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A 2-year fertilization experiment was conducted to study the effect of different ratios of organic (pig) manure on wheat yield and nitrogen use efficiency (NUE). The four treatments were no nitrogen (N) (CK); 100% chemical fertilizer N (urea; T1); 70% chemical fertilizer N + 30% organic manure N (T2) and 50% chemical fertilizer N + 50% organic manure N (T3), with the same amount of applied nitrogen (120 kg/ha). The results showed the maximum grain yield (3049 kg/ha), crop nitrogen uptake (216 kg/ha), NUE (65.4%) and accumulated nitrate nitrogen (NO3−-N in 0–200 cm, 142 kg/ha) were observed in the T1 among all treatments in the first year. However, the largest grain yield (5074 kg/ha), crop nitrogen uptake (244 kg/ha) and NUE (82.5%) were under T2 treatment in the second year. Furthermore, T2 had the maximum NO3−-N content in 0–100 cm layer (116 kg/ha), especially 0–40 cm layer, and the lowest NO3−-N content in 100–200 cm (58.8 kg/ha). However, 50% organic manure N in T3 increased apparent nitrogen loss by 39.0% compared to that in T2. Therefore, 30% organic manure N application was more conducive for enhancing wheat yield and NUE and promoting environmental safety after 1-year fertilization time.
Toxoplasma gondii infections are common in humans and animals worldwide. Domestic free-range chickens (Gallus domesticus) are excellent sentinels of environmental contamination with T. gondii oocysts because they feed on the ground. Chickens can be easily infected with T. gondii; however, clinical toxoplasmosis is rare in these hosts. Chickens are comparatively inexpensive and thus are good sentinel animals for T. gondii infections on the farms. Here, the authors reviewed prevalence, the persistence of infection, clinical disease, epidemiology and genetic diversity of T. gondii strains isolated from chickens worldwide for the past decade. Data on phenotypic and molecular characteristics of 794 viable T. gondii strains from chickens are discussed, including new data on T. gondii isolates from chickens in Brazil. This paper will be of interest to biologists, epidemiologists, veterinarians and parasitologists.
Previous work led to the proposal that the precision feeding of a high-concentrate diet may represent a potential method with which to enhance feed efficiency (FE) when rearing dairy heifers. However, the physiological and metabolic mechanisms underlying this approach remain unclear. This study used metabolomics analysis to investigate the changes in plasma metabolites of heifers precision-fed diets containing a wide range of forage to concentrate ratios. Twenty-four half-sib Holstein heifers, with a similar body condition, were randomly assigned into four groups and precision fed with diets containing different proportions of concentrate (20%, 40%, 60% and 80% based on DM). After 28 days of feeding, blood samples were collected 6 h after morning feeding and gas chromatography time-of-ﬂight/MS was used to analyze the plasma samples. Parameters of oxidative status were also determined in the plasma. The FE (after being corrected for gut fill) increased linearly (P < 0.01) with increasing level of dietary concentrate. Significant changes were identified for 38 different metabolites in the plasma of heifers fed different dietary forage to concentrate ratios. The main pathways showing alterations were clustered into those relating to carbohydrate and amino acid metabolism; all of which have been previously associated with FE changes in ruminants. Heifers fed with a high-concentrate diet had higher (P < 0.01) plasma total antioxidant capacity and superoxide dismutase but lower (P ≤ 0.02) hydroxyl radical and hydrogen peroxide than heifers fed with a low-concentrate diet, which might indicate a lower plasma oxidative status in the heifers fed a high-concentrate diet. Thus, heifers fed with a high-concentrate diet had higher FE and antioxidant capacity but a lower plasma oxidative status as well as changed carbohydrate and amino acid metabolism. Our findings provide a better understanding of how forage to concentrate ratios affect FE and metabolism in the precision-fed growing heifers.
Phytase has long been used to decrease the inorganic phosphorus (Pi) input in poultry diet. The current study was conducted to investigate the effects of Pi supplementation on laying performance, egg quality and phosphate–calcium metabolism in Hy-Line Brown laying hens fed phytase. Layers (n = 504, 29 weeks old) were randomly assigned to seven treatments with six replicates of 12 birds. The corn–soybean meal-based diet contained 0.12% non-phytate phosphorus (nPP), 3.8% calcium, 2415 IU/kg vitamin D3 and 2000 FTU/kg phytase. Inorganic phosphorus (in the form of mono-dicalcium phosphate) was added into the basal diet to construct seven experimental diets; the final dietary nPP levels were 0.12%, 0.17%, 0.22%, 0.27%, 0.32%, 0.37% and 0.42%. The feeding trial lasted 12 weeks (hens from 29 to 40 weeks of age). Laying performance (housed laying rate, egg weight, egg mass, daily feed intake and feed conversion ratio) was weekly calculated. Egg quality (egg shape index, shell strength, shell thickness, albumen height, yolk colour and Haugh units), serum parameters (calcium, phosphorus, parathyroid hormone, calcitonin and 1,25-dihydroxyvitamin D), tibia quality (breaking strength, and calcium, phosphorus and ash contents), intestinal gene expression (type IIb sodium-dependent phosphate cotransporter, NaPi-IIb) and phosphorus excretion were determined at the end of the trial. No differences were observed on laying performance, egg quality, serum parameters and tibia quality. Hens fed 0.17% nPP had increased (P < 0.01) duodenum NaPi-IIb expression compared to all other treatments. Phosphorus excretion linearly increased with an increase in dietary nPP (phosphorus excretion = 1.7916 × nPP + 0.2157; R2 = 0.9609, P = 0.001). In conclusion, corn–soybean meal-based diets containing 0.12% nPP, 3.8% calcium, 2415 IU/kg vitamin D3 and 2000 FTU/kg phytase would meet the requirements for egg production in Hy-Line Brown laying hens (29 to 40 weeks of age).
X-ray reference powder patterns and structures have been determined for a series of cobalt- and tungsten-containing cubic alkaline-earth perovskites, (BaxSr1–x)2CoWO6 (x = 0.1, 0.2, 0.3, 0.5, 0.7, and 0.9). The structure of the end members of the series, Sr2CoWO6 and Ba2CoWO6, were tetragonal and cubic, respectively, agreeing with the literature data. From Rietveld refinements, it was found that when x = 0.1 and 0.2, the structure was tetragonal I4/m (a = 5.60481(6) and 5.62305(11) Å and c = 7.97989(12) and 7.9847(2) Å, respectively; Z = 2). When x > 0.2, the structure was cubic (Fm
m, No. 225; Z = 4) (from x = 0.3 to 0.9, a increases from 7.98399(13) to 8.08871(10) Å). This tetragonal series of compounds exhibit the characteristics of a distorted double-perovskite structure. The bond valence sum values for the alkaline-earth (Ba, Sr) sites in all (BaxSr1−x)2CoWO6 members are greater than the ideal value of 2.0, indicating over-bonding situation, whereas for the W sites, as x increases, a change from under-bonding to slightly over-bonding situation was observed. Density functional theory calculations revealed that while Sr2CoWO6 is a semiconductor, Ba2CoWO6 and SrBaCoWO6 are half-metals. Powder X-ray diffraction patterns of this series of compounds (BaxSr1−x)2CoWO6, with x = 0.1, 0.2, 0.3, 0.5, 0.7, and 0.9, have been submitted to be included in the Powder Diffraction File.
This study aimed to investigate the clinical characteristics and to analyse the epidemiological features of coronavirus disease 2019 (COVID-19) patients during convalescence. In this study, we enrolled 71 confirmed cases of COVID-19 who were discharged from hospital and transferred to isolation wards from 6 February to 26 March 2020. They were all employees of Zhongnan Hospital of Wuhan University or their family members of which three cases were <18 years of age. Clinical data were collected and analysed statistically. Forty-one cases (41/71, 57.7%) comprised medical faculty, young and middle-aged patients (aged ⩽60 years) accounted for 81.7% (58/71). The average isolation time period for all adult patients was 13.8 ± 6.1 days. During convalescence, RNA detection results of 35.2% patients (25/71) turned from negative to positive. The longest RNA reversed phase time was 7 days. In all, 52.9% of adult patients (36/68) had no obvious clinical symptoms, and the remaining ones had mild and non-specific clinical symptoms (e.g. cough, sputum, sore throat, disorders of the gastrointestinal tract etc.). Chest CT signs in 89.7% of adult patients (61/68) gradually improved, and in the others, the lesions were eventually absorbed and improved after short-term repeated progression. The main chest CT manifestations of adult patients were normal, GGO or fibre streak shadow, and six patients (8.8%) had extrapulmonary manifestations, but there was no significant correlation with RNA detection results (r = −0.008, P > 0.05). The drug treatment was mainly symptomatic support therapy, and antibiotics and antiviral drugs were ineffective. It is necessary to re-evaluate the isolation time and standard to terminate isolation for discharged COVID-19 patients.
In this paper, the generation of relativistic electron mirrors (REM) and the reflection of an ultra-short laser off the mirrors are discussed, applying two-dimension particle-in-cell simulations. REMs with ultra-high acceleration and expanding velocity can be produced from a solid nanofoil illuminated normally by an ultra-intense femtosecond laser pulse with a sharp rising edge. Chirped attosecond pulse can be produced through the reflection of a counter-propagating probe laser off the accelerating REM. In the electron moving frame, the plasma frequency of the REM keeps decreasing due to its rapid expansion. The laser frequency, on the contrary, keeps increasing due to the acceleration of REM and the relativistic Doppler shift from the lab frame to the electron moving frame. Within an ultra-short time interval, the two frequencies will be equal in the electron moving frame, which leads to the resonance between laser and REM. The reflected radiation near this interval and corresponding spectra will be amplified due to the resonance. Through adjusting the arriving time of the probe laser, a certain part of the reflected field could be selectively amplified or depressed, leading to the selective adjustment of the corresponding spectra.
Antibiotics are designed to affect gut microbiota and subsequently gut homeostasis. However, limited information exists about short- and long-term effects of early antibiotic intervention (EAI) on gut homeostasis (especially for the small intestine) of pigs following antibiotic withdrawal. We investigated the impact of EAI on specific bacterial communities, microbial metabolites and mucosal immune parameters in the small intestine of later-growth-stage pigs fed with diets differing in CP levels. Eighteen litters of piglets were fed creep feed with or without antibiotics from day 7 to day 42. At day 42, pigs within each group were offered a normal- or low-CP diet. Five pigs per group were slaughtered at days 77 and 120. At day 77, EAI increased Enterobacteriaceae counts in the jejunum and ileum and decreased Bifidobacterium counts in the jejunum and ileum (P < 0.05). Moreover, tryptamine, putrescine, secretory immunoglobulin (Ig) A and IgG concentrations in the ileum and interleukin-10 (IL-10) mRNA and protein levels in the jejunum and ileum were decreased in pigs with EAI (P < 0.05). At day 120, EAI only suppressed Clostridium cluster XIVa counts in the jejunum and ileum (P < 0.05). These results suggest that EAI has a short-term effect on specific bacterial communities, amino acid decarboxylation and mucosal immune parameters in the small intestine (particularly in the ileum). At days 77 and 120, feeding a low-CP diet affected Bifidobacterium, Clostridium cluster IV, Clostridium cluster XIVa and Enterobacteriaceae counts in the jejunum or ileum (P < 0.05). Moreover, feeding a low-CP diet increased the concentrations of Igs in the jejunum and decreased pro-inflammatory cytokines levels in the jejunum and ileum (P < 0.05). At day 120, feeding a low-CP diet increased short-chain fatty acid concentrations, reduced ammonia and spermidine concentrations and up-regulated genes related to barrier function in the jejunum and ileum (P < 0.05). These results suggest that feeding a low-CP diet changes specific bacterial communities and intestinal metabolite concentrations and modifies mucosal immune parameters. These findings contribute to our understanding on the duration of the impact of EAI on gut homeostasis and may provide basis data for nutritional modification in young pigs after antibiotic treatment.
The aim of this study was to examine whether the presence of risk alleles of the norepinephrine transporter gene (SLC6A2) polymorphisms is associated with differences in regional cerebral blood flow (rCBF) measured by 99mTc-HMPAO single photon emission computerized tomography in a Korean sample of ADHD.
The present study included 24 children with ADHD (9.5±2.4 years), consisting of 20 boys and 4 girls, aged 6-16 years. We investigated the G1287A and -3081(A/T) polymorphisms of the SLC6A2. The rCBF was compared between the ADHD subjects with and without risk alleles at the G1287A polymorphism and at the -3081(A/T) polymorphism. Image analyses were performed with voxelwise t-statistics using SPM2.
1) The ADHD subjects with the A allele (risk allele) at the G1287A polymorphism showed reduced perfusion in the left middle frontal gyrus, left inferior parietal lobule, precuneus, right superior frontal gyrus, and right superior parietal lobule as compared with ADHD subjects without the A allele (p< 0.001).
2) The ADHD subjects with the A allele at the G1287A polymorphism showed increased perfusion in the right middle frontal gyrus, right middle temporal gyrus, right superior temporal gyrus, right fusiform gyrus, right precentral gyrus, and right anterior lobe of cerebellum as compared with ADHD subjects without the A allele (p< 0.001).
3) No significant perfusion differences were found between ADHD subjects with and without the T allele (risk allele) at the -3081(A/T) polymorphism.
Our findings suggest that the SLC6A2 G1287A polymorphism might exert differential effects on rCBF in children with ADHD.
Tourette's syndrome (TS) is a childhood-onset neuro- psychiatric disorder characterised by multiple motor and vocal tics lasting more than one year. An immune-mediated mechanism involving molecular mimicry has been proposed for PANDAS (Paediatric autoimmune neuropsychiatric disorders associated with streptococcal infection). PANDAS may offer a new way to explore the pathogens of GTS. IL-1Ra86bp,IL-1βexon5 gene Polymorphism and Cognitive Function are studied in 86 Children with Tourette's Syndrome.
In the present study, we genotyped a large multiplex sample of GTS affected children for polymorphisms in IL-1Ra86bp,IL-1βexon5 genes. Associations were tested by the transmission disequilibrium test (TDT). 86 Han Chinese children with GTS were tested using a set of neuropsychological test(Stroop test, trail making test, verbal fluency test, modified Wisconsin Card sorting test) and compared with 51 healthy control group to understand the relationship between cognitive deficits and genetics.
No evidence for transmission disequilibrium was found for polymorphisms of IL-1 Ra86bp,IL-1 βexon5 gene in this GTS sample. The frequency of 410bp/240bp genotype and 240bp allele in combined ADHD were significantly different from GTS alone. Compared with normal children, The GTS group showed impairment on almost all psychological measures. No evidence show significantly difference among IL-1Ra86bp, IL-1βexon5 gene Polymorphism and Cognitive Function.
For the GTS+ADHD group, the 240bp allele of IL-1Ra gene Polymorphism perhaps is another risk factor.GTS patient has memory, attention and executive function defect, these defects may have something to do with the prefrontal dopamine disfunction.
To assess healthy-related quality of life and psychosocial adjustment in children with newly diagnosed cancer and their parents immediately and 6 months after diagnosis and treatment of cancer.
A prospective, case control study was conducted on eighty-nine children with newly diagnosed cancer, aged between 6 months to 16.7 years (mean, 8.2 years), and ninety healthy children of matched age group and social background. The children were assessed with the Child Behavior Checklist (CBCL), and the Parenting Stress Index (PSI) and the SF-36 questionnaire were administered to their parents immediately after diagnosis of cancer, 3 months after chemotherapy, and 6 months after chemotherapy.
No matter at the period immediately after diagnosis of cancer, 3 months or 6 months after starting chemotherapy, the parents of children with cancer scored significantly worse on every domains of SF-36 except body pain and every subscales of PSI except distractibility/hyperactivity and attachment when compared with the control group. The cancer group scored consistently lower on all CBCL syndrome scales than the control group, with anxiety, depression and body pain being significantly different. After starting chemotherapy, the parents reported improved scores on quality of life and decreasing parenting stress in both parent and child domains since 3 months or 6 months after starting chemotherapy.
Considerable distress was experienced by both children with newly diagnosed cancer and their parents during the period immediately after diagnosis. However, parents can adjust gradually since 3 months after starting chemotherapy and experience improved quality of life.
The purpose of this study was to investigated the prevalence child depression in primary schools.
3685 students from Grade 3 to Grade 5 were selected from 7 primary schools of Pudong district in Shanghai by random and cluster sampling. The study design consisted of a screening stage in which the Center for Epidemiological Studies Depression Scale for Children(CES-DC) were used, and a clinical interview stage in which the K-SADS-present state version (K-SADS) and DSM-IV were used. The diagnoses of depressive disorder were made according the DSM-IV criteria.
The prevalence of children depression was 1.60% (95%CI = 1.19%∼2.00%). The prevalence rate of male(2.08%) was significant higher than that of female (1.09%)(X2=5.40, P = 0.02). The rate of depressive disorder increased with age from 0.57% (8 years old) to 2.47% (12 years old). The prevalence of depression was no significant difference between ages from 8 to 12 years old (X2 = 4.49, P = 0.34).
The prevalence rate of children depression in Shanghai is low. The prevalence of depression among boys is much higher than that of girls.It shows the prevalence of depression is no significant difference between ages from 8 to 12 years old.
So far, successful ageing is usually a dream or presumed as an unreachable goal for those people with major psychotic disorders, especially the schizophrenia and bipolar I disorder. Thanks to the improvement of general health, better treatment, and decreased discriminations, there are more and more people with major psychotic disorders live into later age. Due to the persistent and active psychotic symptoms, the impaired cognitive performance and malfunctioned supportive system, most of our patients appeared less prepared for their later life. Unfortunately, how and what will they live through the jeopardy has been neglected and under discussed as there are few literatures in this topic.
The author will search the articles and theses relevant to this issue from the literature through evidence-based approaches and discuss it in three major parts. The first part of the presentation will be the review of the past condition and the facts of current situation of the people with major psychotic disorder in later life. Epidemiological study profiles with the frame of traditional biopsycho-social construct will be reported. The second part will be the possible ways these people may adopt to achieve successful aging with their efforts in a self-management model. In the third part, the author will propose possible and feasible programs that promote active living for the people with major psychotic disorders, aiming at the goal of successful ageing.
In conclusion, the author hopes that this presentation could become the morning bells and arouse the attention in this field.
Impaired executive function has been proposed as a trait marker for adult bipolar disorder. However, similar impairments in children bipolar disorder have not been yet documented. Here,we assessed executive function in 21 children and adolescents with bipolar disorder.
21 children and adolescents with bipolar disorder and 21 demographically matched healthy participants completed a standardized WCST test.
The operation result in children with bipolar disorder did not differ from that in controls. Severity of mood symptomatology was not associated with WCST performance in any bipolar subtype.
Findings suggest that executive function in children bipolar disorder are not similar to those seen in the adult form of the illness. Compares with the adult, the children bipolar disorder possibly may have different pathogenesis.
Little is known about medication adherence among Asians and Asian Americans in psychiatric treatment.
We conducted a systematic review of studies of Asian American and Asian patients with depression or schizophrenia to understand adherence rates and tools used to measure adherence.
A key word search of PubMED and PsycINFO, restricted to journal articles available in English or Chinese and published between 1960 and March 2010 was performed. Reference lists of studies meeting inclusion criteria were manually reviewed and content experts were consulted. Two investigators independently reviewed all identified publications for inclusion using predetermined criteria and a pilot tested data-abstraction form.
Of the 1520 journal articles retrieved, 10 met criteria for inclusion. Adherence rates among patients with schizophrenia ranged from 5–71%; adherence rates among patients with depression ranged from 16–67%. Adherence rates varied among Asian sub-populations: Chinese patients’ rates ranged from 6–56%; Taiwanese patients’ rate was 46–61%; Asian American patients’ rate was 16%; Japanese patients’ rate was 56–71%; and Singaporean patients’ rate was 4.3%. Adherence was measured by: self-report; blood levels; refill rates; chart review; or physician/nurse or family caregiver report.
Medication adherence rates varied across clinical populations and country of origin. Nearly all of the rates are lower than many clinicians would consider acceptable. A critical step to research on improving adherence will involve reaching consensus on how to measure rates.
Many family characteristics were reported to increase the risk of bipolar disorder (BPD). The development of BPD may be mediated through different pathways, involving diverse risk factor profiles. We evaluated the associations of family characteristics to build influential causal-pie models to estimate their contributions on the risk of developing BPD at the population level. We recruited 329 clinically diagnosed BPD patients and 202 healthy controls to collect information in parental psychopathology, parent-child relationship, and conflict within family. Other than logistic regression models, we applied causal-pie models to identify pathways involved with different family factors for BPD. The risk of BPD was significantly increased with parental depression, neurosis, anxiety, paternal substance use problems, and poor relationship with parents. Having a depressed mother further predicted early onset of BPD. Additionally, a greater risk for BPD was observed with higher numbers of paternal/maternal psychopathologies. Three significant risk profiles were identified for BPD, including paternal substance use problems (73.0%), maternal depression (17.6%), and through poor relationship with parents and conflict within the family (6.3%). Our findings demonstrate that different aspects of family characteristics elicit negative impacts on bipolar illness, which can be utilized to target specific factors to design and employ efficient intervention programs.
Menopausal syndrome has been reported to be a worldwide women's mental health problem. Aborigines in rural areas have poorer access to mental health services. Thus, it is important to evaluate such symptoms of female aborigines with different menopausal statuses and their association with depression.
The aim of the study is to evaluate the association between physiological menopausal symptoms and depression during different menopausal period among female Taiwanese aborigines.
A total of 672 Taiwanese aboriginal women, aged 40–60, were recruited in the interviewing study and classified as pre-, peri-, and postmenopausal according to menstrual bleeding patterns in the previous 12 months. Then, the postmenopausal symptoms, depression, self-perceived health, family support, and associated demographic variables were assessed by questionnaire based on the results of interviewing by research assistants.
The results revealed that perimenopausal statuses were associated with depression and women with a perimenopausal status had a higher prevalence of depression than those with a premenopausal status. A higher score on physiological postmenopausal symptoms was found to be significantly associated with depression. Furthermore, somatic symptoms were associated with depression for pre-, peri-, and postmenopausal statuses. Moreover, sexual dysfunction and vasomotor symptoms were associated with depression only in the premenopausal status and postmenopausal status, respectively.
Depression should be routinely evaluated for female Taiwanese aborigines consulting with physicians for menopause symptoms, especially for somatic symptoms. Furthermore, attention should be provided to premenopausal women with sexual dysfunction and postmenopausal women with vasomotor symptoms for depression.
Post-stroke depression (PSD) is the most common psychiatric complication facing stroke survivors and has been associated with increased distress, physical disability, poor rehabilitation, and suicidal ideation. However, the pathophysiological mechanisms underlying PSD remain unknown, and no objective laboratory-based test is available to aid PSD diagnosis or monitor progression.
Here, an isobaric tags for relative and absolute quantitation (iTRAQ)-based quantitative proteomic approach was performed to identify differentially expressed proteins in plasma samples obtained from PSD, stroke, and healthy control subjects.
The significantly differentiated proteins were primarily involved in lipid metabolism and immunoregulation. Six proteins associated with these processes – apolipoprotein A-IV (ApoA-IV), apolipoprotein C-II (ApoC-II), C-reactive protein (CRP), gelsolin, haptoglobin, and leucine-rich alpha-2-glycoprotein (LRG) – were selected for Western blotting validation. ApoA-IV expression was significantly upregulated in PSD as compared to stroke subjects. ApoC-II, LRG, and CRP expression were significantly downregulated in both PSD and HC subjects relative to stroke subjects. Gelsolin and haptoglobin expression were significantly dysregulated across all three groups with the following expression profiles: gelsolin, healthy control > PSD > stroke subjects; haptoglobin, stroke > PSD > healthy control.
Early perturbation of lipid metabolism and immunoregulation may be involved in the pathophysiology of PSD. The combination of increased gelsolin levels accompanied by decreased haptoglobin levels shows promise as a plasma-based diagnostic biomarker panel for detecting increased PSD risk in post-stroke patients.
IntimatePartner violence (IPV) against women is an international public health concern. Evidence of the association between IPV and morbidity and mortality of women and child abuse is substantial. Primary health care workers play a critical role in detection and management of IPV.
The aim of this survey was to assess the primary care nurses' preparedness to identify and provide nursing care to women exposed to IPV.
A cross-sectional survey was carried out in all primary health care centers in rural communities in one county of southern Taiwan. This survey involved all available nurses (280) in these centers. The response rate was 94.6%. A self- administrative questionnaire was used for data collection.
The preparedness regarding IPV among nurses was weak. 10.2% of the nurses believed they were sufficiently prepared to deal with women exposed to IPV. 13.2% of the nurses have received education or training about dealing with IPV. The most frequently reported barriers to deal with battered women were lack of knowledge and skills about IPV.
These results suggest that an in-service training program need to be set up for nurses working in primary health care centers. This program would help the nurses prepare to intervene more effectively to promote the health of battered women.