Question from practical Flashcards
The concept of Feed Efficiency is:
A: How much weight is gained (kg) by consuming 1 kg of feed
B: How much feed (kg) is required for 1 kg weight gain
C: How much weight is gained (kg) by consuming 1 MJ energy
D: How much energy (MJ) is required for 1 kg weight gain
B: How much feed (kg) is required for 1 kg weight gain
The concentrated feeds are high in
A. Vitamins and minerals
B. Fiber
C. Energy
D. All of the above
C. Energy
The premix contains:
A. Vitamins, microminerals and antioxidants
B. Vitamins, macro minerals and antioxidants
C. Vitamins, microminerals, macro minerals and antioxidants
D. Vitamins, microminerals, amino acid supplements and antioxidants
A. Vitamins, microminerals and antioxidants
Commercial diets are:
A. Complete and balanced feeds with the amounts of ingredients labelled
B. Complete and balanced feed with only the chemical composition labelled
C. Complete but non-balanced feeds
D. Complete and balanced feeds with both amounts of ingredients and chemical
composition labelled
B. Complete and balanced feed with only the chemical composition labelled
The minimum protein content of protein source is: A. 10% B. 15% C. 20% D. 25%
C. 20%
Starch content of corn can increase the risk of the following diseases:
A. Renal insufficiency
B. Liver insufficiency
C. Asthma
D. Equine gastric ulcer syndrome
D. Equine gastric ulcer syndrome
Which cereal grain is it?: it has highest fiber content:
A. Barley
B. Wheat
C. Oat
D. Corn
C. Oat
Cause of ruminal acidosis can be:
A. High soluble fiber content in the daily ration
B. High starch content in the daily ration
C. High phosphorous content in the daily ration
D. High protein content in the daily ration
B. High starch content in the daily ration
Which cereal grain is it?: it has the highest energy content:
A. Wheat
B. Oat
C. Barley
D. Corn
D. Corn
Which cereal grain is it?: it has the highest starch content:
A. Oat
B. Wheat
C. Corn
D. Barley
C. Corn
It is one of the by-products of fruit processing
A. Corn germ
B. Apple pomace
C. Corn gluten meal
D. CGF
B. Apple pomace
The most important antinutritional factors in that feed are the trypsin inhibitors
A. Horse bean
B. Lupine
C. Corn gluten meal
D. Soybean
D. Soybean
This feed belongs to the legume seeds
A. Oats
B. Wheat
C. Barley
D. Field pea
D. Field pea
Crude protein content of legume seeds ranges between
A. 45–55%
B. 20–40%
C. 10–15%
D. 60–75%
B. 20–40%
Related to their Lys content legume seeds are
A. Rich in Met and Cys
B. Poor in starch
C. Poor in Met and Cys
D. Poor in DE
C. Poor in Met and Cys
The most important anti-nutritional factors of extracted CANOLA rapeseed meal are
A. Tannic acid
B. Trypsin inhibitors
C. Glucosinolates
D. Glucosinolates and erucic acid
A. Tannic acid
It can be given as UDP (by-pass protein) source to high-milking dairy cows
A. Hot-pressed rapeseed cake
B. Extracted soybean meal
C. Both
D. Neither of them
A. Hot-pressed rapeseed cake
How many percent is the protein content of extracted meals?
a. 20–30%
b. 20–40%
c. 35–50%
d. 35–60%
c. 35–50%
The limiting essential amino acids are the following
A. Met+Cys are in both extracted sunflower and soybean meal
B. Met+Cys are in the extracted sunflower and Lys is in the extracted soybean meal
C. Lys is in the extracted sunflower and Met+Cys are in the extracted soybean
meal
D. Lys is in both extracted sunflower and soybean meal
C. Lys is in the extracted sunflower and Met+Cys are in the extracted soybean
meal
It should not be used in the broiler starter diets
A. Extracted sunflower meal
B. Extracted soybean meal
C. Extracted peanut meal
D. Extracted rapeseed meal
A. Extracted sunflower meal
How much vegetation water do the green forages contain?
a. 70–80%
b. 60–65%
c. 20–30%
d. 45–55%
a. 70–80%
Quantities of the readily available carbohydrates increase in these green forages in the order as follows:
A. Grasses < legumes < green maize
B. Legumes < grasses < green maize
C. Legumes < green maize < grasses
D. Green maize < legumes < grasses
B. Legumes < grasses < green maize
How does the crude fiber content change in the green forages during the different vegetation phases of plants?
A. It does not change
B. It increases constantly
C. Only the lignin content increases
D. It decreases gradually
B. It increases constantly
Maximum how much green forages can the ruminant species ingest daily concerned their body weight?
A. 6–7%
B. 4–5%
C. 8–10%
D. 2–3%
C. 8–10%
Which of these cultivated green forages doesn’t have an antinutritive? A. Alfalfa B. Lupine C. Peas D. Melilot
C. Peas
Which species requires beta carotene? A. Sheep B. Goat C. Horse D. Cattle
D. Cattle
Hay steaming reduces the concentration of
A. Respirable dust
B. Bacteria
C. Moulds
D. All of them
D. All of them
Alfalfa hay is not given to
A. Bull
B. Fattening beef cattle
C. Dry cow
D. Lactating dairy cow
C. Dry cow
The recommended moisture content for baling hay
A. >25%
B. Appr. 15%
C. 15–25%
D. Appr. 10%
B. Appr. 15%
How much hay should a dairy cow eat a day? A. 2–3kg B. 4–6kg (min.BW1%) C. 6–8kg D. 8–10kg
B. 4–6kg (min.BW1%)
Good quality DDGS has …
A. Has bright yellow color
B. Has light brown color
C. Has black color
D. Has dark brown color
A. Has bright yellow color
This brewery by-product is mainly given to ruminants
A. Brewers yeast
B. Brewers grain
C. Malt sprout
D. All of them
b. Brewers grain
Which by-product contains approximately 25% crude protein and 10 – 15% crude fiber?
A. Malt sprout
B. DDGS
C. Brewers grain
D. Brewers yeast
A. Malt sprout
Which statement is true?
A. DDGS is high in fiber
B. DDGS is high in starch
C. DDGS is a good protein source
D. None of them
C. DDGS is a good protein source
Which by-product is rich in essential amino acids?
A. Brewers yeast
B. Brewers grain
C. Malt sprout
D. All of them
A. Brewers yeast
Minimum amount of dry matter in the feedstuffs to be taken for laboratory analysis
A. 700–800g
B. 100–200g
C. 500–600g
D. 300–400g
C. 500–600g
For which animal is the feeding of fish meal forbidden at the present in Europe?
A. Kittens
B. Dairy cows
C. Laying hens
D. Growing sows
B. Dairy cows
How much crude protein does the black soldier larvae contain? A. 40 – 44% B. 10 – 14% C. 60 – 64% D. 30 – 34%
A. 40 – 44%
Which dairy industrial by-product does have the lowest crude protein content?
A. Skimmed milk
B. Buttermilk powder
C. Casein
D. Whey powder
A. Skimmed milk
Which weed seed does not mean a toxic agent in a feed concentrate mixture?
A. Silk mallow (Malva sylvestris)
B. Corn-rose (Agrostemma ghitago)
C. Jimsonweed (Datura stramonium)
D. Castor (Ricinus communis)
A. Silk mallow (Malva sylvestris)
Dry matter content of silage:
A. 20 – 25%
B. 30 – 35%
C. 40 – 45%
D. 50 – 55%
B. 30 – 35%
Characteristics of maize silage at low cutting height:
A. Lower fiber content, low loss, weaker digestibility
B. Higher fiber content, higher loss, better digestibility
C. Lower fiber content, higher loss, better digestibility
D. Higher fiber content, low loss, weaker digestibility
D. Higher fiber content, low loss, weaker digestibility
Optimal pH of good quality corn silage:
A. 3.5 – 4.0
B. 4.0 – 4.5
C. 4.5 – 5.0
D. 5.0 – 5.5
B. 4.0 – 4.5
Feeding silage increases the risk of:
A. Brucellosis
B. Tetanus
C. Listeriosis
D. Leptospirosis
C. Listeriosis
Buffer capacity in a plant is reduced by:
A. Fat content
B. Protein content
C. Sugar content
D. Fiber content
C. Sugar content
To prevent DOD the large-breed puppies should be:
A. Nourished restricted
B. Given small meals daily
C. Given Ca supplements
D. Nourished ad libitum
B. Given small meals daily
CAB value of Ration No 2 consists of corn silage and meadow hay in … (mEq/kg DM)
A. 248
B. 2728
C. 2455
D. 2622
A. 248
To prevent hypocalcemia the CAB value of daily rations fed in two weeks prior to calving should be:
A. Between plus 200 and 350
B. As close to zero as possible
C. Between -50 and -150
D. Below minus 150
C. Between -50 and -150
In term of hypocalcemia postpartum the most critical dietary cation is:
A. Mg
B. K
C. Ca
D. Na
B. K
Why feed alfalfa to a foal age 5-6 months to 1 year old?
A. Feed ad libitum because of high protein
B. Feed ad libitum because of high energy
C. Both
D. Neither
D. Neither
It can be used in pullet diet for dilution of energy density:
A. Wheat germ
B. Wheat
C. Wheat bran
D. Corn
C. Wheat bran
This feed belongs to the milling by-products of cereal grains:
A. Wheat bran + wheat germ + corn gluten meal
B. Wheat bran + wheat germ + corn gluten meal + corn germ
C. Wheat bran + wheat germ
D. Wheat bran
C. Wheat bran + wheat germ
Expected effect of dietary phytase enzyme supplementation:
A. Better P utilization
B. Less environmental P pollution
C. Both
D. Neither of them
C. Both
hey are natural antioxidants:
A. Tocopherols
B. Tocopherols + BHA + ß-glucanase + NSP (Non-Starch Polysaccharides)
C. Tocopherols + BHA + ß-glucanase
D. Tocopherols + BHA (butylated hydroxyanysole)
A. Tocopherols
Its crude fiber content is approx. 10 – 12%
A. Meadow hay
B. Horse bean
C. Wheat bran
D. Barley
C. Wheat bran
Dietary protein balance =
A. NEm-NEg
B. NEm+NEl+NEg
C. NEm+NEg
D. MFN-MFE
D. MFN-MFE
Urea can be used:
A. For microbial protein synthesis in the rumen
B. For protein synthesis in the small intestine of both ruminants and monogastric animals
C. For protein synthesis in the small intestine of ruminants and in the hind gut of monogastric animals
D. For protein synthesis in the small intestine of ruminants
A. For microbial protein synthesis in the rumen
Prerequisite of dietary urea supplementation:
A. Energy surplus in the rumen
B. Energy deficit in the rumen
C. Energy surplus in the hind gut
D. Energy deficit in the hind gut
A. Energy surplus in the rumen
For a beef cattle having 600 kg of body weight the possible amount of urea supplementation is expressed in
A. Kilograms (kg) per day
B. Grams (g) per day
C. Micrograms per day
D. Milligrams (mg) per day
B. Grams (g) per day
The daily ration can be supplemented with urea if the protein balance is:
A. Zero
B. Positive
C. Positive or zero
D. Negative
D. Negative
How much the total energy requirement of the dairy cow with BW of 680 kg, milk yield is 30 l, being in the 2nd phase:
A. Appr. 140 MJ NEl
B. Appr. 136 MJ NEm
C. Appr. 136 MJ NEl
D. Appr. 140 MJ NEm
A. Appr. 140 MJ NEl
The milk fat content (%) is used to calculate:
A. Maintenance MP requirement
B. Maintenance energy requirement
C. Energy requirement of milk production
D. Energy requirements of maintenance and milk production
C. Energy requirement of milk production
The daily DMI capacity of dairy cows is appr. … of the BW
A. 1.5–2%
B. 2–3%
C. 3–4%
D. 18–23%
B. 2–3%
In the second period of first lactation, it must be improved by 20%
A. Energy requirements of maintenance and milk production
B. Maintenance requirements all
C. Requirements of maintenance and milk production
D. Only the maintenance energy requirement
B. Maintenance requirements all
The ideal body condition of dairy cows can be only set up in which lactation period:
A. First
B. Second
C. Third
D. In whole lactation
C. Third
70 – 80% of its dry matter content is starch
A. Dried sugar beet pulp
B. Potato
C. Molasses
D. All of them
B. Potato
Approx. crude fiber content of wheat straw:
A. 10%
B. 20%
C. 30%
D. 40%
D. 40%
They have high (70 – 90%) moisture content:
A. Roots and tubers
B. Molasses
C. Both
D. Neither of them
A. Roots and tubers
Based on its/their composition, it/they can be fed to ruminants, either alone as an exclusive feed
A. Roots and tubers
B. Vet sugar beet pulp
C. Both
D. Neither of them
D. Neither of them
Its crude protein content is more than 20%:
A. Dried sugar beet pulp
B. Potato
C. Both
D. Neither of them
D. Neither of them
