ArticleVeterinary world2025
Multivariate evaluation of protein and energy utilization in Peruvian Guinea pigs (
Article in Veterinary world, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
3 authors.
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Abstract
Background and Aim: Guinea pig ( Materials and Methods: Forty-two male guinea pigs were housed individually in metabolic cages and fed a pelleted diet formulated according to the National Research Council (1995) recommendations. Digestibility and metabolism trials were conducted at 52, 90, and 145 days of age across three feeding levels. Variables including dry matter intake (DMI), gross energy intake (GEI), digestible energy, metabolizable energy (ME), crude protein intake (CPI), and retained protein (RP) were measured. Data were analyzed using principal component analysis (PCA) and hierarchical clustering to identify intake-efficiency patterns. Results: DMI, GEI, and CPI increased significantly with age and feeding level, strongly correlating with body weight (r > 0.7). Protein retention efficiency (RP/CPI) was highest at maintenance feeding (83.5%) but declined to 73.6% in Conclusion: Multivariate analysis demonstrated that while
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