Effects of birth weight and sex on some economic traits in Brown Swiss calves

2007 ◽  
Vol 2007 ◽  
pp. 192-192
Author(s):  
Behnam Saremi ◽  
Atieh Rahimi
Keyword(s):  
Environmental Management ◽  
Birth Weight ◽  
Dairy Industry ◽  
Metabolic Stress ◽  
Cost Effective ◽  
Economic Traits ◽  
Factors Affecting ◽  
Brown Swiss ◽  
Swiss Population ◽  
Successful Production

From birth to weaning calves tolerate most stress include metabolic stress and parturition and at new environment obtained nutrients from milk instead of mother blood. In order to successful production of calves, a set of nutritional and environmental management is needed. Calves mortality from birth to weaning is too much and cost effective for dairy industry. Instead, there is low mortality of heifers from weaning to parturition (1). Brown Swiss breed has low population in respect to Holstein in Iran. Low data is available about Brown Swiss population especially Brown Swiss calves. This study conducted to determine some information about Brown Swiss calves from birth to weaning and factors affecting economic traits at this period.

Factors affecting body weight at birth and at 90 days of age in pure-bred and cross-bred cattle in a tropical environment

1972 ◽  
Vol 78 (2) ◽  
pp. 227-231 ◽  
Author(s):  
M. B. Willis ◽  
P. D. P. Wood ◽  
A. Kaspar
Keyword(s):  
Body Weight ◽  
Birth Weight ◽  
Genetic Correlations ◽  
Tropical Environment ◽  
Seasonal Effect ◽  
General Tendency ◽  
Season Of Birth ◽  
Factors Affecting ◽  
Brown Swiss ◽  
Sex Effects

SUMMARYLive weights of 8764 calves born in seven herds in Cuba during the years 1966–8 were measured at birth and at approximately 3 months of age. Over 2600 were pure bred: Zebu (2002), Santa Gertrudis (435) and Charolais (212); the remainder were crossbred Holstein x Zebu (4955) and Brown Swiss x Zebu (1160).Year, season of birth, herd and sex were associated with variation in mean birth weight in all breeds and crosses except Charolais in which no seasonal effect was apparent and in Brown Swiss x Zebu cross-breeds in which herd and sex effects were absent.At 90 days there was a general tendency for calves born in late spring and summer to be heavier than those bom at other times. By this age, herd variation had subsided among Brown Swiss x Zebu cross-breds, and variation due to sex had ceased to be important among Charolais calves.Estimates of heritability of birth weight ranged from 0·09 in Holstein crosses to 0·62 in Brown Swiss crosses, and of weight at 90 days from 0·05 in Brown Swiss crosses to 0·44 in the Charolais breed. Phenotypic correlations between birth and 90 days weights were of the order of + 0·25 while genetic correlations were positive for pure breeds and negative for cross-breeds.

scholarly journals Factors Affecting the Lut Desert Tourism in Iran: Developing an Interpretive-Structural Model

2021 ◽  
Vol 13 (13) ◽  
pp. 7245
Author(s):  
Beniamino Murgante ◽  
Mohammad Eskandari Sani ◽  
Sara Pishgahi ◽  
Moslem Zarghamfard ◽  
Fatemeh Kahaki
Keyword(s):  
Sampling Method ◽  
Structural Model ◽  
Tourism Development ◽  
Cost Effective ◽  
Structural Modeling ◽  
Interpretive Structural Modeling ◽  
Factors Affecting ◽  
Purposive Sampling ◽  
Interpretive Structural Model ◽  
Lut Desert

The Lut desert is one of the largest and most attractive deserts in Iran. The value of desert tourism remains unclear for Iran’s economy and has only recently been taken into consideration by the authorities, although its true national and international value remains unclear. This study was aimed at investigating the factors that influence tourism development in the Lut desert. Data collected through the purposive sampling method was analyzed using Interpretive Structural Modeling and the MICMAC Analysis. According to the results, cost-effective travel expenses, security, and safety provided in the desert, together with appropriate media advertising and illustration of the Lut desert (branding) are the leading factors that influence tourism in the Lut desert in Iran. This paper highlighted the importance of desert tourism, especially in this region.

Review of the impact Covid-19 has on the Psychosocial factors affecting Well-Being

2021 ◽  
pp. 3404-3408
Author(s):  
Sheila Menon FBSCH ◽  
Vidya Bhagat
Keyword(s):  
Psychosocial Factors ◽  
Health Workers ◽  
Public Awareness ◽  
Cost Effective ◽  
Well Being ◽  
Security Measures ◽  
Post Traumatic Stress ◽  
Negative Effects ◽  
Factors Affecting ◽  
The Impact

The COVID-19 pandemic has had a significant impact on the psychosocial factors that effect people globally. Particularly affected are children, students and health workers and the common symptoms identified are stress, anxiety disorders, depression and post-traumatic stress disorder. In addition, the various security measures implemented to ensure public safety have adversely affected relationships between people. This study directs public awareness to the value of psychotherapeutic support. Tele-therapy can be offered easily to people both at home or in the workplace, providing both cost effective and time sensitive solutions during times of crisis. The current review article provides an overview of the importance of maintaining psychological well-being during a pandemic and the identifies the role that empathetic communication has on wellbeing. The literature review was completed using electronic databases such as PubMed, Medline, and Scopus databases using the keywords covid-19, affected groups, affected relationships, psychology and its technological interventions, negative effects of pandemic so on.

CRITICAL REVIEW OF EMULSION STABILITY AND CHARACTERIZATION TECHNIQUES IN OIL PROCESSING

2021 ◽  
pp. 1-36
Author(s):  
Vahideh Angardi ◽  
Ali Ettehadi ◽  
Özgün Yücel
Keyword(s):  
Separation Efficiency ◽  
Petroleum Industry ◽  
Cost Effective ◽  
Downstream Processing ◽  
Physical Factors ◽  
Comprehensive Review ◽  
Factors Affecting ◽  
Mathematical Explanations ◽  
The Stability ◽  
The Right

Abstract Effective separation of water and oil dispersions is considered a critical step in the determination of technical and economic success in the petroleum industry over the years. Moreover, a deeper understanding of the emulsification process and different affected parameters is essential for cost-effective oil production, transportation, and downstream processing. Numerous studies conducted on the concept of dispersion characterization indicate the importance of this concept, which deserves attention by the scientific community. Therefore, a comprehensive review study with critical analysis on significant concepts will help readers follow them easily. This study is a comprehensive review of the concept of dispersion characterization and conducted studies recently published. The main purposes of this review are to 1) Highlight flaws, 2) Outline gaps and weaknesses, 3) Address conflicts, 4) Prevent duplication of effort, 5) List factors affecting dispersion. It was found that the separation efficiency and stability of dispersions are affected by different chemical and physical factors. Factors affecting the stability of the emulsions have been studied in detail and will help to look for the right action to ensure stable emulsions. In addition, methods of ensuring stability, especially coalescence are highlighted, and coalescence mathematical explanations of phenomena are presented.

Gestation length, birth weight and growth rates of pure-bred indigenous goats and their crosses in Kenya

1988 ◽  
Vol 111 (2) ◽  
pp. 363-368 ◽  
Author(s):  
F. Ruvuna ◽  
T. C. Cartwright ◽  
H. Blackburn ◽  
M. Okeyo ◽  
S. Chema
Keyword(s):  
Growth Rate ◽  
Birth Weight ◽  
Statistical Analysis ◽  
Least Squares ◽  
Growth Rates ◽  
Gestation Length ◽  
East African ◽  
Factors Affecting ◽  
Cross Breeding ◽  
Indigenous Goats

SummaryData on gestation period of 701 indigenous East African and Galla does and pre- and postweaning growth of 810 pure-bred and cross-bred kids were analysed by least squares statistical analysis. Breeds of kids were East African, Galla, Toggenburg × East African, Toggenburg × Galla, Anglo-Nubian × East African and Anglo-Nubian × Galla. Average gestation length was 149 days and was significantly (P < 0·05) affected by type of birth of the kid, year–month of kidding, and age of dam. Does carrying twins had shorter gestation length than does carrying singles. Sex and breed of kid did not have significant effect on gestation length.Significant (P < 0·05) factors affecting birth weight, weight at 30, 60, 90, 120, 150, 210 and 270 days of age, and preweaning growth rate were breed and sex of kid, type of birth, year–month and age of dam. Male kids grew faster and were heavier than females. Kids born single were heavier and grew faster than twin-born kids. Kids from dams less than 3 years old weighed less than kids from older dams. Cross-bred kids had higher preweaning growth rates than indigenous pure-bred kids. The Anglo-Nubian × Galla cross was heaviest while the East African ranked lowest. The results point to importance of cross-breeding with temperate breeds to increase growth rates of indigenous goats. Comparison of Toggenburg and Anglo-Nubian sires for cross-breeding showed both buck breeds produced kids with roughly equal growth rates. Evaluation of indigenous Galla and East African dams for cross-breeding showed Galla dams produced heavier kids than East African but preweaning growth rates were not significantly different.

scholarly journals Placental Factors Affecting Birth Weight of Late Onset Severe Preeclampsia

2018 ◽  
Vol 1 (3) ◽  
pp. 149-156
Author(s):  
A Martadiansyah ◽  
W T Pangemanan ◽  
N Bernolian ◽  
H Maulani ◽  
Theodorus Theodorus
Keyword(s):  
Birth Weight ◽  
Late Onset ◽  
Severe Preeclampsia ◽  
Case Group ◽  
Factors Affecting ◽  
Positive Correlation ◽  
Regression Test ◽  
Fibrin Thrombi ◽  
Logistic Regression Test ◽  
Control Study

Objective of the study is to determine the correlation of placenta and birth weight in late onset preeclampsia. A case-control study,analysis prevalence was conducted in Moh Hoesin Hospital Palembang from August 2015 to August 2016. Samples were women who giving birth in Moh Hoesin Hospital Palembang. They were devided into two groups, severe preeclampsia as case group and normotension as control. Data were analyzed by X2, Exact Fisher’s and logistic regression test using SPSS 16.0. There were 180 subjects (90 cases and 90 controls). There was a positive correlation between placental macroscopic and late onset preeclampsia (p=0.009; OR=6.9), in contrast there was only one different placental microvascularisation of 16, between late onset preeclampsia and normotension, the mural or occlusive fibrin thrombi chorion (p=0.005; OR=9.9). Birth weight in late onset preeclampsia tended to be small but still in normal range and it was not statistictly significant (p=0.112; OR=10.4). There was a positive correlation between placental macroscopic and SGA baby on late onset preeclampsia (p=0.026; OR=16.6), but it wasnot proven microscopically. Placenta remains contributed to the pathogenesis of the late onset preeclampsia, but not as dominant as the early one.

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