Past qs 14 Flashcards
GH in dairy cow stimulates?
Lipolysis
Body condition score above optimum?
Time of ovulation delay and feed intake decrease
Crop field moulds require?
High water activity, then storage
In the rumen, Loccus albus splits?
Cellulose
Eq; daily C and P requirements are expressed as?
An absolute number
Oxidative decomposition is expressed by what?
Peroxide <25
Degree of hydrolytic rancidity is expressed by what?
Acid number
Dry/keratinization in mouth is caused by what?
Lack of Vitamin A
Ash represents?
Inorganic matter
Humidity in air dried feed is?
20-25%
Unipolar absorption occurs in?
Fe
AMEN?
Broiler chicken
Gunistein and deidein are?
Phyto-estrogens
Energy status of dairy cow can be improved by?
Feeding choline and glycerine
Feed conservation ration means?
Feed intake (kg) per produced product
Tryptophan to serotonin? What is needed
Vitamin B6 (pyridoxine)
CAB in great dane must be a positive?
NO
One of the main physiological function to maintain proteins?
Vitamin A, Niacin, Vitamin U(S-methylmethionine)
Opistonus is caused by?
Vitamin B1 deficiency
Bipolar absorption occurs in?
Zn and Cu
What is encephalomalatia?
Vitamin E deficiency
Phosphate is higher than calcium in what?
Oats
What is the swan report?
Antibiotics
Digestibility by indicator method? Does not measure feed intake and output; indicators are
Cr2O, Mn, FeO2, SiO
What does leptin mainly do?
Made by adipose tissue (short term feed intake control) Makes you feel full
Peroxide no. good feed is
considered?
<25
Some breeds accumulate?
Copper
Methods to calculate ”q”?
(ME/GE) x 100
Male – T2 mycotoxin?
Increases sperm abnormalities and reduces levels
What feed has the ant nutritive of
sapononins?
Alfalfa
What causes perosis in poultry?
Lack of biotin, folic acid, and Mn
Feeding too much UDP to a lactating dairy cow results in?
Makes the period from calving to re-conception longer
What are considered neutral acids?
Fish oils and Conjugated linoleic acid
Many hormones are dependent on?
Zinc
What is determined based on changes in body weight?
Protein efficiency ratio
How can you reduce the occurrence of mastitis in dairy cows?
Vitamin E (tocopherol)
Urea can be added to the diet if?
UDP (-) or protein balance (+)
What may contain Vitamin E antinutritive factor?
Cotton Seed Meal
What causes Papilledema (swelling of optic nerve)?
Vitamin A deficiency(calf)
What is the antinutritive of rapeseed?
Glucosinolates (bitter taste)
TDN is Required to Calculate?
DE+UFP
DCP used in which species?
Rabbit, pig, horse, duck
MP used in which species?
Dairy cow, beef cattle, sheep
What is the limiting AA?
Lysine – Cereal grains
Methionine – Legumes
Enzyme supplements in barley
based diets for chicks?
Glucanase and Phytase
Glucanase: break down a glucan, a polysaccharide made of several glucose sub-units
Phytase: break down phytate P (the main form of P in grains
Why is cellulose added to diets?
To increase fibre digestibility
Order the CP content based on DM bases: • Soybean • Fish meal • Alfalfa Hay • Extracted soybean meal
Alfalfa hay ((20%) < Soybean (40%) < Extracted soybean meal (50%) < Fish meal (60-70%)
Air dried feeds have what water
content?
14-16% water content
What anti nutritive is found in soybeans?
Trypsin inhibitors
Which vitamin helps to prevent osteomalacia in humans
Vitamin D
