25.05.2021 Flashcards
in the feeding level (,,,I”; intensity of feeding) = 1, it means that:
A. animal is fed on the maintenance energy level
B. GE content of feed = DE content of feed
C. vaecal energy loss = urinary energy loss
D. transformation factor (k) of ME when concerted to NEm = 1 (which means 100%)
A. animal is fed on the maintenance energy level
The application of long-term control of feed intake in dairy cows can be used to prevent
A. low milk fat syndrome
B. rumen acidosis
C. milk fever
D. ketosis
D. ketosis
what is/Are the physiological effects of yeast in rumen?
A. oxygen scavenging
B. consumption of sugar
C. stimulation of lactic acid consuming bacteria
D. all
D. all
CAB value reflects the effect of … on the acid-base status.
A. dietary organic cations an anions
B. dietary inorganic cations and anions
C. both of organic and inorganic cations and anions
D. dietary supplements
B. dietary inorganic cations and anions
Role of glutamine supplementation in critical illness
A. glycogenic, improves energy balance
B. assist in renal ammonia genesis during increased protein metabolism
C. gluconeogenic metabolite, helps to store glycogen in the liver
D. reduces glutathione synthesis
D. reduces glutathione synthesis
in close-up dry cows, in the negative DCAD diet:
A. increase blood calcium levels by mobilisation calcium from bone and increased absorption from the gut
B. reduced blood calcium levels by mobilisation calcium from bone and excreting through the kidneys
C. increased blood calcium levels by higher reabsorption of phosphorous through the kidneys
D. reduces blood calcium levels by reduced absorption of calcium form the intestine and increased gastrointestinal loss
A. increase blood calcium levels by mobilisation calcium from bone and increased absorption from the gut
right answer is: maintain blood calcium levels through release of calcium from bone and increase absorption of calcium from intestine
Disease caused by selenium deficiency:
A. white muscle disease
B. lethal acrodermatitis
C. alimentary infertility
D. alkali disease
A. white muscle disease
the energy requirement of ruminants is expressed with this unit of measure:
A. MJ/Kg feed
B. MJ/Kg dry matter
C. Kj/Kg dry matter
D. MJ / day
D. MJ / day
In the metabolisable protein system, the energy supply of rumen microbes is expressed by:
A. metabolisable organic matter
B. digestible energy
C. metabolizable energy
D. fermentable organic matter
B. digestible energy
Antinutritive effect of lectins:
A. may cause bitter taste, feed refusal
B. reduces enzymatic protein digestion
C. binds to intestinal epithelial cells, may cause alimental allergy
D. binds phosphorus and thus it cannot be absorbed
C. binds to intestinal epithelial cells, may cause alimental allergy
Dietary NDF content involves:
A. hemicellulose
B. hemicellulose + cellulose
C. hemicellulose + cellulose + lignin
D. hemicellulose + cellulose + lignin + crude fibre
C. hemicellulose + cellulose + lignin
in this animal species, the blood serum is used to control the beta-carotene supply:
A. sheep
B. horse
C. both
D. neither
D. neither
characteristics of voluminous feeds:
A. high energy content related to volume
B. low dry matter content related to volume
C. high dry matter content related to the moisture content
D. low dry matter content related to the moisture content
B. low dry matter content related to volume
biochemical marker used for control of specific mineral supply:
A. selenium
B. vitamin B6
C. ferritin
D. coeruloplasmin
D. coeruloplasmin
abortion may by caused by the following mycotoxin`s
A. F-2
B. T-2
C. both of them (a + b)
D. neither of them
C. both of them (a + b)
the appropriate ratio of dietary copper to zinc is important in the:
A. development of the orthopaedic system
B. development of the urogenital system
C. production of milk (milk yield)
D. proper function of the cardiovascular system
A. development of the orthopaedic system
The MPN content of a feed is calculated like this:
A. UDP + micronial protein, predicted according to the RDP
B. UDP + micronial protein, predicted according to the FOM
C. RDP + micronial protein, predicted according to the FOM
D. NPN + micronial protein , predicted according to the UDP
A. UDP + micronial protein, predicted according to the RDP
Ruminants can degrade the dietary cellulose:
A. within own enzymes
B. with the enzymes produced by the rumen microbes
C. partly with own enzymes, partly with the enzymes produced by the rumen microbes
D. neither the host animal or the rumen microbes can degrade the cellulose
B. with the enzymes produced by the rumen microbes
Canine parakeratosis can be caused by its deficiency :
A. Ca
B. Mn
C. Se
D. Zn
D. Zn
DE content of a feed is originated from:
A. digestible nutrients
B. digestible nutrients* simple nutrients
C. digestible nutrients/ simple nutrients
D. GE + digestible nutrients
A. digestible nutrients
Hot-pressed rapesees cake is feed as an:
A. energy source
B. UDP source
C. both of them ( a+ b)
D. neither of them
C. both of them ( a+ b)
The effect of mycotoxin contamination can be reduced by:
A. heat treatment of feedstuffs
B. chemical treatment of feedstuff
C. adding binding materials
D. all of them
C. adding binding materials
These nutrients will be determined by the proximate analysis:
A. crude fibre (CF)
B. CF + NDF
C. CF + NDF + ADF
D. CF + NDF + ADF + ADL
A. crude fibre (CF)
What is behind the pregnancy toxaemia in ewes?
A. protein overfeeding
B. mycotoxins (DON)
C. heavy metals
D. energy deficiency
D. energy deficiency
The physic acid content of cereal grains have a significant effect on phosphorous bioavailability in the following animals:
A. goats
B. broilers
C. dairy cows
D. all of them
B. broilers
calculation of the digestible crude protein:
A. crude protein /digestible coefficient
B. crude protein*6,25/digestibility coefficient
C. digestibility coefficient*6,25*crude protein
D. crude protein*digestible coefficient
D. crude protein*digestible coefficient
digestion of proteins is decreased by:
A. glycosinolates
B. trypsin inhibitors
C. gossypol
D. all of them ( a+ b)
B. trypsin inhibitors
mostly, it is the first limiting essential amino acid for growth in the diets of mono gastric animals:
A. Met
B. Lys
C. Cys
D. Trp
B. Lys
its deficiency may reduce the fertility in cattle:
A. Mg
B. Mn
C. Mo
D. K
B. Mn
Vitamin D is considered as an immune modulator because it:
A. has antioxidant capacity
B. enhance macrophage differentiation
C. enhance dendritic cell maturation
D. decrease chemotaxis
B. enhance macrophage differentiation
The oat protein contains 3% of Lys, while the egg protein 7% of Lys. how to calculate the chemical score (CS) of oat protein for Lys?
A. 3*7
B. 7+3
C. 3/7
D. 7/3
C. 3/7
The positive protein balance in rumen means that:
A. (MPE+MPN) >MP
B. MPN>FOM
C. MPN>MPE
D. MPE>MPN
C. MPN>MPE