15. Students sign up with their teacher via a Google Doc after watching an introductory video to the month’s topic. Each teacher is allotted a certain number of spots. If they don’t use all their spots, another teacher can claim them. We have a staggered schedule: 3rd grade 10:45-...
When building a new house or retrofitting an older one, tunnel fan selection is one of the most, if not the most important decision a producer has to make. A house’s fans are essentially the engine of the ventilation system and as a result have a significant effect on a producer’s ...
Research has shown that ammonia concentrations as low as 25 ppm can reduce bird weights at 28 days of age by two to seven percent while 50 ppm ammonia has been shown to reduce bird weights from 16 and 19 percent (F.N. Reece et. al., 1980, D.M. Miles, et. al., 2004). Ammonia...