Livestock science

Which year were the first livestock animals brought over to the New World?

1493

What is the estimated global population for 2050?

9 billion

Brucellosis and vibriosis both have the common symptoms of __________.

Abortion and infertility

Select all the following symptoms of strangles.

Abscesses Difficulty breathing and swallowing Fever Nasal discharge Swelling of throat

Select the two main parts of the immune system.

Acquired Innate

What is the best treatment option for an animal diagnosed with pink eye?

Administer antibiotics and use topical application and eye patch

A common prevention technique against bacterial disease is __________.

Administering vaccinations

Select all the following diseases which have strict guidelines in place to prevent the spread, introduction or reentry into the country.

African swine fever Foot and mouth disease

APHIS

Animal and Plant Health Inspection Service

Vincent fed his steer at 7:00 a.m. He went out just two hours later to find his steer laying down, breathing heavily and very weak. He called his local vet and described his steer as having uncoordinated movements and convulsions. The vet might diagnose the steer with which of the following bacterial diseases?

Anthrax

Which of the following diseases must immediately be reported to local and state health department, animals health officials and the CDC National Center for Infectious Diseases?

Anthrax

Avian

Birds

Hemorrhagic

Bleeding

The Brahman breed would be an example of ___________ cattle.

Bos indicus

With the use of ______________, breeders are able to prevent injuries to animals as well as control the progeny.

Both embryo transfer and AI

Originally, fairs and shows were done in order for farmers to _____________.

Both show their animals and sell their animals

Which of the following diseases is one of the most significant economic losses for cattle producers?

Bovine respiratory disease

Signs of cerebellar hypoplasia in calves include tremors, stumbling, failure to nurse, lack of coordination and involuntary muscle movements. These symptoms may be seen when a calf is experiencing __________.

Bovine virus diarrhea

According to the presentation, which of the following best describes animal management?

Care, control and handling of animals

1. Which of the following companies is NOT a member of the Global Harvest Initiative?

Case®

Monogastric

Cats Dogs Humans Swine

Ruminant

Cattle Goats Sheep

According to the presentation, which of the following is NOT a common swine vaccine?

Clostridial vaccine

Which naturally occurring bacteria cause enterotoxemia?

Clostridium perfringens

CAFO stands for ______________________________.

Concentrated animal feeding operations

A pig farmer has noticed his hogs have the following symptoms: fever, weakness, skin discoloration and lesions, diarrhea, vomiting and difficulty breathing. This farmer has never seen an outbreak of an illness this rapid. Which of the following is the best course of action for the farmer?

Contact a veterinarian to conduct proper testing and investigation

Which of the following is an effect of rickets?

Crooked limbs

Which of the following is one of the most identifiable symptoms of bluetongue?

Cyanosis

Which of the following is considered a large problem when feeding the world?

Distribution

When animals are being used to pull loads, these animals are commonly referred as __________ animals.

Draft

Neurologic signs include circling, head pressing, incoordination and convulsions. These symptoms are often seen when an animal is experiencing __________.

Enerotoxemia

Which of the following is NOT a bacterial disease?

Enterotoxemia

Horses evolved from a foot tall, swamp dwelling, four toed, drawn horse, called the __________.

Eohippus

Jackson is raising shows pigs for his SAE. This year he has three show pigs, one of which is ill. Symptoms include a slight fever, decreased appetite, swollen joints and lameness, which started as stiff movement. What bacterial disease may Jackson's pig have?

Erysipelas

Nutritional diseases cannot be prevented regardless and should be expected in all operations.

False

How long are sheep and goat gestation periods?

Five months

Also known as "grass staggers" or "wheat pasture poisoning," __________ is a serious, fatal, metabolic disorder caused by low levels of magnesium in the blood.

Grass tetany

Hindgut- Fermenter

Guinea pigs Horses Rabbits

Which of the following are common fomites which may spread diseases in livestock?

Halters, troughs and vehicles

According to the presentation, which of the following is NOT a purpose mentioned for ventilation?

Help regulate animal body temperature

Colic mainly impacts __________ as they are unable to vomit.

Horses

Which disease is also known as red nose due to one of its most significant symptoms being rhinitis?

Infectious bovine rhinotracheitis

The __________ immune system is the first response, while the __________ immune system responds to vaccinations and is built over time.

Innate; acquired

Injections which are injected into the vein are __________, while __________ injections are injected into the skin.

Intravenous; subcutaneous

Select the following objects the immune system defends against in the body. Antibiotics

Invasive cells Outside objects Parasitic worms Viruses

Why is protein crucial to an animal's diet?

It develops DNA, bones and muscles

Which of the following is a wasting disease in ruminants causing progressive thickening of the intestinal walls?

Johne's disease

According to the presentation, which of the following is NOT a result of protein deficiencies?

Ketosis

Hepatic

Liver

According to the presentation, which of the following is NOT a main consideration of animal management?

Location

Select all the following symptoms of porcine parvovirus.

Low birth weight Mummified fetuses Stillbirths

Respiratory

Lungs

Intramuscular fat is more commonly referred to as ____________.

Marbling

Jonathan is a cattle rancher and recently found one of his cows in poor condition. The cow had muscle tremors, was wobbly, had a low body temperature and was not able to stand. This cow might have which nutritional disease?

Milk fever

Neurologic

Nervous system

What characteristics do the diseases tuberculosis, Johne's disease and brucellosis have in common?

No available treatment

Which of the following is dependent on an animal's age and function?

Nutritional requirements

A young pig was diagnosed with porcine circovirus. The pig most likely has which type of porcine circovirus?

PCV2

Justin's sheep have recently been sick. Symptoms include decreased appetite, shallow breathing, runny nose and cough. The weather has been cold and rainy for the past two weeks, but has recently started warming up. A vet could diagnose his sheep with which of the following bacterial diseases?

Pneumonia

Which is NOT a "P" of the "Three Ps" of feed efficiency?

Preference

According to Gary Smith, what challenge will producers face when trying to feed the world's population?

Producing food using technologies which does not endanger public health

According to the presentation, which of the following is the most expensive nutrient in feed rations?

Proteins

Plants which _________ meat are marked by an offensive odor and are often far from people and towns.

Render

Also known as scurvy, __________ is typically seen in young, growing animals and is caused by imbalances of dietary calcium, phosphorus and vitamin D.

Rickets

A rancher recently switched his herd from a forage-based diet to a high concentrate diet. Recently, his herd has been bloating frequently, had diarrhea and has not been willing to walk very far. A veterinarian could diagnose this herd with which of the following?

Rumenitis

Cutaneous

Skin

Nathan's lambs have small sores on their muzzles and the ewes have sores and scabs on their legs and teats. He is afraid it might be a serious disease, so he called a vet. The vet might diagnose the ewes and lambs with which viral disease?

Sore mouth

Gastrointestinal

Stomach and intestines

When handling an animal suspected to have rabies, one should __________.

Take extra precaution to ensure safety against suspected fatal, zoonotic diseases

When preventing, managing and treating leptospirosis, one should __________.

Take extra precaution when handling infected animals diagnosed with a zoonotic disease

According to Gary Smith, what was the process for feeding the world more than 100 years ago?

Teach countries how to farm and ranch

All leftover fat and meat from the carcasses are referred to as ___________.

Trim

Choose the best treatment option for an animal diagnosed with foot rot.

Trimming hooves, administering antibiotics, providing footbaths and providing dry conditions for the animal

Anthrax can live in to soil for up to 50 years.

True

Common nutritional diseases are disorders due to animals not consuming or absorbing adequate nutrients from their diet or surroundings.

True

Culling is the process of removing unproductive animals from a herd to improve efficiency of an operation.

True

Nutrient deficiencies commonly cause nutritional diseases.

True

Nutritional diseases lower the animal's immune system and increase chances of other illnesses.

True

Prevention of viral diseases is best achieved by vaccinations.

True

The acquired immune system responds to vaccines and is built over time.

True

Zoonotic diseases can be passed between animals and humans.

True

__________, a zoonotic disease, can be transmitted to humans after ingestion of an infected cow's raw milk or direct contact with the infected animal.

Tuberculosis

Cleaning the animal's environment is a practical prevention technique for bacterial diseases.

Ture

Treatment is not directly available for viral diseases.

Ture

__________ diseases are infections transmitted through sexual contact.

Venereal

Which of the following is an infectious bacterial disease of the genital tract?

Vibriosis

Which of the following diseases are typically more of an appearance issue than a physical problem for animals?

Warts

Applying fertilizers in regions of frequent cases and areas of high risk to compensate for selenium and vitamin E deficiencies may help prevent which nutritional disease?

White muscle disease

What characteristic do the diseases leptospirosis and tuberculosis have in common?

Zoonotic diseases

What characteristic do the diseases sore mouth and rabies have in common?

Zoonotic diseases

__________ diseases, such as rabies, can be passed between animals and humans while diseases caused by the __________ virus are species specific.

Zoonotic, papilloma

Hindgut-fermenter

digests large amounts of roughage

Avian

fast-paced process

Fomites

objects likely to carry infection

Ruminant

one stomach with four compartments

Vectors

organisms which transmit infectious diseases

Select the correct answer from the choices provided in the underlined sections. Porcine parvovirus / circovirus is one of the most important causes of swine reproductive failure, while porcine parvovirus / circovirus is a wasting disease commonly affecting young pigs.

parvovirus circovirus

Culling

removing unproductive animals from a herd

Monogastric

single-chambered stomach

Cyanosis

skin turning blue from a lack of oxygen being carried in the blood