Có 10+ tài liệu thuộc chủ đề "chăm sóc dế"
tailieu.vn Xem trực tuyến Tải xuống
We especially wish to thank Peter Hofs of the Tropical Animal Husbandry section of the Wageningen Agricultural University for his useful comments.. Ibrahim of the Department of Animal Sciences, University of Peradeniya, Sri Lanka, reviewed the revised chapter and Robert Corner did the editing work. We especially want to acknowledge OXFAM (UK and Ireland) in as- sociation with FARM-Africa, who...
tailieu.vn Xem trực tuyến Tải xuống
For the breeding of goats, a good reproduction is of immediate impor- tance to the goat keeper. In a herd, a billy-goat services a young goat as soon as she is sexually mature and the first time she is in heat (see section 2.3 - symptoms of being in heat). If they get with young, they must divide their energy...
tailieu.vn Xem trực tuyến Tải xuống
By “raising”, we mean taking care of the newborn kids until they are sexually mature. Milk is the first food of the kid. The gastro-intestinal tract of the young goat is geared to properly digesting this energy- and protein- rich food. The first milk of the mother animal, the colostrum, is ini- tially very concentrated, but 24 hours after the...
tailieu.vn Xem trực tuyến Tải xuống
Their liking for tree leaves also means that they have an extra supply of protein, with the result that they are usually in better condition at the end of the dry season than sheep or cows who can’t make such good use of tree leaves.. It is particularly the pregnant and milking nannies that need extra feeding. In the last...
tailieu.vn Xem trực tuyến Tải xuống
Goats are kept in the tropics and subtropics as well as in temperate areas. Within each climatic zone many more, smaller zones can be distinguished which can differ greatly: some are dry, others wet, sometimes this is combined with heat, in other places with cold, the conditions can be stable but are often also extremely variable. At the end of...
tailieu.vn Xem trực tuyến Tải xuống
A damp, windy stall will weaken the animals and make them sus- ceptible to diseases such as lung infections.. Incorrect management of pasture, whereby the goats graze too often successively on the same pasture, increases the contamination of the pasture with parasites (worms, ticks). As it is impossible to remain completely disease and parasite free, also because of the contact...
tailieu.vn Xem trực tuyến Tải xuống
Milk is an important product when the goat is alive. In general, milk is a very nutritious drink. This is especially true for goat’s milk as is easier to digest for humans than cow’s milk. Milk is a healthy contribution to daily feeding, it supplies protein to the diet.. Products in which the milk has been processed and made into...
tailieu.vn Xem trực tuyến Tải xuống
Chapter 2 - Goat Breeding- and Chapter 3 - Raising and Selection- already indicated that a good administration is essential to be able to check the production of the business. Records of the production also enable the farmer to select goats properly and thus improve the stock.. In the first place, for a good administration you must be able to...
tailieu.vn Xem trực tuyến Tải xuống
sau đây xin trân tr ng gi i thi u k thu t nuôi D cùng b n ỹ ậ ế ọ ớ ệ ỹ ậ ế ạ đ c: ọ. M i D cái đ kho ng 30 – 40 tr ng/ngày ỗ ế ẻ ả ứ 2. D ng c nuôi: ụ ụ. Có th t n d...
tailieu.vn Xem trực tuyến Tải xuống
n Ở ướ c ta các lo i côn trùng nh cào cào, châu ch u, ạ ư ấ d , t m, sâu chit, nh ng t m, r ế ằ ộ ằ ươ i. là nh ng lo i côn trùng đ ữ ạ ượ c dùng làm món ăn, m t s n i đ ộ ố...