When To Chop Corn Silage?

When To Chop Corn Silage?

What moisture should corn silage be?

Corn should be harvested for silage at a moisture content of 65 to 70 percent when using a horizontal bunker. If too wet – above 70 percent – yield potential is reduced and seepage will occur, resulting in the undesirable presence of clostridia bacteria fermentation.

How fast does corn silage dry down?

Waiting to harvest frost-damaged corn at the milk stage will improve silage quality but will decrease dry matter yield. Up to 10% dry matter losses will occur the first ten days after the frost and up to 20% dry matter will be lost 40 days after the frost.

What happens if corn silage is too dry?

They knew that dry silage often heats and molds, lowering its energy and protein digestibility. This happens primarily because dry silage is difficult to pack, which allows more oxygen to remain embedded inside the silage. Many corn fields are quickly getting too dry for making the best silage.

Can silage be too wet?

Moisture is critical when harvesting silage. Remember that if the silage is too wet there is a risk of butyric acid forming and nutrients being lost due to seepage. Silage that is over 70% moisture should not be harvested and should stand in the field for a few more days.

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What happens if silage is too wet?

Too Wet. Harvesting corn silage at moisture levels above 70% will not only yield less but will result in seepage and a very undesirable clostridia fermentation. Clostridia bacteria are very inefficient and convert forage sugars and organic acids into butyric acid, carbon dioxide and ammonia.

What happens if silage is watery?

Corn should be harvested for silage at a moisture content that will ensure good storage in the silo. Silage ensiled too wet may ferment poorly and seep. Seepage removes nutrients, particularly soluble nitrogen and carbohydrates, and can damage the silo.

When should I cut silage?

Typically, first- cut silage may have been taken around mid-May, depending on location. But multi- cut could take that well into April, especially further south. When it comes to cutting, avoid cutting too low. Remember, you want rapid regrowth, because you’ll be cutting again in a few weeks’ time.

Does corn dry out?

On average, typical seasonal drying rates range from 0.4 to 0.8% moisture loss per day. Kernels could lose up to 1.0% moisture per day. Considering that corn at maturity has about 30% moisture content it could easily take 2 to 4 weeks for grain moisture to drop to 15%. Hybrids will vary in rate of dry down as well.

What is the protein in corn silage?

Untreated corn silage has from 7 to 8% protein on a dry matter basis, and the protein requirements of beef cattle and sheep range from 10 to 14%, depending on the stage of production and desired rate of gain. High production dairy cows have even higher requirements.

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How can you tell if silage is bad?

Silage of poor quality has slimy soft texture when rubbed from the fibre or leaf and contains moulds. Very dry or even brittle (breaking like biscuit) silage shows the material ensiled had too high dry matter content and there was overheating during storage causing much deterioration.

How long should silage ferment before feeding?

Corn silage should ferment for at least 2-3 weeks before feeding it. If unfermented corn silage must be fed, limit it to 15% of the ration, watch out for acidosis, make sure dietary soluble protein levels are adequate, and feed it fresh.

What does silage smell like?

Silage that ferments normally may smell slightly sweet, but typically has very little odor since the most prevalent volatile fatty acid is lactate, which is nearly odorless.


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