About
This app offers hourly and daily thermal comfort and stress predictions for sows. It provides detailed insights into thermal index categories, physiological changes, and management recommendations. Users can customize predictions and access development information.
What's New in HotHog
1.3.3
November 7, 2025
Updated for recent OS release.
Developer apps
FAQ
What is HotHog?
HotHog provides hourly and daily predictions of thermal comfort and stress for sows. It's a decision support tool developed by scientists from USDA Agricultural Research Service, the University of Illinois, and Purdue University.
What thermal index categories does HotHog use?
HotHog categorizes thermal conditions into cool, comfortable, warm, mild heat stress, moderate heat stress, and severe heat stress. Each category includes associated physiological changes and management recommendations.
Can I customize predictions in HotHog?
Yes, users can build their own thermal index by inputting temperature, gestation stage, and relative humidity. This allows for personalized predictions based on specific farm conditions.
Does HotHog offer precipitation forecasts?
Yes, HotHog provides daily precipitation predictions along with hourly and daily temperature forecasts. This helps users anticipate weather impacts on their operations.
What devices does HotHog support?
HotHog is currently supported on iPhones. It was released on April 8, 2023, and its latest version is 1.3.3, last updated on November 7, 2025.
How is HotHog developed and updated?
HotHog was developed through a USDA National Institute of Food and Agriculture grant. The app is updated regularly, with the latest version released on November 7, 2025.
What is the age rating for HotHog?
HotHog has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.
How can I report problems or ask questions about HotHog?
You can report problems or ask specific questions pertaining to swine thermal stress through the settings page in HotHog by selecting the gear icon. This section also provides information on the decision support tool's development.
