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19 Cards in this Set

  • Front
  • Back

what makes up a complete diet?

Carbohydrate, Fat, Protein, Water, Minerals, Vitamins
Water– 50ml/kg/24hrs
Carbs,Fats and protein – provide energy for the body
Vits/minerals – are essential for appropriatefunctioning but do not provide energy

carbohydrates

energy source
excess stored as fat - lead to obesity
- mono/di and polysaccharides


low carbs can cause problems in high demand (pregnancy)

Fibre

complex carb - polysaccharide


Fermentation (break down by intestinalbacteria)
Rapidly fermentable – pectin (in manyfruits) – produce lots of gas, nonfermentable (cellulose –plants) – hold water and bulk up the gut for good bowelfunction
Fermentationprocess produces SCFA (short chain fatty acids) which are beneficial for themucosal cells.
Minimise glucose fluctuations – useful for diabeticpatients

Protein

meat is a good source
made up of chains of amino acids


building blocks for : AB, muscles, enzymes, skin/hair/nails, hormones




High biological value – Aas supplied closely match requirements,less waste, will need to eat less, diets prob more expensive
Lowbiological value – more waste (for kidneys to deal with), will need to eatmore, lower cost.Eggeasily digested and provides Aas close to requirements
Cats– low carbs, high protein
Dogs– higher carbs is ok
Deficiency– poor growth/weight loss/anorexia/anaemia/dull coat/muscle wasting/increasedsusceptibility to disease/odema/death

essential amino acids

proteins which cannot be produced by the animal




Taurine (cats) - only found in animal tissue

fat

energy source (high energy density)
increases palatability
aids absorption of fat soluble vitamins (A,D,E&K)
provides essential fatty acids

Essential fatty acids (EFA)

-Omega 3 (Linolenic acid) andOmega 6 fatty acids (linoleic acid, arachidonic acid (cats only))
-anti-inflammatoryproperties
-Constituentsof the cell membrane
-Synthesis ofsubstances such as prostaglandins




Deficiency maylead to – impaired wound healing, dry coat, scaly skin, skin disease, reducedreproductive function

what do anti-oxidants do?

prevent cellular damage by free radicals
free radicals are unstable molecules which can initiate damage to cells in an attempt to become stable


and are believed to contribute to aging process and progression of chronic diseases

what is gross energy?

total energy content of food

what is digestible energy?

energy that is digested by animal and not lost in faeces

what is metabolisable energy?

energy available for animals and not lost in urine and GI gases

what is Basal Energy Requirement (BAR)?

energy used while asleep and not digesting food in a thermoneutral environment

Resting energy requirement (RER)?

energy used when animal is awake but resting quietly in a thermoneutral environment

Maintenance energy requirement (MER)?

allows for moderate activity

Daily energy requirement (DER)?

RER multiplied by a factor to take into account animals age, lifestage and condition

calculating RER for patients between 2-30kg

RER= (30 x weight (kg) + 70

Calculating RER for patients <2kg or >30g

RER = 70 x (bodyweight in kg)0.75

Calculating feeding requirements

Using theenergy density of the food (kcal/g, kcal/tin, kcal/sachet)



And thecalculated energy requirement of the animal (kcal)


Energyrequirements ÷ energy density of food = amount to feed

factors that affect nutritional requirements

age
pregnancy/lactation
illness
neuter status
lifestyle (working dogs)