Weighing apparatus and instruments for animals and animal food, namely, poultry hanging scales, poultry weighing platforms, poultry portable scales, feed scales, data collecting systems for recording, processing and displaying weight of poultry, said systems comprised of computer hardware and software, electronic scales, LCD monitors, keyboards, electronic load cells; [ apparatus for measuring, monitoring and controlling temperature, humidity, feeding, irrigation and watering, lighting, cooling, heating, ventilation and air pressure systems for animals and plants,] namely, electronic livestock housing controllers for collecting information regarding temperature, humidity and air pressure and for controlling heating, cooling and ventilation systems, [ electronic irrigation controllers, electronic fertilization controllers; ] control and data management apparatus for agricultural machines, namely, computer software for control of farm equipment and operations from a remote location and alarm systems for notification of malfunctions and danger to farm equipment, livestock and crops, said systems comprised of computer hardware and software, monitors, keyboards, temperature and humidity sensors, capacitive sensors, [ EC/PH sensors, ] light sensors, contact sensors, light dimmers, pressure sensors, modems including RF communication modems, mobile communication modems and internet communication modems, alarms, sirens, voice messaging units and dialers