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Its ScoopFree automatic self-cleaning litter boxes, which range from $169.95 to $229.95, have been around since The PetSafe self-scooping litter box makes you choose between convenience, recurring ...
A litter box's bottom is typically filled with 2 inches (5 cm) or less of cat litter. [15] Litter box filler is a loose, granular material that absorbs moisture and odors such as ammonia. Some litter brands contain baking soda to absorb such odors, or owners may sprinkle a thin layer in the bottom of the box, under the cat litter. [15]
The plug is not necessary for pregnancy initiation, as this will also occur without the plug. The presence or absence of the plug will not affect litter size either. [44] This plug stays in place for some 24 hours. The gestation period is about 19–21 days, and they give birth to a litter of 3–14 young (average six to eight). One female can ...
Pigs kept on deep-litter material. Deep litter is an animal housing system, based on the repeated spreading of straw or sawdust material in indoor booths. [1] An initial layer of litter is spread for the animals to use for bedding material and to defecate in, and as the litter is soiled, new layers of litter are continuously added by the farmer. [2]
In finance, the Black–Litterman model is a mathematical model for portfolio allocation developed in 1990 at Goldman Sachs by Fischer Black and Robert Litterman. It seeks to overcome problems that institutional investors have encountered in applying modern portfolio theory in practice. The model starts with an asset allocation based on the ...
BS 6312 431A plug, colloquially a British Telecom 4-wire male plug. British telephone sockets were introduced in their current plug and socket form on 19 November 1981 by British Telecom to allow subscribers to connect their own telephones. The connectors are specified in British Standard BS 6312.
The substrain "6" was the most popular of the surviving substrains. Little's supervisor William E. Castle had obtained the predecessor strain of C57BL/6, "mouse number 57", from Abbie Lathrop who was breeding inbred strains for mammary tumor research in collaboration with Leo Loeb at the time. [3]