Black''''''''s veterinary dictionary 21st edition - E doc

... cartilages at the lower parts are opened or resected, has been devised. Operation may also be needed where deep-seat- ed ulceration of one or other of the aural carti- lages has occurred, and even ... the smooth membrane that lines the inside of the heart. It occurs especially over the heart valves. ( See HEART DISEASES.) Endocrine Glands Endocrine glands are those which secrete hor- mones. ....

Ngày tải lên: 01/07/2014, 19:20

... represents an effective compro- mise between the welfare needs of animals, the legitimate demands of the public for account- ability, and the equally legitimate requirements of medicine, science ... available pool. Registrations will not be accepted where AI is requested because either the prospective sire or dam is unable to mate owing to disease. Turkey AI Farmed turkeys are now bred as mal...

Ngày tải lên: 01/07/2014, 19:20

... male and 2 females. A large, escape-proof enclosure should be provided. They become hyperactive if stressed and must never be kept near a televi- sion set. If outside, protection from adverse weather ... the pig. It has been replaced by less toxic preparations. Caecum Caecum is the pouch-like blind end of the large intestine. ( See INTESTINES .) Its relative size varies greatly between the sp...

Ngày tải lên: 01/07/2014, 19:20

... larger the particles, the less efficiently has the horse been groomed. The following parts should be carefully exam- ined: under the forelock, the poll, jowl, under the mane, between the fore-legs, ... Organisation). Genetic defects All breeds of livestock may harbour some genetic defects, but their inci- dence is usually low. However, specific defects sometimes become more frequent in certai...

Ngày tải lên: 01/07/2014, 19:20

... highly developed in certain reptiles, especially snakes. Janet A female mule. Japanese B Encephalitis This disease is present in Nepal and other regions of Asia. Cause A flavivirus. The disease is ... but sometimes sheep, goats, and deer, and is char- acterised by the appearance of a persistent diar- rhoea, gradual emaciation, and great weakness. The infection has been set up experimentally ....

Ngày tải lên: 01/07/2014, 19:20

... Which all goes to show that medicated feeds are by no means always interchangeable between different species of livestock, since there are genetic differences between them as regards susceptibility ... not very intimate adherence between the uterine mucous membrane and the placental mem- brane, the separation and the discharge of the envelopes are soon accomplished. In fact, if these are r...

Ngày tải lên: 01/07/2014, 20:20

... and several examinations may be necessary. Most cases of clinical disease, in hors- es, are seen during the prepatent phase and larvae will not therefore be present in the faeces. Most infected ... cells. RBV Relative breeding value (see PROGENY TESTING). Reaginic Antibodies These are immunoglobulins which become fixed to mast cells and, in the presence of anti- gen, cause the release of hist...

Ngày tải lên: 01/07/2014, 20:20

... cease, as these retard healing by the destruction of surface tissues. Corneal ulcers are referred to under EYE , DISEASES OF – Keratitis. (See also CRYOSURGERY.) Ulcerative Dermatosis of Sheep A ... not result in a clean, bright-red, odourless wound, or where there are shreds of dead tissue adherent to the surface, it may be necessary to curette the surface so that the dead cells may be sepa...

Ngày tải lên: 01/07/2014, 20:20

... has commented. The beef breeds are generally used as termi- nal sires on cows not required for breeding dairy herd replacements, and some beef cross heifers are used for suckler herd replacements. The cross-bred ... there is destructive emphysema in which there is an increase beyond normal in the size of the air-spaces with ‘Broken Wind’ (‘Heaves’) 93 B Bovine Ephemeral Fever (see EPHEMERAL F...

Ngày tải lên: 01/07/2014, 19:20

... is never developed. The next 3 teeth behind it are represented in the tempo- rary dentition, the permanents replacing them in the usual way. The last 3 teeth are true molars, i .e. permanents ... more than one-third of the upper beak is removed; more than this can expose the sinuses and lead to infection. If performed when very young there are few after-effects. Older birds will develop ... b...

Ngày tải lên: 01/07/2014, 19:20