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Akademický článek
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Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1993:219-219
Most farrowing pens have slatted floors mainly to achieve labour economy and high standards of hygiene. A major deficiency of such flooring is the difficulty of using bedding to reduce hypothermia of newborn piglets and to protect their delicate tiss
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1993:132-132
Mating is one of the most critical processes influencing the success of any breeding pig enterprise since the efficiency of this process establishes the potential output of pigs. A study was conducted on 100 recently weaned sows during the mating pro
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1993:226-226
Little objective information is available on the relative merits of straw based and slatted floored systems for the weaned pig in terms of performance and indices of welfare. A controlled experiment was conducted in an attempt to obtain relevant info
Autor:
null Huang, null Wen-Yu, J Behan, L Beveridge, C Rodrigo, J H Dunne, J S M Hutchinson, O Macpherson, J A Roden, P R English
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1992:128-128
General recommendations are made (e.g. Gomes, 1977; Dzuik, 1970) that, in order to achieve maximum conception rate and litter size, sows should be mated or inseminated 9 to 15 hours prior to ovulation and that this coincides with an interval of 30 to
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1992:133-133
A number of recent experiments have indicated that growing pigs, given the choice between diets of differing protein content, have the ability to select a daily nutrient intake appropriate to their requirements. This experiment was designed to invest
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1992:188-188
Several studies (Bryce Jones, 1964; Rhodes, 1970; Dransfield et al, 1984) have attempted to examine the comparative eating qualities of beef from entire male cattle with that from steers. In the past, most sensory evaluation studies have used special
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1991:140-140
It is well established that high environmental temperature can have adverse effects on sperm concentration and the normality of sperm in the boar. Induced abnormalities include reduced motility, abnormal heads, proximal droplets, coiled and bent tail
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1991:62-62
In commercial farrowing pens, creep areas for the piglets are often provided only at the front or on one side of the pen. Because of the strong bonding which newborn piglets have to the udder, such arrangements are often inadequate to attract piglets
Publikováno v:
Proceedings of the British Society of Animal Production (1972). 1991:122-122
The choice-feeding method has been suggested as an effective way of estimating nutritional requirements and it may be helpful from a practical point of view for meeting the nutrient requirements of animals with great variability in nutrient intake an