ANSC 3270 Midterm 1 Study Questions and Answers Graded A 2024

what occurs when animals are stressed? - - less productive - reduced product quality - increased risk of disease what are consumers demanding from animals? - - high quality - reasonably priced products - ethically raised with minimal stress what are producers dependent on when preventing/treating disease? - antimicrobials such as antibiotics and anthelmintics what is the negative of wide-spread use of antimicrobials? - antimicrobial resistant pathogens what environmental activity is affecting livestock health? - climate change what is a stressor? - something that disrupts homeostasis in an organism and in doing so, elicits a stress response what is a stress repsonse? - an evolutionary conserved response that involves the activation of multiple physiological systems during danger what are the physiological systems that are activated during perceived danger? - - cardiovascular - metabolic - musculoskeletal - endocrine - immune what manifests as the stress response? - fight, flight, or freeze response what is short term stress good for? - to enhance survival of an organism by restoring physical homeostasis what can long term stress lead to? - a variety of psychological, metabolic, and reproductive disorders as well as immunological disorders that increase the animal's susceptibility to more deadly diseases and infections what must happen for a stress response to occur? - the animal must first sense the stressor through any of the 5 senses