Effect of Inbreeding on Juvenile Body Weight and Weight Gain in Meat-type Chickens
نویسندگان
چکیده
منابع مشابه
Inbreeding and Inbreeding Depression on Body Weight in Iranian Shal Sheep
The aim of this study was to estimate amount of inbreeding coefficient in Shal sheep and its impact on growth performance. Pedigree information and body weight at different ages (birth weight, 3 month weight, 6 month weight, 9 month weight and 12 month weight) were used from 6692 lambs from 90 rams and 1007 ewes. Data were collected on Ghazvin sheep breeding station during 1997-2013. Estimation...
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Introduction After the introduction of surfactant, the survival rate of preterm neonates has increased significantly. This issue attracted much attention towards this fragile population. Many studies have demonstrated that massage plays a role in the weight gain of preterm infants. This study compares the effect of massage therapy on infants who were massaged by a nurse or their mother with tho...
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A pedigree file consisting of 5860 individuals, 167 sires and 1582 dams collected at Makooei sheep breeding station (MSBS) during a period of 24 years (1990 to 2013) was used to calculate the inbreeding coefficients to reveal any probable effects of inbreeding (F) on the studied traits. The studied traits were classified to the five main groups including body weight, Kleiber ratio, body measure...
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The aim of the present study was to determine the effect of superficial tactile- kinesthetic stimulation method on weight gain of low birth weight infants This is a quasi experimental, type of clinical trial study which was conducted on 54 low birth weight infants in Alzahra, Shahid Beheshti and Shariati hospitals was conducted by convenient sampling method. They were assigned to two groups of ...
متن کاملThe Effect of Massage on Weight Gain of Low-Weight Hospitalized Infants: A Randomized Clinical Trial
Purpose: Low birth weight (LBW) is one of the most serious health problems in infants. Many studies indicate that LBW infants, who survive, may suffer from long- and short-term physical,mental, and social problems. This study aimed to determine the effect of massage therapy on weight gain of LBW neonates. Methods: This study was a randomized clinical trial. A total of 45 LBW neonates were rand...
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ژورنال
عنوان ژورنال: Japanese poultry science
سال: 1978
ISSN: 0029-0254
DOI: 10.2141/jpsa.15.34