FAQ

How do I schedule workouts?

  1. Go to the calendar in the app and tap the  button
  2. Then select “Schedule workout” from the menu.
  3.  Select date and time: Let the start date be today’s date unless you want to plan from, for example, 2 weeks ahead.

    The time will determine when you receive a notification for the workout. We recommend setting the time so that you receive the notification after completing the workout. This way, you can easily enter the details you want before saving the workout in the calendar.
  4. Select horse(s): Choose the horse(s) you want to include in the workout.
  5. Select workout: Choose which one of your workouts you want to schedule in the calendar.
  6. Detailed log: In this section you can pre-select details for your training. These details can be edited when saving future workouts, so we recommend leaving the section blank when scheduling workouts.
  7. Recurrence: Select the days the workout should be logged. You can select multiple days per week.
  8. Description: You can add a description of the workout here. We recommend leaving it blank until you have completed the workout so you can enter a suitable description after the training is done.

What type of energy system does HÆSTR’s nutrition calculator use?

HÆSTR uses the INRA energy system and calculates energy consumption based on “Net Energy.”

In Ireland, England, and Germany, horse feed content is specified as “Digestible Energy.” The unit used is MJ (Megajoule). In the USA, Megacalories (MCal) are used.

In Sweden and Finland, the energy content of horse feed is indicated as “Metabolizable Energy.” The unit used is MJ, and the numerical value for metabolizable energy is lower than when specifying the same feed content as “Digestible Energy.”

In Norway, Denmark, Iceland, the Netherlands, and France, the energy content of the feed is indicated as “Net Energy.” The unit used is Feed Unit for horses, called FEh in the Nordic region, EWpa in the Netherlands, and UFC in France.

HÆSTR uses UFC/kg as the energy unit for feeds.

To convert from MJ to UFC, you can use the following formula: UFC = MJ/9.414

Can I use the nutrition calculator if my horses have free access to forage?

Yes! Even if you’re not sure exactly how much grass or hay your horse eats, you can still tell if it’s missing any important vitamins or minerals.

It’s really helpful to get an analysis of the forage your pony/horse consumes. 

When you plug the forage analysis results into HÆSTR’s nutrition calculator, you can figure out which vitamins and minerals your horse might need more of, and how much. If the forage provides enough of everything, then you can relax knowing your horse is getting all the nutrients it needs.

What is the standard used by HÆSTR for calculating vitamins and minerals?

The app follows the norms set by the National Research Council for all vitamins and minerals.

Keep in mind that the nutrition calculator doesn’t prescribe an exact feeding plan for your horse. Instead, it guides you to stay within a recommended range (between minimum and maximum values). This helps minimize the risk of diseases and supports optimal performance and recovery.

Nutrients without specified limits (min or max) lack sufficient research to establish boundaries. For instance, researchers haven’t identified a clear connection between lack/excess of these nutrients and diseases.

What does green, yellow and red color in the nutrition calculator mean?

Green: The current amount is okay.

Yellow: The current amount isn’t critical, but it’s higher than what’s recommended. This might be okay, but there’s some uncertainty. Try to get it below the maximum.

Red: The amount is not safe and needs correction because too much or too little of it can harm the horse.

What should I do if the feed product I use is not available in the app?

Here’s how to add a feed that’s not in the app yet:

  1. Go to the Nutrition Calculator in the app.
  2. Tap the “+” button to add a new feed.
  3. Pick the category for your feed – like “Forage,” “Concentrate,” or “Supplement.”
  4. After picking the appropriate category, you will see the “Browse” section for that category. Here you can see all the feed products that are added to HÆSTR’s database. Tap the arrow in the top right corner to switch to the “Personal” section for your own feed products.
  5. Press the “+” symbol in the “Personal” section to add your custom feed. 


NB! The last tab/section, “Shared,” has feeds from other users. Be careful using them; they might contain errors. Always go through the details of the feed before using it in your calculations.

Are you missing a feed product? Please email us at support@haestr.com and let us know which feed you are missing.

What is the difference between “Per kg feed” and “Per kg dry matter”?

The feed producers can specify the nutritional content of their products both as “per kg feed” and “per kg dry matter.”

“Per kg feed” indicates the amount of nutrients in 1 kg of feed, including its water content.

“Per kg dry matter” indicates the amount of nutrients in 1 kg of dry feed, without any water.

Most forages and concentrates contain a certain amount of water, so it is essential to consider how the nutritional content is presented on the feed product to ensure accuracy in calculations.

If the nutritional content is provided “per kg dry matter,” it will be expressed as, for example, “g/kg DM” or “mg/kg DM.”

If the nutritional content is specified “per kg feed,” it will be stated as “g/kg” or “mg/kg.”

Are you unsure which one to use? Take a picture of the nutritional content and email us at support@haestr.com. We are happy to help you.

How do I convert the nutritional content from my feed product to the app?

Nutritional content on feed products can be displayed differently.

Energy is commonly shown as UFC/kg, Mcal/kg or MJ/kg, depending on where the feed is produced. In HÆSTR we use UFC/kg. 

To calculate from MJ to UFC we use the following formula: UFC = MJ/9.414.

Keep in mind that the energy content must be shown as “Net Energy” for the calculation to be correct. 

Vitamins and minerals are often shown as %, g, mg or IU. The most common calculation you must do is to calculate from % to grams or milligrams. 

Example 1: Calcium 0.07% to g/kg

  1. Convert the percentage to a decimal by dividing it by 100.

0.07\100 = 0.0007

  1. Multiply this decimal by the total weight to find the amount of calcium.

0.0007 x 1000 g = 0.7 g/kg

 

Example 2: Iron 0.019% to mg/kg

  1. Convert the percentage to a decimal by dividing it by 100.

0.019\100 = 0.00019

  1. Multiply this decimal by the total weight to find the amount of Iron.

0.00019 x 1 000 000 mg = 190 mg/kg

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