ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBS
This study was carried out on Awassi sheep in two flocks: the first the flock of college of Agriculture and Forestry/ University of Mosul and the second flock of AL- Rashidia Animal Breeding for two years. A hundred and five ram lambs were used in this study , body weight and scrotal size were measu...
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doaj-8578d4a4d397484f844d05594099866e2020-11-25T03:14:22ZaraCollege of AgricultureMesopotamia Journal of Agriculture1815-316X2224-97962018-03-0146110711410.33899/magrj.2018.161422161422ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBSFalah AL-Hassan0Animal Breed. Stat. Mosul, College of Agriculture and Forestry, Mosul University. IraqThis study was carried out on Awassi sheep in two flocks: the first the flock of college of Agriculture and Forestry/ University of Mosul and the second flock of AL- Rashidia Animal Breeding for two years. A hundred and five ram lambs were used in this study , body weight and scrotal size were measured at 4 , 5 , 6 and 7 months of age. The results showed a non significant effect of year of birth on body weight, the ram lambs of AL-Rashidia flock were significant succeeded in their body weight, a significant differences were found in body weight of ram lambs at 4 months of age due to age of dam, and the single were better significantly than twins in body weight at 4 months of age only. There were a significant effect of year of birth on scrotal size at 5, 6 and 7 months of age , the effect of flock was a significant on scrotal size at all ages , s significant differences were found in scrotal size at 5 and 6 months of age due to age of dam , in other hand no significant effects was observed for type of birth on scrotal size at all ages. Heritabity estimates at 4 , 5 , 6 and 7 months of age were (0.58 , 0.64 , 0.52 and 0.44) for body weight and (0.30 , 0.22 , 0.21 and 0.31)for scrotal size respectively , all genetic and phenotypic correlations between the studied traits were positive and highly significant.https://magrj.mosuljournals.com/article_161422_e6ed88cf56f86c59d90d7f08afb2a1fe.pdf: scrotal volumeheritabilityfixed factors |
collection |
DOAJ |
language |
Arabic |
format |
Article |
sources |
DOAJ |
author |
Falah AL-Hassan |
spellingShingle |
Falah AL-Hassan ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBS Mesopotamia Journal of Agriculture : scrotal volume heritability fixed factors |
author_facet |
Falah AL-Hassan |
author_sort |
Falah AL-Hassan |
title |
ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBS |
title_short |
ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBS |
title_full |
ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBS |
title_fullStr |
ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBS |
title_full_unstemmed |
ESTIMATION OF SOME GENETIC AND NON GENETIC PARAMETERS FOR BODY WEIGHT AND SCROTAL SIZE IN AWASSI RAM LAMBS |
title_sort |
estimation of some genetic and non genetic parameters for body weight and scrotal size in awassi ram lambs |
publisher |
College of Agriculture |
series |
Mesopotamia Journal of Agriculture |
issn |
1815-316X 2224-9796 |
publishDate |
2018-03-01 |
description |
This study was carried out on Awassi sheep in two flocks: the first the flock of college of Agriculture and Forestry/ University of Mosul and the second flock of AL- Rashidia Animal Breeding for two years. A hundred and five ram lambs were used in this study , body weight and scrotal size were measured at 4 , 5 , 6 and 7 months of age. The results showed a non significant effect of year of birth on body weight, the ram lambs of AL-Rashidia flock were significant succeeded in their body weight, a significant differences were found in body weight of ram lambs at 4 months of age due to age of dam, and the single were better significantly than twins in body weight at 4 months of age only. There were a significant effect of year of birth on scrotal size at 5, 6 and 7 months of age , the effect of flock was a significant on scrotal size at all ages , s significant differences were found in scrotal size at 5 and 6 months of age due to age of dam , in other hand no significant effects was observed for type of birth on scrotal size at all ages. Heritabity estimates at 4 , 5 , 6 and 7 months of age were (0.58 , 0.64 , 0.52 and 0.44) for body weight and (0.30 , 0.22 , 0.21 and 0.31)for scrotal size respectively , all genetic and phenotypic correlations between the studied traits were positive and highly significant. |
topic |
: scrotal volume heritability fixed factors |
url |
https://magrj.mosuljournals.com/article_161422_e6ed88cf56f86c59d90d7f08afb2a1fe.pdf |
work_keys_str_mv |
AT falahalhassan estimationofsomegeneticandnongeneticparametersforbodyweightandscrotalsizeinawassiramlambs |
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