Carrot red leaf associated RNA in carrots in the United Kingdom     

A. Morton  N. J. Spence †  N. Boonham  D. J. Barbara 《Plant pathology》2003,52(6):795-795

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The Rover Nuclear Rocket Program: Thirteen years of work have produced a reliable reactor ready for development into a flyable engine     

Spence RW 《Science (New York, N.Y.)》1968,160(3831):953-959

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High incidence of abortions and congenital deformities of unknown aetiology in a beef herd     

T B Nicolson  P F Nettleton  J A Spence  K H Calder 《The Veterinary record》1985,116(11):281-284

In 1980, 16 abortions or stillbirths occurred and 26 deformed calves were born in a beef herd of 115 Friesian cross Hereford cows mated to Charolais bulls. The deformities were principally arthrogryposes with contractures, particularly of the forelimbs, and various skull abnormalities. Following investigation it was considered highly unlikely that hereditary causes, infectious agents or a nutritional deficiency were responsible. The most likely cause was exposure to an unidentified teratogen early in pregnancy.  相似文献   

活禽屠宰中的动物福利要求     

Jade Spence 《中国动物检疫》2015,32(10):63-66

许多国家的法律已经明确规定食用动物的屠宰应使用人道主义方式。一些消费者提出,先击昏动物再进行宰杀,是一种更人道、先进、符合消费者需求的屠宰方式。屠宰动物是残忍的,所以应当充分考虑如何改进宰杀手段及宰杀程序,最大限度地减少对屠宰动物的不良影响。本文综述了人道屠宰的科学原理,并详尽阐述了不同规模屠宰系统（例如：屠宰厂、农场）,以及在疫病控制或出现自然灾害等需要大量屠宰活禽时如何改善动物福利的问题。  相似文献   

The natural occurrence of Hibiscus chlorotic ringspot virus (Carmovirus;Tombusviridae) in aibika or bele (Abelmoschus manihot) in some South Pacific Island countries     

A. A. Brunt  N. J. Spence 《Plant pathology》2000,49(6):798-798

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That's my hand! Activity in premotor cortex reflects feeling of ownership of a limb     

Ehrsson HH  Spence C  Passingham RE 《Science (New York, N.Y.)》2004,305(5685):875-877

When we look at our hands, we immediately know that they are part of our own body. This feeling of ownership of our limbs is a fundamental aspect of self-consciousness. We have studied the neuronal counterparts of this experience. A perceptual illusion was used to manipulate feelings of ownership of a rubber hand presented in front of healthy subjects while brain activity was measured by functional magnetic resonance imaging. The neural activity in the premotor cortex reflected the feeling of ownership of the hand. This suggests that multisensory integration in the premotor cortex provides a mechanism for bodily self-attribution.  相似文献   

An investigation of bovine serum copper levels in Lincolnshire and South Humberside     

M S Bain  J B Spence  P C Jones 《The Veterinary record》1986,119(24):593-595

Analysis of more than 2000 bovine serum samples showed a large monthly variation in copper levels. There was also a difference in levels between beef and dairy cows although all showed the same monthly pattern. This monthly variation was correlated with rainfall; the higher the rainfall the lower the copper level. The interpretation of single herd blood copper values must be considered carefully in view of this variation.  相似文献   

Maedi-visna virus infection in commercial flocks of indigenous sheep in Britain     

G C Pritchard  J B Spence  M J Arthur  M Dawson 《The Veterinary record》1984,115(17):427-429

The recent identification of maedi-visna virus infection in three commercial flocks of indigenous sheep in Britain is described. In one flock the evidence suggested that overt clinical disease was present. The implications of the findings are discussed.  相似文献   

Effects of a therapeutic riding program on at-risk and special education children     

Kaiser L  Smith KA  Heleski CR  Spence LJ 《Journal of the American Veterinary Medical Association》2006,228(1):46-52

OBJECTIVE: To determine the effects of a therapeutic riding program on psychosocial measurements among children considered at risk for poor performance or failure in school or life and among children in special education programs. DESIGN: Observational study. POPULATION: 17 at-risk children (6 boys and 11 girls) and 14 special education children (7 boys and 7 girls). PROCEDURE: For the at-risk children, anger, anxiety, perceived self-competence, and physical coordination were assessed. For the special education children, anger and cheerfulness were measured, and the children's and their mothers' perceptions of the children's behavior were assessed. Measurements were made before and after an 8-session therapeutic riding program. RESULTS: For boys enrolled in the special education program, anger was significantly decreased after completion of the riding program. The boys' mothers also perceived significant improvements in their children's behavior after completion of the program. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggest that an 8-session therapeutic riding program can significantly decrease anger in adolescent boys in a special education program and positively affect their mothers' perception of the boys' behavior.  相似文献   

Evaluation of a breast support conveyor to improve poultry welfare on the shackle line     

Lines JA  Jones TA  Berry PS  Cook P  Spence J  Schofield CP 《The Veterinary record》2011,168(5):129

A breast support conveyor has the potential to improve bird welfare by avoiding the need to invert and suspend broilers by their legs as they move from the point of shackling to entry into the electric waterbath. To evaluate its effect on welfare under commercial conditions, a breast support conveyor was installed under the conventional shackle line of a small poultry processing plant. A structured assessment of the behaviour of the birds indicated a significant decrease in struggling and wing flapping at the point of shackling, on the straight conveyor and at entry into the waterbath. This resulted in a lower prevalence of red wing tips and bruising in the first wing joint. The shackle line and conveyor in this installation, however, passed around a 90° corner, which appeared to cause more disturbance to the birds on the conveyor than to comparable birds suspended from shackles in the traditional manner. The results indicate that a breast support conveyor has the potential to improve bird welfare on straight shackle lines and that, because struggling activity and duration following shackling are reduced, the time between shackling and stunning could also be reduced using this method, further improving bird welfare. Breast support conveyors should not be used when the shackle lines have sharp bends.  相似文献