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Related Concept Videos

Dietary Connections01:23

Dietary Connections

In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used as energy sources to produce...
Optimal Foraging00:48

Optimal Foraging

How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
Proteins: Dietary Sources and Requirements01:28

Proteins: Dietary Sources and Requirements

Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ meats, shellfish,...
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...
Sources of Food Contamination01:29

Sources of Food Contamination

Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...

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Related Experiment Video

Updated: Jul 14, 2026

Fat Preference: A Novel Model of Eating Behavior in Rats
05:57

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Commercial vs Homemade Cat Diets: What you need to know.

Cecilia Villaverde1, Marge Chandler2

  • 1Expert Pet Nutrition, Fermoy, County Cork, Ireland.

Journal of Feline Medicine and Surgery
|March 21, 2022
PubMed
Summary

Choosing the right cat food is crucial for their health. A nutritional assessment is key before selecting commercial or homemade diets, especially with widespread misinformation online.

Keywords:
Commercial cat foodcat food ingredientscat food regulationshomemade dietsnutritionnutritional deficiencies

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Area of Science:

  • Veterinary Nutrition
  • Companion Animal Health

Background:

  • Feline diet choice is complex due to abundant products and misinformation.
  • Nutritional assessment is vital for safe, appropriate, and nutritious long-term cat feeding plans.

Purpose of the Study:

  • To guide veterinarians in recommending appropriate feline diets.
  • To address challenges in commercial and homemade diet selection for cats.

Main Methods:

  • Review of current feline nutrition research and evidence.
  • Analysis of commercial and homemade diet formulation and safety.

Main Results:

  • Commercial diets are regulated but require careful manufacturer selection.
  • Customized homemade diets formulated by specialists can be viable but lack testing.
  • Generic homemade diets pose risks of nutritional deficiencies and imbalances.

Conclusions:

  • Veterinary professionals need evidence-based information to guide owners on feline diet choices.
  • Prioritize nutritional assessment and specialist formulation for homemade diets to ensure cat health.