility on lactation performance and total-tract nutrient digestibility by dairy cows

Ferraretto

Fonseca

Sniffen³

et al. 2015

Journal of Dairy Science

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Selection for hybrids with greater starch and NDF digestibility may be beneficial for dairy producers. The objective of this study was to determine the effect of feeding a TMR containing a floury-leafy corn silage hybrid (LFY) compared with a brown midrib corn silage hybrid (BMR) for intake, lactation performance, and total-tract nutrient digestibility in dairy cows. Ninety-six multiparous Holstein cows, 105±31d in milk at trial initiation, were stratified by DIM and randomly assigned to 12 pens of 8 cows each. Pens were randomly assigned to 1 of 2 treatments, BMR or LFY, in a completely randomized design; a 2-wk covariate period with cows fed a common diet followed by a 14-wk treatment period with cows fed their assigned treatment diet. Starch digestibilities, in situ, in vitro, and in vivo, were greater for LFY compared with BMR; the opposite was observed for NDF digestibility. Cows fed BMR consumed 1.7kg/d more dry matter than LFY. Although, actual-, energy-, and solids-corrected milk yields were greater for BMR than LFY, feed conversions (kg of milk or component-corrected milk per kg of DMI) did not differ. Fat-corrected milk and milk fat yield were similar, as milk fat content was greater for cows fed LFY (4.05%) than BMR (3.83%). Cows fed BMR had lower milk urea nitrogen concentration, but greater milk protein and lactose yields compared with LFY. Body weight change and condition score were unaffected by treatment. Total-tract starch digestibility was greater for cows fed the LFY corn silage; however, dry matter intake and milk and protein yields were greater for cows fed the BMR corn silage. Although total-tract starch digestibility was greater for cows fed the LFY corn silage, feed efficiency was not affected by hybrid type due to greater dry matter intake and milk and protein yields by cows fed the BMR corn silage.

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“…Some of these were based on concentrations of chemical constituents, such as fibre and starch, with or without the use of digestibility evaluations . Others were developed taking into account the physical characteristics of ensiled crops, such as forage fragility, length of silage cut or kernel processing …”

Section: Introductionmentioning

confidence: 99%

“…6 -10 Others were developed taking into account the physical characteristics of ensiled crops, such as forage fragility, length of silage cut or kernel processing. 11,12 A further aspect related to the evaluation of corn silage is its fermentation quality. As stated by Woolford, 13 silage fermentation quality denotes the success of various ensiling phases, such as the aerobic, fermentation, stable, feed-out or aerobic spoilage phases.…”

Section: Introductionmentioning

confidence: 99%

Use of principal factor analysis to generate a corn silage fermentative quality index to rank well‐ or poorly preserved forages

et al. 2015

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Meta-analysis: Effect of corn silage harvest practices on intake, digestion, and milk production by dairy cows

Cited by 61 publications

References 49 publications

Factors affecting starch utilization in large animal food production system: A review

Factors affecting starch utilization in large animal food production system: A review

Effect of corn silage hybrids differing in starch and neutral detergent fiber digestibility on lactation performance and total-tract nutrient digestibility by dairy cows

Use of principal factor analysis to generate a corn silage fermentative quality index to rank well‐ or poorly preserved forages

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