An investigation on artificial reproduction of Mugil cephalus
Cultured nine years old breeder M. cephalus specimens were subjected to eight artificial breeding treatments from December till February 2003. In treatments 1-5, breeders received two injections of CPH and LIIRFI—A2 coupled with Domperidone or a mixture of CPH and HCG in an interval of 24 hours. Female breeders in treatments 6-8 received a gradual daily injection of 500 1U HCG per kilogram of body weight for 5 days. Male breeders in treatments 6-8 were given 5-10mg of MT-a-17 in addition to HCG and then subjected to two injections similar to that of treatments 1-5. Results showed that male breeders in stages +2 and +3 of all treatments that had received HCG produced more milt than those injected with MT-a-17, such that each male was used 2-6 times for milting purposes. Of 27 female breeders, 22 spawned 1-2.6 million eggs among which eight females' eggs were fertilized 10-95%. Hatching rate was between 0.008 to 88.9% and a maximum of 2 million larvae were produced. The best time for artificial breeding is December when mean egg width is ,600 microns. Statistical analysis of egg width, hatching rate and larvae production showed a significant difference between treatments 1-5 and 6-8 (p<0.05). This proved the supremacy of multiple injections including HCG for artificial breeding of Mugil cephalus.
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Format: | article biblioteca |
Language: | Persian |
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2006
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Subjects: | Aquaculture, Mugil cephalus, Artificial breeding, Iran, |
Online Access: | http://hdl.handle.net/1834/39106 |
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dig-aquadocs-1834-391062021-07-15T03:15:49Z An investigation on artificial reproduction of Mugil cephalus Mirhashem Rostamy, S.A. Amini, K. Joorjany, M. Ghazel, H.Gh. Shafaee, A. Aquaculture Mugil cephalus Artificial breeding Iran Cultured nine years old breeder M. cephalus specimens were subjected to eight artificial breeding treatments from December till February 2003. In treatments 1-5, breeders received two injections of CPH and LIIRFI—A2 coupled with Domperidone or a mixture of CPH and HCG in an interval of 24 hours. Female breeders in treatments 6-8 received a gradual daily injection of 500 1U HCG per kilogram of body weight for 5 days. Male breeders in treatments 6-8 were given 5-10mg of MT-a-17 in addition to HCG and then subjected to two injections similar to that of treatments 1-5. Results showed that male breeders in stages +2 and +3 of all treatments that had received HCG produced more milt than those injected with MT-a-17, such that each male was used 2-6 times for milting purposes. Of 27 female breeders, 22 spawned 1-2.6 million eggs among which eight females' eggs were fertilized 10-95%. Hatching rate was between 0.008 to 88.9% and a maximum of 2 million larvae were produced. The best time for artificial breeding is December when mean egg width is ,600 microns. Statistical analysis of egg width, hatching rate and larvae production showed a significant difference between treatments 1-5 and 6-8 (p<0.05). This proved the supremacy of multiple injections including HCG for artificial breeding of Mugil cephalus. 2021-06-24T18:16:33Z 2021-06-24T18:16:33Z 2006 article TRUE 1026-1354 http://hdl.handle.net/1834/39106 fa http://www.ifro.ir application/pdf application/pdf 181-196 http://aquaticcommons.org/id/eprint/24687 18721 2018-08-04 16:01:09 24687 Iranian Fisheries Science Research Institute |
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Aquaculture Mugil cephalus Artificial breeding Iran Aquaculture Mugil cephalus Artificial breeding Iran Mirhashem Rostamy, S.A. Amini, K. Joorjany, M. Ghazel, H.Gh. Shafaee, A. An investigation on artificial reproduction of Mugil cephalus |
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Cultured nine years old breeder M. cephalus specimens were subjected to eight artificial breeding treatments from December till February 2003. In treatments 1-5, breeders received two injections of CPH and LIIRFI—A2 coupled with Domperidone or a mixture of CPH and HCG in an interval of 24 hours. Female breeders in treatments 6-8 received a gradual daily injection of 500 1U HCG per kilogram of body weight for 5 days. Male breeders in treatments 6-8 were given 5-10mg of MT-a-17 in addition to HCG and then subjected to two injections similar to that of treatments 1-5. Results showed that male breeders in stages +2 and +3 of all treatments that had received HCG produced more milt than those injected with MT-a-17, such that each male was used 2-6 times for milting purposes. Of 27 female breeders, 22 spawned 1-2.6 million eggs among which eight females' eggs were fertilized 10-95%. Hatching rate was between 0.008 to 88.9% and a maximum of 2 million larvae were produced. The best time for artificial breeding is December when mean egg width is ,600 microns. Statistical analysis of egg width, hatching rate and larvae production showed a significant difference between treatments 1-5 and 6-8 (p<0.05). This proved the supremacy of multiple injections including HCG for artificial breeding of Mugil cephalus. |
format |
article |
topic_facet |
Aquaculture Mugil cephalus Artificial breeding Iran |
author |
Mirhashem Rostamy, S.A. Amini, K. Joorjany, M. Ghazel, H.Gh. Shafaee, A. |
author_facet |
Mirhashem Rostamy, S.A. Amini, K. Joorjany, M. Ghazel, H.Gh. Shafaee, A. |
author_sort |
Mirhashem Rostamy, S.A. |
title |
An investigation on artificial reproduction of Mugil cephalus |
title_short |
An investigation on artificial reproduction of Mugil cephalus |
title_full |
An investigation on artificial reproduction of Mugil cephalus |
title_fullStr |
An investigation on artificial reproduction of Mugil cephalus |
title_full_unstemmed |
An investigation on artificial reproduction of Mugil cephalus |
title_sort |
investigation on artificial reproduction of mugil cephalus |
publishDate |
2006 |
url |
http://hdl.handle.net/1834/39106 |
work_keys_str_mv |
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