Folate Polyglutamylation is Required for Rice Seed Development   总被引：1，自引：0，他引：1  

Nampeung Anukul  Riza Abilgos Ramos  Payam Mehrshahi  Anahi Santoyo Castelazo  Helen Parker  Anne Diévart  Nadège Lanau  Delphine Mieulet  Gregory Tucker  Emmanuel Guiderdoni  David A. Barrett  Malcolm J. Bennett 《Rice》2010,3(2-3):181-193

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Sero-epidemiological investigation of bovine toxoplasmosis in traditional and smallholder cattle production systems of Tanga Region,Tanzania     

Luuk B. Schoonman  T. Wilsmore  Emmanuel S. Swai 《Tropical animal health and production》2010,42(4):579-587

In view of the worldwide importance of Toxoplasma gondii and the fragmented information on the seroprevalence of the disease in animals in Tanzania, a study, using the modified Eiken latex agglutination test (LAT), was conducted from May 2003 to January 2004 to determine the prevalence of antibody to T. gondii in 130 randomly selected farms comprising 655 cattle. The overall seroprevalence of T.gondii antibodies in cattle and farms were 3.6% and 13%, respectively. Risk factors for animal and herd-level toxoplasmosis seropositivity were tested using multivariable logistic regression to control for confounding factors. Cattle managed under traditional husbandry practises were more likely to be seropositive than those managed under smallholder practises (48% versus 4.7%; p < 0.01). Herd size of ≥ 9 cattle were at greater risk of acquiring infection than herds holding fewer animals [≤ 9 cattle], (odd ratio [OR] = 3.99; 95% confidence interval [CI], 0.97–16.48; P = 0.001). We concluded that seroprevalence at herd level was high and relatively low at animal level, possibly due to the reduced susceptibility of cattle to T.gondii infection as compared to goats and sheep. The high seroprevalence in animals managed by traditional husbandry practise suggests that the parasite is widely distributed in the environment and could pose a public health threat to the people living in those areas.  相似文献   

Evolution. Intermediate steps     

Devos DP  Reynaud EG 《Science (New York, N.Y.)》2010,330(6008):1187-1188

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Effect of selenium and vitamin E on oxidative stress in lambs experimentally infected with <Emphasis Type="Italic">Haemonchus contortus</Emphasis>     

Marta Lizandra do Reo Leal  Emmanuel Veiga de Camargo  Daniel Henrique Ross  Marcelo Beltrão Molento  Sonia Terezinha dos Anjos Lopes  João Batista Teixeira da Rocha 《Veterinary research communications》2010,34(6):549-555

The objective of this study was to evaluate oxidative stress in lambs experimentally infected with Haemonchus contortus and supplemented with selenium and vitamin E. Twenty male Corriedale lambs were divided into four experimental groups with five animals each: G1 consisted of animals infected and supplemented with 0.2 mg/kg of live weight (LW) sodium selenite by intramuscular injection (IM); G2 consisted of animals infected with larvae and supplemented with 0.2 mg/kg LW sodium selenite IM and 2000 IU per animal of Vitamin E IM; G3 consisted of animals infected with larvae and supplemented with 2000 IU per animal of Vitamin E IM; and G4 consisted of animals infected with larvae. The animals were infected orally with 500 H. contortus larvae (L3) every 48 hours for 20 days. For biochemical analyses and eggs per grams of feces (EPG) evaluation, blood and feces were both collected at zero (T0), 20 (T1), 40 (T2) and 60 (T3) days. The weight of the animals was also measured at these times. Lower TBARS values were observed in the supplemented animals compared to the control group. The groups supplemented with Selenium exhibited blood GSH-Px activity higher than that of non-supplemented animals. Supplementation with selenium provided greater antioxidant protection against oxidative stress generated from experimental infection of lambs with H. contortus.  相似文献   

How mass flow and rotational speed affect fertiliser centrifugal spreading: Potential interpretation in terms of the amount of fertiliser per vane     

Sylvain Villette  Emmanuel PironDenis Miclet  Richard MartinGawain Jones  Jean-Noel PaoliChristelle Gée 《Biosystems Engineering》2012,111(1):133-138

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Nasal plasma cell dermatitis in cats     

Bensignor E  Merven F 《Veterinary dermatology》2011,22(3):286-286

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Behaviour and reproductive performance of Nigerian native chickens subjected to different mating ratios for a short term     

Oluwaseun Serah Iyasere  David Oluwatowo Adeuyi  Rasheed Adebayo Alade  Samuel Olutunde Durosaro  Mathew Wheto  Olajide James Ogunbanjo  Lucky Ebhodage Oyakhilome  Samuel Emmanuel  James Olamitibo Daramola 《Reproduction in domestic animals》2020,55(5):567-573

To date, there is no reported standard mating ratio for Nigerian native chickens despite their large population in the country. This study investigated the effect of mating ratio on behaviour, semen quality and level of stress. Sixty-three (9 cocks and 54 hens) sexually matured birds were randomly assigned to three mating ratios (MR) of 1 cock to 3 hens (1C:3H), 1 cock to 6 hens (1C:6H) and 1 cock to 9 hens (1C:9H), and each MR was replicated three times. Each cock spent 2 weeks in a particular MR before it was moved to another. By the 6th week, all cocks had experienced the three mating ratios. Behaviour of the hens and sexual behaviour of the cocks were observed in the morning and evening, respectively, for 6 weeks. At the end of 2nd week in each MR, semen samples were collected and evaluated for motility, morphology, liveability and concentration, and blood samples were also taken from the cocks to determine the heterophil/lymphocyte (H:L) ratio, an indicator of stress. There was also no significant effect of mating ratio on the fertility of eggs and hatchability of the chicks. The number of hen–hen aggression instances, frequency of visits to the nest box and duration of nesting was not influenced by the mating ratio. However, the duration of nest seeking was higher at 1C:3H and lower at 1C:9H. A mating ratio of 1C:9H is therefore recommended for farmers interested in raising Nigerian native chickens.  相似文献   

Biology,diagnosis and treatment of Malassezia dermatitis in dogs and cats Clinical Consensus Guidelines of the World Association for Veterinary Dermatology     

Ross Bond  Daniel O. Morris  Jacques Guillot  Emmanuel J. Bensignor  David Robson  Kenneth V. Mason  Rui Kano  Peter B. Hill 《Veterinary dermatology》2020,31(1):27-e4

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Serum biochemistry of the Arrau turtle (Podocnemis expansa): Frozen analyte stability and the effects of long-term storage     

Fabricio Camargo  Nadjanaira B. Abrão  Thawanne D. Queiroz  Emmanuel Arhnold  Luciana B. M. Araújo  Danieli B. Martins 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2020,49(1):42-47

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Effect of seed rate and nitrogen fertilizer on weed species composition,density and diversity in two sesame varieties     

Emmanuel Daniya  Salihu Adamu Dadari  Williams Bata Ndahi  November Chiroma Kuchinda  Bashir Ahmad Babaji 《Archives of Agronomy and Soil Science》2013,59(4):553-567

To evaluate the effect of seed and nitrogen rates on weed species composition, density, biomass and diversity in two sesame (Sesamum indicum L.) varieties, a field experiment was conducted in 2009, 2010 and 2011 rainy seasons at Samaru, Nigeria. Four seed rates, 2, 4, 6 and 8 kg ha^?1, four nitrogen rates, 0, 30, 60 and 90 kg N ha^?1 and two sesame varieties NCRIBEN 01M and E8 were arranged as factorial in a split plot design. Weeds with the highest important values in sesame field were Dactyloctenium aegyptium, Ludwigia decurrens, Ageratum conyzoides and Cyperus esculentus. Year had a significant effect on weed density, biomass, diversity, evenness and richness. Weed density, biomass, diversity and richness were lowest in the 2011 trial and weed species evenness in 2009. Variety E8 reduced weed biomass better than NCRIBEN 01M. Averaged over years, weed diversity and evenness were lowest at 4 kg seeds ha^?1. Seed × nitrogen rates effect of 4 kg seed ha^?1 and 30 kg N ha^?1 produced the lowest weed species diversity and evenness. The result suggests that variety E8 at 4 kg seed ha^?1 and 30 kg N ha^?1 with hoe weeding at 3 and 6 WAS may provide better weed control, and it is recommended in sesame production.  相似文献