“低热量”宠物食品卡路里含量差异很大
文章来源:未知 文章作者:meng 发布时间:2010-01-27 03:07 字体: [ ]  进入论坛
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Dog and cat owners buying weight-control diets for their overweight pets are faced with a confusing令人困惑的 two-fold variation变异,变种 in calorie density1, recommended intake2, and wide range cost of low-calorie pet foods, according to a study by the Cummings School of Veterinary Medicine at Tufts University. The study, published this month in the Journal of the American Veterinary Medical Association, examined nearly 100 commercially available diets with weight management claims. Among their findings is that dry dog foods range in calorie density from 217 to 440 kilocalories per cup (kcal/cup) and a recommended intake that ranged from 0.73 to 1.47 times the dog's resting energy requirement. The diets also varied3 wildly in price—from 4 cents to more than $1.10 per kilocalorie.

Similar findings were made in wet dog food (189-398 kcal/can) and cat food (235-480 kcal/cup) marketed for weight control. The results may be significant for owners whose cats or dogs are overweight or obese4肥胖的, according to Lisa M. Freeman, DVM, PhD, DACVN, the study's co-author along with 2010 Cummings School graduate Deborah E. Linder, DVM. Nearly 50% of domesticated5家养的,驯服的 animals are overweight or obese.

"There is so much information—and misinformation误报,错误的信息—about pet foods, it's understandable that people are confused about what to feed their dogs and cats," said co-author Dr. Lisa Freeman, professor of nutrition at Tufts University's Cummings School of Veterinary Medicine. "To counteract抵消,中和 these myths, people are accustomed to turning to the labels on food—but, as this study shows, packaging might not always be a reliable source of information."

Under federal guidelines, pet foods labeled "lite," "light," "low calorie," "less calorie," or "low calorie" must provide the caloric content. Foods with a light, lite, or low-calorie designation must also adhere to坚持,追随 a maximum kilocalorie per kilogram restriction7. However, Freeman points out that more than half of the foods evaluated in the study exceeded this maximum. Foods without these designations currently are allowed, but not required, to provide the caloric content on the label. Efforts are currently underway to make this information required on all pet food labels.

Another important issue identified in this study was the high variability in feeding recommendations for weight loss based on the labels that were evaluated. In fact, for most of the diets, pets would not lose weight or would actually gain weight if owners adhered to the labels' feeding directions and did not adjust according to their pet's individual calorie requirements.

Obesity8 in companion animals is associated with numerous diseases, including pancreatitis胰腺炎, osteoarthritis骨关节炎, dermatologic皮肤病学的 disease, diabetes糖尿病, and respiratory tract呼吸道 diseases—and may contribute to a shorter lifespan, according to earlier published studies.

Calorie density was gathered from the product packaging and by contacting manufacturers. Linder and Freeman studied 44 canine犬齿的 and 49 feline猫科的 diets.



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1 density rOdzZ     
n.密集,密度,浓度
参考例句:
  • The population density of that country is 685 per square mile.那个国家的人口密度为每平方英里685人。
  • The region has a very high population density.该地区的人口密度很高。
2 intake 44cyQ     
n.吸入,纳入;进气口,入口
参考例句:
  • Reduce your salt intake.减少盐的摄入量。
  • There was a horrified intake of breath from every child.所有的孩子都害怕地倒抽了一口凉气。
3 varied giIw9     
adj.多样的,多变化的
参考例句:
  • The forms of art are many and varied.艺术的形式是多种多样的。
  • The hotel has a varied programme of nightly entertainment.宾馆有各种晚间娱乐活动。
4 obese uvIya     
adj.过度肥胖的,肥大的
参考例句:
  • The old man is really obese,it can't be healthy.那位老人确实过于肥胖了,不能算是健康。
  • Being obese and lazy is dangerous to health.又胖又懒危害健康。
5 domesticated Lu2zBm     
adj.喜欢家庭生活的;(指动物)被驯养了的v.驯化( domesticate的过去式和过去分词 )
参考例句:
  • He is thoroughly domesticated and cooks a delicious chicken casserole. 他精于家务,烹制的砂锅炖小鸡非常可口。 来自《简明英汉词典》
  • The donkey is a domesticated form of the African wild ass. 驴是非洲野驴的一种已驯化的品种。 来自《简明英汉词典》
6 counteract vzlxb     
vt.对…起反作用,对抗,抵消
参考例句:
  • The doctor gave him some medicine to counteract the effect of the poison.医生给他些药解毒。
  • Our work calls for mutual support.We shouldn't counteract each other's efforts.工作要互相支持,不要互相拆台。
7 restriction jW8x0     
n.限制,约束
参考例句:
  • The park is open to the public without restriction.这个公园对公众开放,没有任何限制。
  • The 30 mph speed restriction applies in all built-up areas.每小时限速30英里适用于所有建筑物聚集区。
8 obesity Dv1ya     
n.肥胖,肥大
参考例句:
  • One effect of overeating may be obesity.吃得过多能导致肥胖。
  • Sugar and fat can more easily lead to obesity than some other foods.糖和脂肪比其他食物更容易导致肥胖。
9 diabetes uPnzu     
n.糖尿病
参考例句:
  • In case of diabetes, physicians advise against the use of sugar.对于糖尿病患者,医生告诫他们不要吃糖。
  • Diabetes is caused by a fault in the insulin production of the body.糖尿病是由体內胰岛素分泌失调引起的。
10 tract iJxz4     
n.传单,小册子,大片(土地或森林)
参考例句:
  • He owns a large tract of forest.他拥有一大片森林。
  • He wrote a tract on this subject.他曾对此写了一篇短文。
11 canine Lceyb     
adj.犬的,犬科的
参考例句:
  • The fox is a canine animal.狐狸是犬科动物。
  • Herbivorous animals have very small canine teeth,or none.食草动物的犬牙很小或者没有。
12 feline nkdxi     
adj.猫科的
参考例句:
  • As a result,humans have learned to respect feline independence.结果是人们已经学会尊重猫的独立性。
  • The awakening was almost feline in its stealthiness.这种醒觉,简直和猫的脚步一样地轻悄。
TAG标签: food weight calorie
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