Ansci 04

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Which of the ff is the smallest compartment of the ruminant stomach?

reticulum

The top region in terms of total chicken laying flock inventory distribution in the third quarter of 2023

CALABARZON

The top region in terms of swine inventory distribution in the third quarter of 2023

CALABARZON

Which enzyme is naturally present in meat and becomes more active under acidic conditions, contributing to meat tenderization?

cathepsins

This placental membrane is known as the "first bag" and acts as a urinary and solid waste outlet for the developing embryo.

Allantois

A by-product in the manufacture of sugar from sugarcane is called

Molasses

The group of organs that convey oxygen, nutrients, and body fluids to the cells and carry wastes from the cells to the excretory organs

Cardiovascular system

A bony core that projects from the frontal bone of the skull

Horns

The neck of the uterus that is tightly closed except during estrus and parturition, with a heavy smooth sphincter muscle, is called

cervix

When a female does not show any signs of heat, the animal is said to be

anestrus

The stomach compartment of ruminant animals which is called the "manyplies"

omasum

The exchange of heat between two objects that are not touching is called

radiation

This stage of the estrous cycle is known as a period of preparation and is sometimes referred to as the "first and build-up stage"

proestrus

The primary function of the ovary is the production of what?

egg

The process whereby the new embryo becomes established at a development site in the uterus, where it will then develop and become a fetus, is called

Implantation

Normal heartbeat of cattle

40-60 beats per minute

What is the hollow region in the diaphysis of a long bone called?

medullary cavity

Fats are insoluble in water but soluble in organic solvents yield more energy than carbohydrates or proteins

2.25

What is the total nitrogen content in grams of a 150g feed sample that contains 39% crude protein?

9.4

Curled toe paralysis in birds is due to lack of

riboflavin

CP% content of layer mash at 20 weeks of age

16.90%

ME content for finisher feeds for broiler-type chicken

2800 kcal/kg

What is the precursor compound for the synthesis of nicotinamide, vital component of the B-vitamin niacin?

tryptophan

The amount of dry matter consumed by a 20kg goat

600g

Which type of feed form reduces dustiness, prevents ingredient selectivity, improves efficiency, and in some cases enhances digestibility?

pellets

Identify the animal-based feed ingredients that serve as common sources of oil among the ff. options

tallow

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

Zearalenone

All are disaccharides EXCEPT

fructose

Which among the following is a VFA

butyric acid

A condition that stems from the body shifting to burning fat for energy due to a deficiency in carbohydrate.

ketosis

Livestock species characterized with a stocky build, sickle shaped horns, black coat, and a white chevron at the chest area.

Bubalus bubalis carabanensis

A characteristic of poultry species wherein male and female animals are distinct from each other in traits other than their reproductive anatomy.

Sexual dimorphism

Type of bone found normally in limbs that serve as the site of blood formation in most animals.

long bones

Type of bone unique to avians that aid in respiration and flight

Pneumatic bones

Muscles under this category are controlled consciously and are characterized by striations and multiple nuclei.

Skeletal

Muscle tissue is primarily composed of these two proteins.

Myosin and actin

I. Cardiac muscle is innervated by the central nervous system. II. Smooth muscle is found in the linings of exocrine glands.

Statement I is FALSE while statement II is TRUE.

I. Hypertrophy is characterized by enlargement of muscle fibers. II. Muscle tissue is able to store glycogen.

Both statements are TRUE

The flow of nerve impulses from one neuron to another always flow from _______.

Axon to Dendrite

This is a gap in between adjacent nerve cells where neurotransmitters travel through.

synapse

The autonomic nervous system that is active during high-stress conditions.

Sympathetic

The brain stem is part of which nervous system?

Central

The adenohypophysis produces the following hormones EXCEPT

GnRH

The adrenal gland produces the following hormones EXCEPT

adenocorticotrophic hormone

What part of the pancreas produces the hormone glucagon?

Alpha islets

The hormone responsible for water retention and is important in regulating urine formation

ADH

A condition caused by over secretion of T3 and T4 whose symptoms are abnormally high metabolism and wasting for some livestock species.

hyperthyroidism

This AV valve is located between the left atrium and the left ventricle.

bicuspid valve

Which among these cells is not a part of the solid component of blood?

myocytes

I. Developed mammalian red blood cells are non-nucleated. II. White blood cells act as "soldiers" of the body against infections.

BOTH statements are TRUE

This type of respiration is characterized by rapid shallow breaths such as when dogs pant.

polypnea

The water in blood is considered to be:

intravascular fluid

A non-reducing dissacharide.

sucrose

Glycogen is stored in myocytes and where else?

hepatocytes

I. Amylase can breakdown alpha 1-4 glycosidic bonds. II. Margarine is made up of saturated fatty acids.

Both statements are TRUE

Which of the following is not a VFA?

Propionate

Which among the following is a non-essential amino acid

Pro

Vitamin D is necessary for ______

bone mineralization

All are forage legumes except:

Rottboellia cochinchinensis

All are examples of cured meat except for

meat loaf

Cheese is made up of coagulated __________ proteins.

casein

Kind of balut that is incubated for at most 16 days prior to being cooked.

balut mamatong

Study of genetics established by Gregor Mendel that served as the foundation of our understanding of heredity.

Classical genetics

The following are nitrogenous bases found in the DNA except for:

Thiamine

I. Recombination occurs during Prophase I II. All cells undergo mitosis

Both statements are TRUE

The following are functions of a gene except.

serve as components of cellular elements

Consider the following mating of two sheep breeds with the following genotypes and traits: H > h -------- Horned is dominant to polled phenotype W > w -------- Thick wool is dominant to thin wool Sire: HHWw Dam: hhww What is the chance of having an offspring that is polled and has a thick wool.

none of the above

If the allelic frequency of a gene for its dominant and recessive alleles are 40% and 60% respectively and the population is said to be in Hardy-Weinberg equilibrium, what would be the trend of the dominant allele frequency after 20 generations?

Constant

Type of selection method wherein individuals are selected according to set thresholds for multiple traits all at once.

independent culling

Refers to the average age of the parents at birth of their offspring that in their turn will produce the next generation

generation interval

Refers to the increase in performance of progeny coming from crossbreeding.

hybrid vigor

I. Most animals (pigs) for slaughter are 3-way or 4-way crosses II. American Brahman is a species hybrid.

Statement I is TRUE, statement II is FALSE

A breed of chicken developed in Indonesia characterized by a melanistic appearance and is considered as the "Rolls Royce of poultry".

Ayam Cemani

The Darag native chicken originated from the island of _______

Panay

Which among the Itik Pinas lines is a hybrid?

IP-Kayumanggi

A practice done on layer chicks to suppress cannibalism in the flock.

debeaking

I. Growth rate and weight is closely monitored for layers. II. Eggs should be stored in a temperature below the physiological zero.

Both statements are TRUE

All are methods of artificial incubation EXCEPT:

hot water bath

All are methods of vaccination for poultry EXCEPT:

intracloacal

The current average annual egg production of native chickens fall on the range of _____________

100 -120 eggs per year

A breed of cattle prized for its intense marbling.

Hanwoo

As of 2023, what comprises the majority of beef cattle enterprise in the Philippines

Small-hold

The average of the volume of ejaculate of a bull.

2 - 12 mL

I. Bulls are allowed to stay with the pregnant herd. II. The fattening herd is usually allowed to graze freely in commercial feedlots.

Both statements are FALSE

If the cow was bred in November 15, 2023, when is the EDC?

August 23, 2024

All are methods/implements of dehorning EXCEPT:

burdizzo

A management practice that originated in Southern Tagalog which involves force-feeding cattle with a slop made of water and a high energy concentrate.

supak

The failure of a mature follicle to rupture will result in:

Constant heat

The thermoregulatory organ of the male reproductive system is called

Scrotum

Systematic circulation which supplies arterial blood to the kidney

Renal circulation

The site of protein synthesis in the cell

Ribosomes

All of the following belong to the general-purpose type of chicken, except

Blue Andalusian

Produced only in the mammary gland and commonly referred to as "milk sugar"

Lactose

All of the following are causes of dystocia except

Multiple births

The site of sperm maturation in the male reproductive system

Epididymis

Cowper's gland is also known as what?

Bulbo-urethral gland

A hormone produced from the corpus luteum of the ovary used to maintain pregnancy

Progesterone

The hormone responsible for ovulation

Luteinizing hormone

A male reproductive organ that serves as a valve to prevent urination while the male is sexually excited

Ampullae

100

All of the following are management practices for animals prior to slaughter except:

Adequacy of meat preservation

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