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Apps that estimate pet weight using your cell phone.

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How does estimation by barimetry and photogrammetry work in herd management, and why is the number approximate? It does not replace a calibrated scale.
See the herd management and weight estimation guides.

With advances in mobile technology, several farm activities are also being facilitated by apps. Among these innovations, apps that allow you to weigh animals using just your cell phone have become increasingly popular among rural producers, breeders and agricultural professionals.

These solutions apply barimetryUsing a tape measure, you measure your body length and chest circumference, and the app calculates a... I estimated by weight. It's an approximate number — It does not replace a calibrated scale. not for sale nor for administering medication.

Advantages of Applications

Equipment Savings

By using an app to weigh animals, you avoid purchasing electronic or mechanical scales, which are often expensive and require constant maintenance. This represents a significant saving for small and medium-sized producers.

Practicality in the Field

With a smartphone and measuring tape, the producer can make the estimate anywhere, without having to transport the herd to a physical scale. This streamlines the routine and reduces stress on the animals.

Ease of Use

The apps are intuitive and explain where to place the tape measure. With just a few clicks, you get a weight estimate, within the method's margin of error.

Constant Monitoring

By frequently monitoring the weight of animals, the breeder can make more assertive decisions about feeding, management and marketing, optimizing the productivity of the property.

Access to Reports and History

Some apps offer extra features, such as storing weighing data, generating reports and graphs that help control and monitor the animals' progress over time.

Low Cost and High Accessibility

Many of the apps are available for free on the Play Store, or for a nominal fee. This makes the technology accessible even to small creators working with limited resources.

Multispecies

The apps usually allow you to weigh different species, such as cattle, pigs, sheep and goats. Simply select the type of animal and follow the step-by-step instructions to get an estimate.

Frequent Updates

Developers frequently update the formulas and interface, which helps reduce estimation errors.

Integration with Other Systems

Some apps allow integration with rural management systems or spreadsheets, facilitating production control and improving the overall organization of the property.

Frequently Asked Questions

How do apps estimate the weight of animals?

These apps use formulas based on body measurements, such as length and chest circumference. After entering the data, the system calculates the estimated weight based on tested statistical models.

Are the apps reliable for commercial use?

For commercial use, no. All scales provide estimates with a margin of error; for sale and for any legal requirement, use certified scales.

Do I need internet to use the apps?

Some apps work offline, allowing you to use them in the field even without an internet connection. However, certain extra features, such as cloud syncing or updates, may require internet access.

Do these apps work for all types of animals?

Most apps allow you to weigh cattle, pigs, sheep, and goats. Some offer breed-specific settings, which adjusts the formula and reduces error.

Where can I download these apps?

You can find several apps on Play Store searching for terms like “weigh animals”, “animal weight estimator” or “digital animal scale”. Check the reviews to choose the best option.