"天然貓糧" VS "無穀貓糧

"Natural" vs. "Grain-Free" Cat Food
Read more at http://feline-nutrition.org/nutrition/a-gut-reaction-to-cat-food 
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Last Updated on Saturday, August 15, 2015 06:24 PMPublished on Saturday, June 20, 2015 12:34 PMWritten by Lyn Thomson, BVSc DipHom


The natural pet food sector has been recognised as a rapidly growing category of pet food. With grain-free products continuing to drive the natural category, it is worth examining the terms "natural" and "grain-free" in relation to our cat's diet.¹
The term "natural" has been defined by the Association of American Feed Control Officials, known as AAFCO, and requires, at minimum, that the pet food be preserved with natural preservatives. And that's it – no further definition. However, the purchaser's perception of natural focuses not only on the exclusion of preservatives, but also on the inclusion of whole ingredients, meats, fruits and vegetables, avoiding refined grains and by-products and feeding according to ancestral or instinctual nutritional philosophies.² Natural also implies no nasty additives; but, this is not included in the AAFCO definition.
The term "grains" refers to cereal grains. Wheat is one of the most consumed cereal grains worldwide and makes up a substantial part of the human diet. Cereal grains contain anti-nutrients such as wheat gluten and wheat lectin and can contribute to the manifestation of chronic inflammation and auto-immune diseases by increasing intestinal permeability and initiating a pro-inflammatory immune response.³
Natural and grain-free are meaningless terms when it comes to choosing the right food for your cat. Cats are obligate carnivores, their feral or natural diet consists of small mammals such as mice, rats, or rabbits, birds, fish, reptiles, and invertebrates with a macronutrient profile of 52% metabolisable energy, or ME, from protein, 46% ME from fat and 2% ME from carbohydrate. With only 2% of the ME coming from carbohydrates there is no requirement for carbohydrates from grains or starches. The 2% of carbohydrates in the diet will be naturally provided by the carcass. The carcass composition is water, fat, protein, minerals and a small proportion of carbohydrates.
So the clever marketing of pet food is driving a surge of interest in the natural and grain-free category. Holistic veterinarians are often discussing diet in relation to gastro-intestinal health. Holistic vets recognise the importance of eating as closely as possible to the cat's ancestral diet for optimal gut health. The pet food manufacturing companies are trying their hardest to capture the holistic market and get close to the ancestral diet of our feline friends by offering "natural" and "grain-free" alternatives. Sounds great, but the reality is – buyer beware. Natural products, by definition, can contain anything except an unnatural preservative.
Grain-free products have replaced grains with other inappropriate carbohydrates. Check the ingredient list for: ground brown rice, oatmeal, dried beet pulp, red lentils, green lentils, quinoa, green peas, pumpkin, butternut squash, carrots, apples, pears. All inappropriate and potentially harmful to our felines.
飲食以及腸內微生物對於貓咪的健康非常重要.天然獸醫們通常會用"腸漏"以及"生態失調"這兩個詞,這兩個詞在目前一般的獸醫中很少使用,但是歸功於義大利的 Dr Alessio Fasano,腸漏這個詞已經被主流的醫生認可.Dr Fasano認為腸漏在造成自體免疫疾病的產生上是很重要的.動物實驗以及最近的一些臨床證據也支持這個新的說法,且提供了合理且創新的方式來藉由飲食治療或預防自體免疫疾病.對於腸道微生物的重要性以及臨床上顯著的生態失調與飲食對於微生物的影響這些也正在有突破性的研究中.
As our knowledge of gastrointestinal permeability increases we begin to understand the importance of the diet and the microbiome and how these two factors interplay in the health of our cats. Holistic and integrative veterinarians often use the terms "leaky gut" and "dysbiosis." These terms are not currently acknowledged by the conventional veterinary community but, due to the work of the Italian paediatrician Dr Alessio Fasano, the term leaky gut has been recognised by mainstream medical practitioners. Dr Fasano recognises the importance of a leaky gut in the development of auto-immune disease. Both animal models and recent clinical evidence support this new paradigm and provide the rationale for innovative approaches to prevent and treat auto-immune disease with diet. There is also ground-breaking research into the importance of the gut microbiome and the clinical significance of a dysbiosis and the effect of diet on the microbiome.
Read more at http://feline-nutrition.org/nutrition/a-gut-reaction-to-cat-food 
Follow us on Twitter: @FelineNutrition

Read more at http://feline-nutrition.org/nutrition/a-gut-reaction-to-cat-food 
Follow us on Twitter: @FelineNutrition


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