Abstract
Received: 2015-11-03 | Accepted: 2015-11-06 | Available online: 2016-03-24 dx.doi.org/10.15414/afz.2016.19.01.25-28 The goal of this study was to analysed and compared the nutrients content of dry dog foods with nutrient content, which is declared by the manufacturer of the dry dog foods. 15 dry dog foods bought in the Slovak republic were analysed for dry matter, crude protein, crude fat, crude fiber, nitrogen free extract and ash concentration. Nutrients analysis of dry dog foods were realised in Laboratory of Quality and Nutritional Value of Feeds. We found, that only 6 from 15 dry dog food samples were in interval ± 5% from declared crude protein concentration; no sample was in interval ± 5% from declared crude fat concentration; only 2 from 15 dry dog food samples were in interval ± 5% from declared crude fiber concentration; only 4 from 15 dry dog food samples were in interval ± 5% from declared ash concentration. Analysed dry dog food samples have very different nutritive value in comparison to declared nutritive value on bale. The highest shortage was detected by the fat concentration. The highest excess was detected by the fiber concentration. Keywords : dogs, dry food, nutrients concentration, evaluation References ALVAREZ, E. and SANCHEZ, P. (2006) Dietary fiber. Nutricion Hospitalaria , vol. 21, Suppl., pp. 60-71. BAUER, J.E. 2006. Facilitative and functional fats in diets of cats and dogs. In Journal of the American Veterinary Medical Association , vol. 229, pp. 680-684. CASE, L. et al. (2011). Canine and Feline Nutrition: a resource for companion animal professionals . 3. ed. Missouri: Elsevier. HANUSOVSKÝ, O. (2014). Changes in minerals in colostrum of sows. In XX. scientific conference of students of Faculty of agrobiology and food resources. Nitra 23.4.2014 . Nitra: Slovak University of Agriculture in Nitra, pp. 29 (in Slovak). HARLOW, J. (1997) US pet food trends. Proceedings of the pet food forum . Chicago: Watts Publishing, pp. 355-364. HERKEĽ, R., VARGA, B. and MAJLAT, M. (2014). The analysis of fatty acids content in different plant oils. In IX. Scientific conference of PhD.-students with international participation. Nitra 14.11.2014 . Nitra: Slovak University of Agriculture in Nitra, pp. 34-37. KALLFELZ, F.A. (1989) Evaluation and use of pet foods: general consideration in using pet foods for adult maintenance. Veterinary Clinics of North America: Small Animal Practice , vol. 19, pp. 387-403. KRONFELD, D.S. (1982) Protein quality and amino acid profiles of common dog foods. Journal of the American Animal Hospital Association , vol. 18, pp. 679-683. LASEK, O., MILEJSKA, P. and KOWALSKI, Z.M. (2013) The use of gas-test techniques to study the fermentation process in the intestines of dogs. In DORSZEWSKI, P. et al. (eds.) Proc. conf. XLII Scientific Conference CAN CAS PAS. Bydgoszcz 18-20.9.2013 . Bydgoszcz: University of Technology and Life Science, pp. 165-166. MUDŘIK, Z. et al. (2014). Specification of calculating the energy needs for dogs used for a dogtrekking and canicross. In Lazar days of nutrition and veterinary dietetics XI. Kosice 2-3.9.2014 . Kosice: University of Veterinary Medicine and Pharmacy in Kosice, pp. 179-182. (in Czech). PISOVA, A. 2015. Organic matter digestibility of corn silage for horses. In XXI. scientific conference of students of Faculty of Agrobiology and Food Resources. Nitra 22.4.2015 . Nitra: Slovak University of Agriculture in Nitra, pp. 48 (in Slovak). SAMUELSON, A.C. and CUTTER, G.R. (1991) Dog biscuits: an aid in canine tartar control. The Journal of Nutrition , vol. 121, pp. S162. TVAROŽKOVA, K. (2015) Evaluation of the nutritional content of the granules and comparison of the composition of selected rations for dogs. In XXI. scientific conference of students of Faculty of Agrobiology and Food Resources. Nitra 22.4.2015. Nitra: Slovak University of Agriculture in Nitra, pp. 49 (in Slovak). TVRDA, E. et al. (2013) Mineral nutrients and male fertility. Journal of Microbiology, Biotechnology and Food Science , vol. 3, no. 1, pp. 1-14. VARGA, B. (2014) Profile of fatty acids in olive and hemp oils. In XX. scientific conference of students of Faculty of agrobiology and food resources. Nitra 23.4.2014 . Nitra: Slovak University of Agriculture in Nitra, pp. 40 (in Slovak). Regulation of the Slovak Ministry of Agriculture no. 2145 / 2004 - 100 (2004) about sampling of feeds and about laboratory testing and evaluation of feeds, pp. 342 (in Slovak).
Highlights
The most important consideration in choosing a commercial pet food for a companion animal is its nutrient content
Nine from fifteen analysed dry dog foods were used for feeding of adult dogs in normal condition; two dry dog food samples were used for feeding of working dogs and four dry dog food samples were used for feeding of puppies
In our study we focused on nutrients concentration determination of dry dog food bought in Slovakia
Summary
The most important consideration in choosing a commercial pet food for a companion animal is its nutrient content. Dry dog foods are very convenient for owners and are the most common type of pet food bought by pet owners (Harlow, 1997) These products are more economical to feed than wet or semi moist foods and their store well because of their low moisture content (Samuelson and Cutter, 1991). Semi moist pet foods contain 15 % to 30 % water and include fresh or frozen animal tissues, cereal grains, fats and simple sugar as their principal ingredients. These products are softer in texture than dry pet foods, which contribute to their acceptability and palatability for some animals (Case et al, 2011). We focused on selected commercial dog foods bought in Slovakia
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