Involving animals in environmental education themes is a playful strategy that contributes to the formation of a conservationist awareness in children. Activities with birds arouse children's interest, stimulate dialogues about biodiversity, and assist in the construction of humanistic values focused on the environment. The present study reports on a pedagogical experience that consisted of a trail called “birdwatching”, which integrated characters and taxidermized birds in a story about the traffic of wild animals. The story was presented to children from the 3rd year of elementary school, from Objetivo Alto Padrão school, in the municipality of Franca, SP, Brazil. With the proposed activity, it was realized that environmental issues are of interest to children. Furthermore, the playful approach used created a feeling of belonging to the environment, facilitating the teaching-learning process through the active participation of students.

COVID-19 e a infecção por SARS-CoV-2 em um panorama geral/ COVID-19 and infection by SARS-CoV-2 in an overview

Colombian Paso horses (CPs) excel in gait competitions due to their endurance, speed, and precision, which demand a high level of cardiorespiratory fitness. However, their training regimes often lack scientific support, and few studies have linked physiological parameters to optimal training zones. This study aimed to estimate the aerobic lactate threshold (LTaer) using mathematical methods and to correlate it with heart rate (HR) zones and blood lactate. Eighteen CPs were evaluated and classified into trained (GT) and untrained (GD) groups. All animals underwent a field-based incremental exercise test (IET) with continuous HR monitoring and serial blood sampling for lactate, creatinine, BUN, AST, and CK analysis. LTaer was estimated using three methods: visual inspection, and fixed thresholds at 2 mmol/L (ZL2), and 4 mmol/L (ZL4). HR zones corresponding to each threshold were then calculated based on a maximum estimated HR of 220 bpm. The visual method placed LTaer in zone 2 for both groups. ZL2 located the threshold in zone 2 for GT and in zone 3 for GD, whereas ZL4 placed the threshold in zone 4 for both groups. Although no intergroup differences in lactate or HR were observed, intragroup differences emerged above 75% of HRmax, indicating exponential lactate accumulation. Biochemical parameters revealed significant pre- to post-exercise changes, but no differences between groups, suggesting a standardized workload. This is the first study to propose field-based prediction of LTaer in CPs using HR derived from wearable technologies, based on blood lactate and a standardized exercise test’s results. Correlating HR zones with lactate thresholds facilitates workload analysis in the field. Future studies should investigate the maximal lactate steady state (MLSS) in this breed.