Concentrate Mixture, Grass Pellets, Fodder Beets, or Barley as Supplements to Silage ad libitum for High-yielding Dairy Cows on Organic Farms

Mogensen, Lisbeth; Kristensen, Troels

doi:10.1080/09064700310019073

Cited by 6 publications

(6 citation statements)

References 27 publications

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“…Other trials have compared different carbohydrate sources in dairy cow diets 3,4,[17][18][19] . However, surveys comparing grain and maize silage as supplements are rare.…”

Section: Resultsmentioning

confidence: 99%

“…Several studies have examined the supplementation of protein-rich forages (pasture, grass silage and legume silage) with maize silage 14 – 16 . Other trials have compared different carbohydrate sources in dairy cow diets 3 , 4 , 17 – 19 . However, surveys comparing grain and maize silage as supplements are rare.…”

Section: Resultsmentioning

confidence: 99%

“…However, in sustainable agriculture systems, feeding grain must be viewed critically with regard to amount of forage utilization, intact nutrient cycles and the use of potential human food in animal feeding. Therefore, in the past decade, several studies examined alternatives to grain such as fodder beets, beet pulp, whole crop silages, maize silage or energy-rich by-products [3][4][5][6][7] . A nutritional consequence when substituting cereals is that starch is replaced by other carbohydrate sources.…”

Section: Introductionmentioning

confidence: 99%

“…2 N in milk in % of N intake 3. (NEL intake forage -NEL requirement maintenance )/NEL requirement kg -1 milk 4. Intake as a percentage of requirements for maintenance and milk production.…”

mentioning

confidence: 99%

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Maize silage as an energy supplement in organic dairy cow rations

Velik¹,

Baumung²,

Knaus³

2008

Renew. Agric. Food Syst.

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The literature implicates strongly that including energy supplements in dairy rations based on protein-rich forages increases performance and feed efficiency due to an improved and more balanced ruminal energy and protein supply. Therefore, both conventional and organic dairy farms primarily supplement roughages with concentrates, containing high proportions of cereal grains. However, considering the main principles of sustainable agricultural systems and nutrient cycles, the question of alternatives is raised. Therefore, the present study was conducted to compare grain and maize silage as energy sources in organic dairy cow rations. Two grass-clover silage-based diets, offered on an ad libitum basis, were supplemented either with 1 kg grain mixture plus 0.5 kg hay (treatment group G) or 2.1 kg maize silage (treatment group M) on a dry matter (DM) basis. The trial was carried out as a change-over design and lasted for 15 weeks. Intake of concentrates, DM and utilizable crude protein in the duodenum (uCP) were similar in both treatments. However, significant differences between treatments G and M were found for grass-clover silage dry matter intake (DMI) (13.4 versus 12.9 kg), forage DMI (14.6 versus 15.7 kg), crude protein (CP) intake (2885 versus 2801 g), ruminal nitrogen balance (RNB) (40 versus 29 g) and intake of neutral detergent fiber (NDF) (7630 versus 7900 g). Milk yield was not affected by treatment, but in treatment M, milk fat content was at 42.4 g kg -1 , significantly higher, and milk urea concentration at 19.7 mg 100 ml -1 , significantly lower, as compared with treatment G. Efficiency of N use (N in milk in % of N intake) tended to be improved in treatment M. Balances of energy and uCP (intake as a percentage of requirements) were unaffected by treatment.

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“…Other trials have compared different carbohydrate sources in dairy cow diets 3,4,[17][18][19] . However, surveys comparing grain and maize silage as supplements are rare.…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…2 N in milk in % of N intake 3. (NEL intake forage -NEL requirement maintenance )/NEL requirement kg -1 milk 4. Intake as a percentage of requirements for maintenance and milk production.…”

mentioning

confidence: 99%

See 2 more Smart Citations

Maize silage as an energy supplement in organic dairy cow rations

Velik¹,

Baumung²,

Knaus³

2008

Renew. Agric. Food Syst.

View full text Add to dashboard Cite

show abstract

“…Normally, beets are cleaned of external soil, but if this step is omitted, ash levels will increase depending upon the amount of soil that may remain on the beets [18]. …”

Section: Introductionmentioning

confidence: 99%

Review: Sugar beets as a substitute for grain for lactating dairy cattle

Evans¹,

Messerschmidt

2017

J Animal Sci Biotechnol

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Dairy cows are customarily given grains and highly digestible byproduct ingredients as additions to forage to support milk production. In many parts of the world growing seasons are short, and the grain crops that can be grown may not provide adequate yields. Sugar beets, on the other hand are relatively hardy, and dry matter yields surpass the yields of most grain crops. There are however, perceptions that beets may not be suitable as a feed ingredient due to the fact that the storage form of carbohydrate is sugar rather than starch. With little analytical support, sugar has been rejected in many feeding programs with the view that sugar reduces rumen pH, fiber digestion and microbial yield. This review explores available facts revolving around these concerns. Information regarding the feeding of sugar beets is provided and the use of sugar beets as a partial replacement for grain is proposed.

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Multi‐criteria assessment of yellow, green, and woody biomasses: pre‐screening of potential biomasses as feedstocks for biorefineries

Parajuli

Knudsen

Dalgaard

2015

Biofuels Bioprod Bioref

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The need for sustainable production of food, feed, and fuel for a growing global population with minimum pressure on land use and other ecological impacts is a major challenge. The aim of the current study is to pre-screen available biomass types to prepare for a system-wide sustainability assessment in related biorefi nery value chains. The study describes the use of multiple-criteria decision-making techniques as tools for assessing criteria and to draw preferences among the alternatives. Thirteen biomass types (classifi ed as yellow, green, and woody) are evaluated with respect to 15 criteria. The criteria are classifi ed under the three assessment parameters: supply potential, biomass properties, and potential environmental gain/losses. Pair-wise comparisons of the alternatives are carried out in an outranking method (PROMETHEE) on the basis of their ratings (on a 1-5 scale) and weights assigned to the criteria. Weighting factors of the criteria are calculated by using the Analytical Hierarchy Process (AHP). The study shows that the net outranking fl ow for the most preferred biomass types are: grass-clover 2.8, wheat-straw 1.2 and willow 1, representing the biomass categories green, yellow and woody, respectively. The overall order of the preferred biomass types is grass-clover, pure grass, alfalfa from the green category; straw based on wheat and barley from the yellow category; and willow from the woody category. Furthermore, irrespective of whether or not the raw materials are processed in integrated biorefi neries, preferences on biomass types are also important in the context of their sustainable conversions in related biorefi nery platforms (e.g. straw in a sugar-based lignocellulosic biorefi nery and grass-clover in a green biorefi nery).

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Concentrate Mixture, Grass Pellets, Fodder Beets, or Barley as Supplements to Silage ad libitum for High-yielding Dairy Cows on Organic Farms

Cited by 6 publications

References 27 publications

Maize silage as an energy supplement in organic dairy cow rations

Maize silage as an energy supplement in organic dairy cow rations

Review: Sugar beets as a substitute for grain for lactating dairy cattle

Multi‐criteria assessment of yellow, green, and woody biomasses: pre‐screening of potential biomasses as feedstocks for biorefineries

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