AnSci 02

100問 • 1年前

問題一覧

What primarily satisfies the energy requirements in ruminants?

Volatile fatty acids (VFA)

Which vitamin deficiency in cattle is associated with symptoms like night blindness or xerophthalnia and can be treated effectively with vitamin supplementation?

Vitamin A deficiency

Which of the following is an essential amino acids?

Leucine

What is the common name for Clostridium tetani in cattle, which can lead to a condition characterized by muscle stiffness and spasms?

Lockjaw

What is the incubation period of a muscovy duck?

35 days

Most common breed of Japanese quail in the country

Japanese Seattle

Which of the following toxic substances is primarily associated with Fusarium contamination in feeds?

Zearalenone

Among these animal species, which one has multiple ovulations during a normal estrous cycle?

sow

If a goat was bred on April 16, 2024, when is its expected date of birth?

September 13

Which of the following is not correct?

ISUbela: Quezon

Which of the following breeding systems reduces the hybrid vigor of offspring in ruminants?

inbreeding

The most important sense of chicken

sense of sight

A deficiency in this vitamin may result to Encephalomacia in chicks

This are composed of sugar and starches and are the primary source of energy for pigs

carbohydrates

The most essential and cheapest nutrient for livestock and poultry

water

Soybean meal as a nutrient source is deficient in sulfur-containing amino acids. Which among the following amino acid supplements should be added to a ration composed primarily of soybean meal in order to get more complete nutrional value?

methionine

Mimosine or leucenol is a toxin present in some leguminous plants which causes poor body condition and hair loss once ingested in high concentrations by livestock. Which among the following feed material may contain mimosine?

ipil-ipil meal

The most abundant carbohydate in the world which cannot be consumed and completely utilized by most animals for energy except for the ruminant class

cellulose

Which among the following vitamins is not synthesized by cattle or the microbes in its GI tract?

Vitamin A

Which among the following minerals is needed in trace amounts for animals?

Which is the general trend for protein requirement of growth in livestock and poultry?

decrease with age

The ff are physiological states requiring nutrition EXCEPT:

none of the above

Silage is a feed material that is produced by storing fresh forage in a/an ____ environment to facilitate the growth of lactic-acid producing bacteria

anaerobic

It is proximate component of feed which include those materials that are of low digestibility like cellulose, hemicellulose, and some lignin

crude fiber

An anti-nutritional substance in sorghum which makes it a poor grain feed for many livestock and poultry species

tannin

Which vitamin requires cobalt as its cofactor?

B12

This is predominant nutrient in animal bodies

proteins

Transport mechanisms involved in amino acid absorption

active transport

Which among the ff. amino acid contains sulfur in its R-group?

cysteine

Parakeratosis in swine is characterized by the appearance of keratinized lesions in the epidermis. This disorder is caused by a deficiency of which mineral?

zinc

Barring plumage is a sex-linked trait in chickens. If a barred hen mates with non-barred rooster, what is the proportion of barred female offsprings?

If a polled cattle (hh) is mated with a horned cattle(Hh), and knowing that the horned trait is dominant to the polled trait, what is the probability of having a polled calf?

1/2

If half-sibs are mated with each other under an inbreeding system, what will be the inbreeding coefficient of the offspring?

0.125

Traits that are discrete or distinct and can be counted rather than measured.

qualitative

The sex that carries heterogametic chromosomes in poultry

female

A mating system between a native animal and an exotic commercial breed (i.e. native goat x Anglo-Nubian).

upgrade

Involves the collection, processing and introduction of semen to the female reproductive tract to induce pregnancy

artificial insemination

What is the additive genetic correlation between half-sib animals?

0.25

A type of mating wherein animals that are closely related are mated with each other in an effort to generate more uniform characteristics

inbreeding

A type of selection system wherein animals are selected based on traits that are evaluated one at a time.

tandem method

Non-medelian inheritance referring to a single gene that influences more than one trait

pleiotropy

A heritability of 0 means that all variations observed in the population of the trait is determined by

environment

The following conditions are all assumptions of a population in Hardy-Weinberg equilibrium EXCEPT:

larger, stronger male animals are the only ones from the herd that get to mate with females

What are the elements that separate in meosis 1?

homologous chromosomes

In the model P=G+E+GE, what does G stand for?

genetic variations

This refers to the relative abundance or the relative rarity of a particular gene in a population

gene frequency

Which among the following livestock has a 2n chromosome count of 50

riverine buffalo

What is the appropriate weight of which heifers are ready to be bred

200-250

When should a cow be inseminated (AI) if estrus is observed in the morning

in the afternoon

The following are signs that a cow is about to give birth EXCEPT:

none of the above

Term used to refer to difficulty in giving birth

dystocia

A breed of buffalo usually imported by the Philippines and is primarily used for dairy production and/or upgrading breeding schemes with Philippine carabao

murrah

The following are all signs of estrus for cattle EXCEPT:

brooding

How long is the recommended drying period for dairy cows

60 days

What is the length of time after insemination when rectal palpitation can be done to check for successful breeding?

60 days

This is the height where the automatic waterer for grower pigs is placed

18-20cm from the floor

A type of flooring usually preferred for larger pigs

concrete

Class of poultry breeds that are bred specifically for their aesthetic appeal

fancy class

A group of Philippine native chicken that are predominant in the island of Panay and neighboring regions

Darag

Which among the itik pinas breeds is a hybrid?

IP-kayumanggi

A poultry-raising scheme where independent farmers enter into an agreement with commercial companies wherein the raising of the animals are outsourced to the farmers in exchange for guaranteed market and source of inputs

contract growing

What could be the prevailing condition of a brooder area when chicks are staying close to the inside periphery of the brooder guard away from the lamp?

temperature is too high

A management practice for eggs done to check for fertilized eggs by holding them against a strong light source

candling

All are ways to administer poultry vaccines EXCEPT:

intraabdominal

A plumage pattern characterized by distinct contrasting thick band patterns (often black and white)

barred

A method of chick sexing wherein a probe is inserted in the cloaca to check for the presence of testicles

vent sexing

All are strains of commercial broilers EXCEPT:

babcock white

Which breed of pig is known for its prolificacy and is termed as the "mother breed"

Yorkshire

A type of sow herd enterprise where the outputs are junior boars or replacement gilts

farrow to breeder

All are characteristics of a good breeder boar EXCEPT:

at least 6 pairs of rudimentary inverted teats

The act of increasing the feeds given to gilts 10-14days before the date of breeding to facilitate increased ovulation

flushing

All are recommendations for gilts at first breeding EXCEPT:

none of the above

All are heat detection techniques for pigs EXCEPT:

rectal palpation

A piglet management practice performed to minimize the possibility of cannibalism between penmates

tail docking

Which among the ff behaviors do not indicate that a pregnant sow is about to farrow

flehmen posture

Which among these structures should be situated near the entry of the farm to limit the movement of visitors/outsiders within the farm

office

The extensive system of beef cattle production is also popularly known as:

Ranching

This part of the cattle housing is used for restraining animals for dehorning,branding, castration, or other cattle working operations

squeeze chute

Largest dairy breed developed in the Netherlands characterized by black and white coat and high milk yield

Holstein-Friesian

Most popular system of cattle raising in the Philippines characterized by cut-and-carry feeding and confined until market weight is

growing-fattening operation

A burdizzo is used for what?

castrating

What is the causative agent of cattle food-and-mouth disease?

Aphthovirus

If a growing cattle is being fed 1.3kgs of ration (DM basis), how much urea (in grams) can be safely supplemented on the cattle feed?

13g

This is a legislative instrument that requires cattle owners to have their animals registered and properly identified in order to minimize the potential for cattle theft (rustling).

PD533

All are techniques routinely used for pregnancy diagnosis in cattle EXCEPT:

spectrophometry

Term used to refer meat coming from cattle slaughtered before 1 year of age

veal

Animals to be slaughtered are often fasted a considerable period of time before slaughter with drinking water provided ad libitum. "Ad libitum" means

unrestricted

This constitutes the act of cutting whole carcasses into primal and retail cuts

fabrication

The following are commonly used methods of stunning animals prior to slaughter EXCEPT:

chemical

Meat that come from animals and are slaughtered in a way that is permissible by Islamic religious law is termed:

Halal

The characteristic stiffening of muscles after death of the animal is circumvented by what meat processing techniques?

chilling and hanging

A meat preservation technique that involves the use of nitrates, sugars, and salts to delay microbial growth and impart a unique flavor to meat

curing

Which among the following is a dried meat product?

Etag/itag

Which among the following is a cured product?

tocino

Refers to meat coming from uncertified or illegal sources

hot meat

This is a test used to detect subclinical mastitis and dairy cows by observing how milk samples will change color and coagulate as a response to the test reagent

California milk test

Which among the following milk components is absent in skim milk

cream

A liquid by-product of cheese making that arises from the coagulation of proteins

Whey

100

A pasteurization method in dairy products wherein the milk is subjected to 135-154 degree Celsius for 1-8 seconds

UHT

CropSc 01

Anne Ranay · 100問 · 1年前

CropSc 01