Rats and mice are robust animals that generally have no special nutritional needs

Question

BlackTom AI · Accepted Answer

The statement to evaluate is: 'Rats and mice are robust animals that generally have no special nutritional needs.'

First, consider what 'robust' implies in the context of lab or pet rodents. While rats and mice are hardy compared with some other species, robustness does not imply freedom from dietary requirements. Their digestive physiology and metabolic needs are specific, not generic, and feeding them a truly indiscriminate diet can lead to serious health issues.

Next, unpack the claim about 'no special nutritional needs.' In practice, rats and mice require a balanced diet that provides appropriate levels of protein, carbohydrates, fats, vitamins, and minerals. They have needs such as adequate calcium and phosphorus balance for bone health, essential fatty acids, and certain vitamins in amounts that reflect their physiology. For example, they rely on good-quality commercial rodent chow or carefully formulated diets to prevent deficiencies or excesses. They also need sufficient dietary fiber to maintain gut health and normal bowel function. This is evidence of specific nutritional requirements rather than a blanket, no-special-needs situation.

Consider potential misconceptions: some may think 'robust' equates to 'can eat anything' or 'do fine on human leftovers.' Such thinking tends to ignore the risk of obesity, dental issues, and nutrient imbalances from inappropriate foods. Additionally, certain foods are toxic to rodents (for instance, chocolate, onions, or excessive sugar), which underscores that their diet must be carefully managed.

If we contrast the statement with proper guidance, a more accurate summary would be that while rats and mice are resilient in many respects, they do have particular nutritional needs that should be met with a balanced, species-appropriate diet rather than a generic intake. Lack of attention to these needs can lead to health problems, even in seemingly robust animals.

In terms of evaluating other potential framing, any assertion that these animals require no special diet would be incorrect since dietary balance, nutrient adequacy, and toxicity avoidance are central to their health management.

To summarize the key point succinctly: the idea that rats and mice have no special nutritional needs is not supported by evidence; proper rodent nutrition involves specific, well-defined requirements and careful diet selection to maintain health.

ANSC 1403 (001) Exam 4

Rats and mice are robust animals that generally have no special nutritional needs

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