breed

H

hackamore

A certain type of head restraining device for horses, much like a halter; used for handling horses that have not yet been fully broken.

hackles

a) The term for the plumage on the neck of some male birds b) The term for the hairs on the backs of certain types of animals

hair ball

The mass of hair that an animal has swallowed, usually found in animals that groom themselves.

hair slips

The hide of an animal that has been cured and salted wrong, causing slippage of the hair

hairlessness

A characteristic of certain Holstein calves; they are born without hair on most of their body

half-brother (half-sister)

The term for animals who have the same mother but different fathers, or the same fathers but different mothers

half-sib

A term for a half-brother or half-sister

half-stocking

A marking on the leg that extends halfway up

hallucination

A false image or perception of something that is not there

halter

The term for a harness that is worn by certain animals; it fits over the head and the nose

ham string

The term for the tendon behind the hock in certain animals

hammerhead

An animal with a coarse head

hamstrung

Term used for an animal who has damaged his or her hamstring

hand feeding

A routine of feeding in which the animal is fed certain amounts of food at certain times of the day

hand gallop

A slower type of gallop in horses

hand milker

The term for a person who milks a cow without the aid of a machine

hand strip

a) To harvest a crop without a machine b)To remove the last of milk from the udders of a cow

handpick

a) To pick something by hand, without the use of a machine b)To pluck feathers by hand

haploid

The term for a cell with only one set of chromosomes

hard breeder

The term for a female animal that is not easy to get pregnant or breed in general

hard feeder

The term for an animal that remains thin no matter how well-fed they are

hard milker

The term for a cow that is not easy to milk, due to limited space in the udder or some other reason

hard-mouthed

The term for a horse whose mouth nerves have died due to continuous pressure from the bit

hardiness

The quality of being hardy in animals

hat racks

The term for canners or cattle that is very thin

hatch out

To come out of an egg, as in a chick emerging from a shell

hatchery

A place where eggs are kept until they are hatched into young

hatching egg

An egg that is of good quality and will likely hatch young

haunch

The back legs of an animal; also the action of turning on the hind legs

hay belly

The term for animals who have large bellies due to eating a great deal of hay or grass

haylage

The term for forage that is a lot like hay but with a higher moisture density

head shy

The term for a horse that is difficult to saddle or bridle

headstall

The part of the bridle that goes around the head of a horse

headstrong

The term for an animal with stubborn tendencies

health

A state of being in which all body parts function as they should

heart

The body organ that circulates blood

heart girth

The measurement around the midsection of an animal, used in guessing the weight of the heart and lungs

heart rate

The number of heart beats per minute

heat detection

A process that is used to determine whether or not an animal is in estrus

heat mount detector

A tool that is used to determine when a female animal comes into estrus; it is attached to the tail and changes color when she comes into heat

heat period

The period of estrus, when a female is receptive to a male

heat prostration

Another term for heat stroke or heat exhaustion

heat synchronization

The term for the act of causing cows in a given group to come into heat at the same time through manipulation of the heat cycle artificially

heat tolerant

The term for the ability an animal has to live in periods of extreme heat

hebephrenic nerve

The name of a nerve found in the diaphragm

heifer

The term for a young female cow with no young

helminths

Parasite worms, like flat worms or tape worms

hemangioma

A neoplasm made of new blood vessels

hemangiosarcoma

A tumor made up vascular tissue

hematemesis

The act of throwing up blood

hematochezia

Passing stool with blood in it

hematoma

The accumulation of blood in bodily tissues

hematuria

Blood in the urine

heme

The part of hemoglobin that contains iron

hemiparesis

The medical condition in which one side of the body is weak

hemiplegia

One side of the body becomes paralyzed

hemisphere

Half of a circular shape or formation

hemoccult

The test conducted to find blood in the stool that may not be visible to the eye

hemoglobin

The protein that moves oxygen in the blood

hemolysis

The breakdown of blood cells

hemolytic

The removal and destruction of red blood cells

hemophilia

A genetic condition in which blood does not properly coagulate

hemoptysis

Spitting up of blood from the lower respiratory tract

hemorrhage

Extreme loss of blood

hemostasis

To control bleeding or stop it

hemostatic forceps

A tool sued to grasp blood vessels and stop bleeding

hemostatics

Tools that are used to check for hemorrhage inside the body

hen battery

The number of hen cages in a group

hennery

A type of farm that specializes in egg production only

heparin

A type of anti coagulating medication or property

hepatic

Referring to the liver

hepatitis

A condition in which the liver becomes inflamed

hepatocytes

Cells in the liver

hepatoma

A neoplasm in the liver

hepatomegaly

An enlargement of the liver to an abnormal size

herbivore

An animal that eats only plants

herd book

The record of the animals kept in a breed association

herd sire

The male that is kept just for furthering the herd, usually in horses or cows

heredity

The study of the way that genes are passed from parent to offspring

hermaphrodite

An animal that possesses organs of both male and female (sexual organs)

hermaphroditism

The quality of having both male and female sex organs

hernia

The condition of having a part of a body part protruding through the tissue that would normally cover it

heterelogous serum

Serum that is pulled from a certain disease or species

heterogeneous

Elements that have qualities that are not the same

heterotrophic

Organisms who do not self-feed; their bodies depend upon matter supplied from outside of their bodies

heteroxenous parasite

A parasite that requires multiple hosts in order to properly develop

heterozygous

Having two genes for one trait, one dominant over the other in most cases

hibernate

A state in which an animal becomes dormant, lowering its breathing rate, heart rate, and body temperature during winter

hidebound

The term for an animal whose skin is close to its body, usually from poor nutrition

hidrosis

Too much sweating

high blower

A horse that snorts while galloping

high roller

A horse who bucks higher than normal

high school horse

A horse who is trained to perform complicated routines for show

hilum

A concaved area where nerves and blood vessels go inside an organ

hind cinch

A type of cinch that goes around the horse so as to keep the saddle from moving; as contrasted to a normal saddle with one cinch

hindgut

The term for the cecum, small and large colon all together

hinny

The young borne of a stallion and jenny (sterile)

hip height

A measurement taken from the top of the hip to the ground; term usually sued to refer to cattle

hirsute

Something that is covered in rough hairs

histiocyte

Connective tissue that is loose and covered in large macrophages

histology

The study of the way that the bodily tissues work

histopathologic

Something that has to do with changes in the structure of the body as the result of cells that are diseased or abnormal in some way

hives

Swellings under the skin that can be caused by food allergies or anything else

hob

A ferret that is intact (male)

hobble

a) A type of restraint in which the feet are put in straps to prevent movement b) To tie an animal’s front legs

hog bristles

The stiff hairs on certain pigs that are used in the making of certain bristles

hog down

To put hogs out to pasture on a crop grown just for feed, so it never has to be harvested

hog holder

A tool that is used to hold a hog in place for vaccinations and other activities in which movement must be restricted

hog ring

A type of ring that is hooked to the one of a hog to prevent it from digging up the ground with its nose

hold up milk

To cause milk to cease in cows

holding pen

A pen in which animals are kept for handling

homeostasis

The maintenance of a consistent environment in the body

homer’s syndrome

A medical condition characterized by sinking of the eyes, constriction of the pupils and other such symptoms

homogenized milk

Milk that has been treated so that the particles are broken up to keep them suspended in the milk and not rise after the milk has been standing for a while

homogenous

The quality of being the same throughout

homolog

One of two structures that are similar in shape, function, or type

homologous

The quality of coming from the same place but having different functions

homologous serum

Serum that comes from the same species or derived from the same disease

homothermic

Term used to refer to animals who have a consistent body temperature

homozygote

The term for an animal whose genotype is made up of similar genes

homozygous

The condition of having two of the same genes for one trait

hooded

The term for a type of rat that has a black coloring over the top of its body

hoof

The hard outside of the feet of certain animals, like horses, cattle, goats, and pigs

hoof pick

A tool used to clean the hooves of certain animals

hoof testers

A tool that is used to test how sensitive a horse’s foot is

hoof wall

The outside covering of the foot of hooved animals

hopper feeding

The act of making food available to an animal for days on end so that it does not have to wait for feeding

hordeolum

A type of infection in the eyelid; may also be referred to as a stye

horizontal silo

A silo built long rather than tall, the opposite of an upright silo

horizontal transmission

The transfer of a disease from one animal to the next

hormone

A chemical that is transported by the blood to regulate organ activity

hornless

An animal that has no horns; a polled animal

horny frog

The structure in the bottom of a horse’s foot; their foot pad (shaped like a V)

horse manure

Dried horse waste that is used to grow certain plants, hot beds, and to enrich soil

horsemanship

The quality of having experience and skill with horses

hoss

The slang term for horse

hot-tight

A type of fence that will not allow for escape by an animal

hothouse lamb

A lamb that is born in the fall or winner and is marketed early, at six to twelve weeks old

hotis test

The test for the presence of certain organisms in milk

hotter monitor

A recording of heart rates for a whole day, monitored by a type of recorder worn by the animal

husbandry

The art of raising farm animals and farming

hybrid vigor

The act of a crossbreed excelling its parents in size, growth speed, and overall health

hybridization

Producing crossbreeds through manipulation

hydrocephalus

A condition in which fluid is found inside the brain; water on the brain

hydronephrosis

The dilation of the pelvis due to obstruction of urine

hydrophilic

Something that is prone to water

hydrophobia

The fear of water

hydrops

The collection of fluids in the body tissues; also dubbed dropsy

hydroureuter

The medical condition that results w hen the ureter becomes distended due to something blocking it

hygiene

The science of health and sanitation

hymen

The fold of membrane that covers the vagina

hyperalbumenia

A condition in which the blood has a high level of albumin

hypercapnia

High levels of carbon dioxide in the blood

hyperchromic

More color than would usually be normal

hyperechoic

A tissue that is brighter in color and reflects more sound than the tissue around it

hyperemia

More blood than normal in a body part

hyperesthesia

Extra sensitive in nature

hyperextension

Straightening a limb beyond normal

hyperglycemia

Elevated levels of glucose in the blood

hypergonadism

A condition in which excess hormones are secreted from the reproductive organs

hyperinsulinism

A medical condition in which more than enough insulin is produced

hyperkalemia

Too much potassium in the blood

hyperlipidemia

A condition of the blood in which the fat levels are high

hypernatremia

High levels of sodium in the blood

hyperparasites

The term for a parasite that can parasite on another parasite

hyperphagia

Excessive hunger

hyperpituitarism

A condition causing excessive growth caused by abnormally functioning pituitary glands

hyperpnea

An increase in respiration rate and depth of breathing

hypersensitivity

A reaction to a certain pathogen that is out of the ordinary

hypersusceptible

A condition in which an animal is especially susceptible to certain infections or poisons

hypertension

High blood pressure

hyperthermia

High body temperature

hypertrophy

Larger in size than normal

hypertropia

The deviation of one of the eyes

hyperventilation

Rapid breathing

hyphema

Hemorrhage into the back of the eye

hypnosis

A trance like state of being; a state of altered awareness

hypocalcaemia

High levels of calcium in the blood

hypocalcemia

A low level of calcium in the blood

hypocapnia

Less than normal levels of carbon dioxide in the blood stream

hypodermis

The skin tissue below the true skin

hypoglycemia

Low amounts of glucose in the blood

hypogonadism

Not enough secretion of hormones from the reproductive organs

hypokalemia

Lower levels of potassium in the blood than normal

hypomagnesemia

A magnesium deficiency in the blood

hypothalamus

Part of the thalamus that helps to regulate the release of certain hormones

hypothermia

A body temperature that is too low

hypothesis

A guess in scientific research

hypotropia

Movement of just one eye down

hypovolemia

The slowdown of circulation of blood

hypoxia

Less oxygen than normal in the blood

hypsodont

A kind of tooth that always grows and is chewed down continuously

hysterecomy

Removal of the uterus in whole

hystricomoprh

A type of rodent, like a chinchilla or guinea pig