Test 1- Small Animal Flashcards
What is nutrition?
The study of nutrient requirements in all phases of life and interaction between nutrients and animal
What are the 4 life stages in terms of nutritional requirements
Growth
Maintenance
Reproduction
Lactation
What is malnutrition?
An imbalance of nutrients
What are 3 classifications of nutrients
Essential, conditionally essential, non essential
What is an essential nutrient
one that cannot be synthesized by the body ex. water, Vit. D
What is an essential nutrient (amino acid) in cats and is conditionally essential in dogs
taurine
what are conditionally essential nutrients
nutrients that are not usually essential in diets that an underlying abnormality makes a requirement
What is a nonessential nutrient in dogs
aracadonic acid
what is a nonessential nutrient in dogs and cats
One that is synthesized by the body, ex. vitamin c
What are the 6 major categories of nutrients
Water, fat, carbohydrates, protein, vitamins, minerals
What are nutrients that provide energy
carbohydrates, protein, fat
what is the most important nutrient
water
what is the average water requirement
30-90 ml/kg/day
What is the energy density for carbohydrates
3.5-4 kcal/gram
What defines a insoluble fiber
one that has no interaction with water so the body absorbs water from the ingesta, it increases fecal bulk, and decreases intestinal transit time
ex. wheat bran, cellulose, lignin
What defines a soluble fiber
viscous/ gel-forming with high water holding capacity and ingesta resists dehydration
ex. psyllium, guar gum
Effects of fermentation on GI transit time, fecal bulk, and bile extraction
as fermentation increases so does GI rate, fecal bulk decreases and the fecal bile extraction increases
What is the best to help with constipation
Psyllium seed husk- soluble and insoluble and soluble portion not readily fermented in the intestines- remains intact to have bulky and soft stool
What is the energy density of fat
8.5-9 kcal/g
What are the fat soluble vitamins
ADEK
What is the essential fatty acid for dogs and cats
Linoleic acid (omega-6)
What are essential fatty acids for growth and reproduction in dogs and cats
Alpha-linolenic acid and EPA and DHA (omega-3)
What is a fatty acid essential for cats and not dogs
Arachidonic acid
How do dogs get arachidonic acid
they can synthesize it from linoleic acid
Why do animals need fat
certain fat soluble vitamins and essential fatty acids
energy density of protein
3.5-4 kcal/g
What does protein supply other than energy
amino acids and nitrogen
What are the percentages of required protein by dry matter basis for dogs and cats at matinance and growth and repro
Canine adult maint. 18%
Canine growth and repro. 22.5%
Feline adult maint. 26%
Feline growth and repro. 30%
Water soluble vitamins
B and C but dogs and cats don’t need supplemental vitamin c
Who makes up AAFCO
Regulatory officials in the state, no industry reps
How is the claim complete and balanced substantiated
The AAFCO feeding trials or nutrient profiles
Why are there maximum nutrient levels for some nutrients
These nutrients are ones with potential toxicity or concern with overuse
FDA role in pet food
Enforces the food and drugs act
And specifies permitted ingredients, acceptable manufacturing procedures, food safety, and some label requirements
What does the FDA require food to be
Pure and wholesome
Safe to eat
Contains no harmful substances
Be truthfully labeled
What are health claims and who regulates them
Imply the consumption of food may help in treatment, prevention, or reduction of a particular disease
Regulated by FDA
Are health claims allowed on pet foods
No except on therapeutic diets
What is the function of the USDA
Regulates pet food labels and research facilities
Inspects products used to make food
They make sure pet food is labeled for pets
What is the function of the PFI
It is a trade organization representing pet food manufacturers
Does the PFI have regulatory powers
No
What must pet food labels include
Product name, net weight statement, name and address of manufacturer, guaranteed analysis, list of ingredients, “dog or cat food”, nutritional adequacy statement, feeding guidelines, caloric statement
Percentage rules
“Beef”
Greater or equal to 70% of the total product is beef or Greater or equal to 95% of total weight is beef (dry matter basis)
Percentage rules
“Beef dinner (platter, entree, nuggets, etc.”
Descriptor after protein
Greater or equal to 10% and less than 70% of the total product is beef or Greater or equal to 25% and less than 95% of total weight is beef (dry matter basis)
Percentage rules “with beef”
Greater or equal to 3% and less than 10% of total product is beef (as fed)
Percentage rules “Beef flavor”
Less than 3% of total product is beef (as fed)
Percentage rules with more than one ingredient name in product name
All ingredients constitute a minimum of 25% total weight or minimum of 10% as fed
None of ingredients can be less than 3%
Guaranteed analysis
% Crude protein-min % crude fat-min % crude fiber- max % moisture-min Listed on an as fed basis
What is guaranteed analysis derived from
Lab analysis tests
How to calculate dry matter in a diet
100%- (% moisture as fed)
Calculate % of nutrient on dry matter basis
(% nutrient as fed/% dry matter in diet) x 100
How are ingredients arranged
By decreasing order of predominance by weight (not dry matter basis)
What is the significance of splitting ingredients in an ingredient list
The same ingredient can be separated by fineness of grain
What is the nutritional adequacy statement
A statement indicating what life cycle the food is intended for and that it has been substantiated by one of 2 AAFCO methods either feeding trial or calculation
What must be included if a diet is for all life stages and why
If the diet includes large size dogs which is based on calcium
What is the family method with AAFCO statements
If the product is in a family (ex. Different flavor) and is comparable in nutritional adequacy then it doesn’t need separate testing
What does the caloric statement have to be in terms of for food and treats
On an as fed basis
What is a filler
Something in a diet with no nutritional benefit- corn is not a filler
What percentage of minimum digestibility should a popular product have? A premium product
Minimum of 80% and minimum of 86%
What is the main food antioxidant
Vitamin E, but poor at stabilizing
What are some natural preservatives
Ascorbic acid (vitamin C)
Salts and esters of Vitamin C
Gamma and Delta- tocopherols
Feeding a food with preservatives is less risky than what
Feeding without- can go rancid
What are the 3 steps for nutritional assessment of an animal
1- assess the animal
2-assess the diet
3-assess the feeing practices
What are parameters to assess body condition score and what is it based on as a whole
- Ribs
- Waist
3, Abdominal tuck - Tail base
Assesses body amount of body fat
What is the age exception in terms of BCS
Kittens and puppies lack an abdominal tuck
What is the ideal body fat percentage
19-32%
What is the other way of accessing the bodies of animals
Muscle Condition Score (MCS)
What do you palpate for a MCS
The lumbar spine, the skull, scapulae, and the pelvic bones
Scoring of muscle mass
Normal, mild, moderate, severe
How do you calculate resting energy requirement (RER)
70(BW in kg)^0.75 or 70+(30xbw in kg)
RER vs. MER
Both take into account energy needed for obtaining, digesting, and absorbing food in amounts to maintain body weight but also MER take into account the energy needed for spontaneous activity
How to calculate MER in adult dogs and cats
1.4-1.8 x RER
1.0-1.4 x RER
Neutered are in the middle
MER for puppies
<4 months 3 x RER
>4 months 2 x RER
MER for kittens
2.5 x RER or free choice
Hungry vs. Appetite
Sensations associated with the physical need for food and the desire to eat
When do each puppy size reach skeletal maturity
Small breeds- 6 months
Larger breeds- 10-12 months
Giant breeds- 24 months
Types of feeding for puppies
ad lib- not recommended
Time restricted- theoretically so they won’t over eat
Volume restricted feeding- preferred method
Is digestability important for puppies
Definitely! They have a lot of energy requirements and a limited stomach capacity
What level of nutrients are the “all life stages” foods at
The highest potential need so growth and repro
What special requirements must food for large and giant breeds have and why
Need diets lower in energy, calcium, and vitamin D compared to standard puppy diets because developmental orthopedic disease is a concern
What is the maximum amount of calcium a giant breed puppy food should have
1.8% DMB
What are risk factors for DOD (developmental orthopedic diseases)
Genetics, nutrition, and environment
Does increased protein intake cause developmental orthopedic diseases
No
What is the maximum amount of phosphorus a giant breed puppy food should have
1.6
What is the maximum the calcium/phosphorus ratio should be for a giant breed puppy food and what is the optimum
2: 1
1. 2:1 or 1.4:1
What are the nutrition risk factors for giant breed puppies
Deficiencies or excess of energy, calcium, phosphorus, Vitamin D
Don’t change to adult food too quickly
What fatty acid helps with neural development
DHA- helps with visual acuity and avoid adverse changes in learning behaviors
What is a source of DHA and EPA
Fish oils
What can synthesize DHA from ALA
Only puppies for the first few weeks of life
What has been shown that DHA supplementation can create
A smarter and more trainable puppy
What effect does spaying and neutering have on energy requirements
Lowers them
What are the feeding requirements on bags of dog food in terms of
Current body weight
For nutritional purposes what are dogs and cats
Dogs are omnivores and cats are carnivores
Do dogs have a dietary requirement for carbohydrates
No but it helps prevent loss of other nutrients through gluconeogenesis
What lifestage is carbohydrates conditionally essential
Growth, gestation, lactation
How does cooking affect starches
Improves digestibility and helps prevent flatulence and diarrhea
Excluding moisture what is the highest percent nutrient in most diets
Carbohydrates
What is the AAFCO recommended minimum of fat for adult maintenance for dogs
5.5%
What does a deficiency of linoleic acid cause
Dry itchy skin, dermatitis, luterluss hair coat
What is the AAFCO recommended minimum of protein for adult maintenance for dogs
18%, and it must provide the right balance of amino acids
In dogs they can convert beta carotene into what
Vitamin A (cats can’t)
What type of fuel is needed for short, intense work and why
Carbohydrates because the energy is derived anaerobically from fast-twitch fibers
What type of fuel is needed for endurance racing and why
Fatty acids and carbohydrates to a point- uses aerobic slow twitch fibers
Need a diet above maintenance that is well digestible, energy-dense, and high-fat
When do you want to feed the largest meal to endurance racing dogs
After the days training session
How do you feed on race day
2-4 hours before the race feed half of the caloric requirements
What is a risk for hunting dogs
Hypoglycemia because of no conditioning- change to performance diet 3-4 weeks prior to hunting and condition dog
Also feed half of caloric intake 2-4 hours before the hunt
Carb loading may cause what and why
Exertional rhabdomylosis because of rapid anaerobic metabolism of muscle due to lactic acid production
What does ambient temperature increase energy requirement by
1.5-2.2
How does cold weather affect energy requirements
Increases it by 50% but MER affected by size, hair coat, shelter, wind, etc.
How does hot weather compare to cold and ambient in terms of energy requirements
It is somewhere in between ambient and cold weather
What is the maximum life span for dogs
27 years
What is the average lifespan for dogs
13 years
What is exceptional longevity defined as
30% above average life expectancy
How old is a senior dog defined as
7 years
What affects does aging have
Decrease metabolic rate, lean body tissue (muscle), total body water, and an increase in body fat
Why does the metabolic rate slow with age
Muscle uses more energy than fat and with age you lose muscle mass and replace with fat
What are the 3 leading causes of death in dogs
Cancer, Kidney disease, heart disease
Older dogs require higher levels of what
Protein because of increased protein turnover and decreased protein synthesis
How does water intake change with age
Older dogs may be more prone to dehydration
How does aging affects bones
The cortices of long bones become thinner and osteoarthritis is more common in older animals
What does glucosamine do
It is a building block of cartilage
What does chondroitin sulfate do
Blocks enzymes that break down cartilage
What is the most common disorder reported by vets
Dental disease
What is dental plaque
Biofilm that forms on teeth and will harden within 48 hours and in 10 days becomes tarter
Do dry diets help prevent tarter buildup
Not really, food shatters on tip of tooth
What is sodium hexametaphosphate
Interferes with the mineralization of plaque and is in many diets now for dogs
Who’s seal should you look for for credibility of product dental claims
Veterinary Oral Health Council (VOHC)
What do both humans and dogs develop in their brains
Senile plaques
What can be in diets to help with cognitive dysfunction
Antioxidants- vitamin E, C and lipoid acid also high in n-3 fatty acids and L-carnitine and taurine
What can serve as a effective energy source for dogs’ brains
Medium Chain Triglycerides (MCT)
What does Vitamin E and Beta-carotene help with
Immune function and reducing inflammation
What is the AAFCO recommended minimum for feline adult maintenance of protein
26%
What is the AAFCO recommended minimum for feline growth/repro of protein
30%
Why do cats need more protein than dogs
Higher liver enzyme activity - transaminases and deaminases- cats cannot decrease the activity of the liver enzymes
What amino acids do cats require
Arginine And Taurine
What happens to cats without arginine
They are unable to break down ammonia to urea in the urea cycle
What is taurine deficiency associated with
Reproductive failure, low birth weight kittens with developmental abnormalities, poor growth, dilated cardiomyopathy, compromised immune system
What is the AAFCO recommended minimum for feline adult maintenance and growth and repro of fat
9%
What are the essential fatty acids required in diet of adult cats
Linolaic and arachidonic
What are the essential fatty acids required in diet of kittens
Linolaic and arachidonic and alpha-linolenic and EPA and DHA
What are cats lacking to keep them from creating arachidonic acid
Delta-6-desaturase
What vitamins must cats have in their diet
Vitamins A and D, niacin, pyridoxine (vitamin b6)
When should you switch kittens to adult food
8-12 months
What is the energy intake for growing kittens (MER)
2.5 x RER
What has a higher minimum in kittens as recommended by AAFCO in terms of vitamins
Vitamins A and D
What has a higher minimum in kittens as recommended by AAFCO in terms of minerals
Higher calcium and phosphorus
What is a risk unique to cats if they do not consume enough calories
Fatty liver disease- hepatic lipidosis
What is considered a geriatric aged cat
12 years
Do older cats also need more protein
Yes
Unlike dogs, older cats need higher levels of what in their diet
Fat
Cats lack what and rely on what in replace of it to phosphorylate glucose
Lack glucokinase but have hexakinase instead
Can cats digest carbohydrates
Yes if they are properly processed
What is glucose production primarily from in cats
Gluconeogenic amino acids (proteins) and glycerol (fats)
Not carbohydrates
Do most species produce salivary amylase
No most don’t, humans produce the most then pigs
What type of diabetes is common in cats And what are the risk factors
Type 2 And risks are obesity and increasing age
Obesity is what
A disease
What percentage of dogs and cats are obese in 2018
Dogs- 55.8%
Cats- 59.5%
What do we use to diagnose obesity in animals
Body Condition Score
On the 9 point BCS what does each point change mean
Each point, after ideal, is a 5% increase in BF
On the 5 point BCS what does each point change mean
Each point, after ideal, is 10% change in body fat
What is the most common disease in animals
Obesity
What are health risks associated with obesity
Decreased life expectancy, pulmonary disease, compromised immune function, type 2 diabetes (cats), cancer, joint problems, increased mortality after anesthesia, chronic inflammatory condition
What produces adipokines and what do they do
White adipose tissue and they are cytokines causing inflammation
What does leptin do
It decreases appetite and stimulates energy expenditure and it increases proinflammatory cytokines
What happens in obese animals with leptin
The levels increase until the animal develops a resistance
What is osteoarthritis described as
A syndrome characterized by the deterioration of articular cartilage, osteophyte formation, and bone remodeling
Leptin plays a role in what
The development of osteoarthritis
Osteoarthritis can be improved with what
Even modest weight loss
How to calculate daily caloric requirements for dogs and cats
Dogs use RER (or 60% of MER)
Cats use 0.8 x RER (or 70% of MER)
Do you use ideal or current body weight in calculations for caloric intake for weight loss cases
Use current body weight (within reason)
If you decrease calories too much what can happen
Thyroid hormone production will be decreased which will decrease the metabolism and then once start eating at maintenance again can have a weight rebound
How often should weight loss patients be weighed
Every 2 weeks
Steps in obesity management protocol
- Correct and control underlying diseases
- Induce negative energy balance
- Calculate caloric requirements
- Choose appropriate diet
How much of total caloric intake should treats make up
Less than 10%
What percentage of body fat should animals on weight loss program loss a week
1%-2%
What act makes sure food is safe for both people and animals
The Federal Food, Drug and Cosmetic act
What is the NRC
a private, nonprofit organization that makes nutrient recommendations
Is AAFCO a regulatory body and what do they do
no it is not but it establishes model animal feed regulations and ingredient definitions