The objective of this observational study was to determine the association of exposure to selected bedding types with incidence of subclinical (SM) and clinical mastitis (CM) in primiparous Holstein dairy cows housed in identical pens at a single facility. At parturition, primiparous cows were randomly assigned to pens containing freestalls with 1 of 4 bedding materials: (1) deep-bedded new san...

Incorporation of forest slash during stand establishment is proposed as ameans of increasing soil carbon and nutrient stocks. If effective, the increased soil carbon and nutrient status may result in increased aboveground tree growth. Eight years after study installation, the impact of forest slash incorporation into the soil on soil carbon and nutrient stocks, foliar nutrients and loblolly pin...

OBJECTIVE To determine the relation between sleeping position and quantity of bedding and the risk of sudden unexpected infant death. DESIGN A study of all infants dying suddenly and unexpectedly and of two controls matched for age and date with each index case. The parents of control infants were interviewed within 72 hours of the index infant's death. Information was collected on bedding, s...

Abstract In this article we explore the change in elastic symmetry and anisotropy of two geological materials with stress-induced damage. Two independent uniaxial deformation experiments on layered natural geomaterials, a shale sandstone, support analysis. Both samples were loaded along their bedding planes at constant strain rate up to mechanical failure. During deformation, an array ultrasoni...

In the process of drilling, drilling fluid will invade into bedding plane shale under action pressure difference that cause hydration collapse and wellbore instability. order to ensure stability during oil gas it is necessary clarify invasion law along fractures process. The immersion experiment method often used study fluid, which quite different from actual underground. this paper, depth conf...

The in-plane seismic performance of old unreinforced brick masonry walls strengthened with stainless-steel twisted bars and conventional steel (usually used in concrete reinforcing) was investigated the present study. For this purpose, a total seventeen wallettes reproducing traditional Lisbon buildings from 1930s–1950s (known as “placa” buildings) were constructed. specimens assembled using or...

Many countries, as among others France, Belgium and Switzerland, are facing the issue of finding a proper solution to store radioactive waste coming from nuclear power plants. The possibility them in underground tunnels is largely considered investigated. In Andra (Agence Nationale pour la gestion des Déchets RAdioactifs) selected Callovo-Oxfordian clay rock situated Meuse/Haute Marne site betw...

The current OPSS and OPSD that provide specifications for drainage pipes in Ontario, are shown to be a simplified and more conservative version of the traditional Marston-Spangler method. The SIDD method was developed through extensive finite element analyses. It improves the pipe installation practice by lessening the requirements in bedding and compaction, and allowing the use of native backf...