martes, 20 de mayo de 2014

Webquest 2

A)About Cows:

1. What are the  5 most common pathologies of cows? Mention them and give a little description too.

1. Bovine Ulcerative Mammillitis (Bovine Herpesvirus II)
Bovine herpesvirus II causes an acute, ulcerative condition of teat and udder skin of dairy cows that is often referred to as bovine ulcerative mammillitis.

Several strains of bovine papillomavirus (BPV1, BPV5, BPV6, BPV9) cause the development of papillomas or fibropapillomas on teats.

The development of raised smooth or rough rings at the teat ends of lactating cows is a common occurrence. Teat ends that are affected with hyperkeratosis may progress from smooth, doughnut-shaped lesions that do not affect milking to severely hyperkeratotic rings with radial cracks. 

Dermatitis of the udder has a number of causes including chemical irritants, sunburn, and bacterial infection. Exposure to chemical irritants can occur from bedding additives (eg, some types of limestone) or chemicals used during milking. 

Moist, foul-smelling, necrotic lesions may be observed in areas of tightly adjacent skin of some animals. In heifers, the lateral aspect of the udder and medial aspect of the thigh are often involved.

2.Publish a picture of the cow's digestive system (with names)
3.Publish a picture of the cow's external anatomy  (with names)
B) Choose one of these farm animals:  pig, horse or rabbit.
 Horses

1. Choose a good website that refers to your animal. Explain why you like the website. (40 words)
 http://www.horsechannel.com/

I like this website because it talk about many interesting things about horses like: Training, horse care, book and good magazines, horse breed and also show funny and cute horse’s videos. I like to read about the anatomy and about the behavior of the horses.

2. Find a good picture showing (with names) the animal's external anatomy.

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