Growth and gonadal development of female Nile tilapia (

Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 day...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Habibah, Aulidya Nurul [verfasserIn] Sharifi, Ahmad Reza [verfasserIn] Wessels, Stephan [verfasserIn] Wilting, Joerg [verfasserIn] Hoerstgen-Schwark, Gabriele [verfasserIn] Holtz, Wolfgang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Gonadal development Nile tilapia Sex reversal Thermal treatment

Übergeordnetes Werk:	Enthalten in: Aquaculture - Amsterdam [u.a.] : Elsevier Science, 1972, 531
Übergeordnetes Werk:	volume:531

DOI / URN:	10.1016/j.aquaculture.2020.735865

Katalog-ID:	ELV052154289

Internformat


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520			\|a Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world.
650		4	\|a Gonadal development
650		4	\|a Nile tilapia
650		4	\|a Sex reversal
650		4	\|a Thermal treatment
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700	1		\|a Wessels, Stephan \|e verfasserin \|4 aut
700	1		\|a Wilting, Joerg \|e verfasserin \|4 aut
700	1		\|a Hoerstgen-Schwark, Gabriele \|e verfasserin \|4 aut
700	1		\|a Holtz, Wolfgang \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Aquaculture \|d Amsterdam [u.a.] : Elsevier Science, 1972 \|g 531 \|h Online-Ressource \|w (DE-627)306314002 \|w (DE-600)1495998-7 \|w (DE-576)094503966 \|7 nnns
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Indexfelder

author_variant	a n h an anh a r s ar ars s w sw j w jw g h s ghs w h wh
matchkey_str	habibahaulidyanurulsharifiahmadrezawesse:2020----:rwhngndleeomnofm
hierarchy_sort_str	2020
bklnumber	48.68
publishDate	2020
allfields	10.1016/j.aquaculture.2020.735865 doi (DE-627)ELV052154289 (ELSEVIER)S0044-8486(20)31393-4 DE-627 ger DE-627 rda eng 570 550 VZ BIODIV DE-30 fid 48.68 bkl Habibah, Aulidya Nurul verfasserin aut Growth and gonadal development of female Nile tilapia ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world. Gonadal development Nile tilapia Sex reversal Thermal treatment Sharifi, Ahmad Reza verfasserin aut Wessels, Stephan verfasserin aut Wilting, Joerg verfasserin aut Hoerstgen-Schwark, Gabriele verfasserin aut Holtz, Wolfgang verfasserin aut Enthalten in Aquaculture Amsterdam [u.a.] : Elsevier Science, 1972 531 Online-Ressource (DE-627)306314002 (DE-600)1495998-7 (DE-576)094503966 nnns volume:531 GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.68 Aquakultur VZ AR 531
spelling	10.1016/j.aquaculture.2020.735865 doi (DE-627)ELV052154289 (ELSEVIER)S0044-8486(20)31393-4 DE-627 ger DE-627 rda eng 570 550 VZ BIODIV DE-30 fid 48.68 bkl Habibah, Aulidya Nurul verfasserin aut Growth and gonadal development of female Nile tilapia ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world. Gonadal development Nile tilapia Sex reversal Thermal treatment Sharifi, Ahmad Reza verfasserin aut Wessels, Stephan verfasserin aut Wilting, Joerg verfasserin aut Hoerstgen-Schwark, Gabriele verfasserin aut Holtz, Wolfgang verfasserin aut Enthalten in Aquaculture Amsterdam [u.a.] : Elsevier Science, 1972 531 Online-Ressource (DE-627)306314002 (DE-600)1495998-7 (DE-576)094503966 nnns volume:531 GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.68 Aquakultur VZ AR 531
allfields_unstemmed	10.1016/j.aquaculture.2020.735865 doi (DE-627)ELV052154289 (ELSEVIER)S0044-8486(20)31393-4 DE-627 ger DE-627 rda eng 570 550 VZ BIODIV DE-30 fid 48.68 bkl Habibah, Aulidya Nurul verfasserin aut Growth and gonadal development of female Nile tilapia ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world. Gonadal development Nile tilapia Sex reversal Thermal treatment Sharifi, Ahmad Reza verfasserin aut Wessels, Stephan verfasserin aut Wilting, Joerg verfasserin aut Hoerstgen-Schwark, Gabriele verfasserin aut Holtz, Wolfgang verfasserin aut Enthalten in Aquaculture Amsterdam [u.a.] : Elsevier Science, 1972 531 Online-Ressource (DE-627)306314002 (DE-600)1495998-7 (DE-576)094503966 nnns volume:531 GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.68 Aquakultur VZ AR 531
allfieldsGer	10.1016/j.aquaculture.2020.735865 doi (DE-627)ELV052154289 (ELSEVIER)S0044-8486(20)31393-4 DE-627 ger DE-627 rda eng 570 550 VZ BIODIV DE-30 fid 48.68 bkl Habibah, Aulidya Nurul verfasserin aut Growth and gonadal development of female Nile tilapia ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world. Gonadal development Nile tilapia Sex reversal Thermal treatment Sharifi, Ahmad Reza verfasserin aut Wessels, Stephan verfasserin aut Wilting, Joerg verfasserin aut Hoerstgen-Schwark, Gabriele verfasserin aut Holtz, Wolfgang verfasserin aut Enthalten in Aquaculture Amsterdam [u.a.] : Elsevier Science, 1972 531 Online-Ressource (DE-627)306314002 (DE-600)1495998-7 (DE-576)094503966 nnns volume:531 GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.68 Aquakultur VZ AR 531
allfieldsSound	10.1016/j.aquaculture.2020.735865 doi (DE-627)ELV052154289 (ELSEVIER)S0044-8486(20)31393-4 DE-627 ger DE-627 rda eng 570 550 VZ BIODIV DE-30 fid 48.68 bkl Habibah, Aulidya Nurul verfasserin aut Growth and gonadal development of female Nile tilapia ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world. Gonadal development Nile tilapia Sex reversal Thermal treatment Sharifi, Ahmad Reza verfasserin aut Wessels, Stephan verfasserin aut Wilting, Joerg verfasserin aut Hoerstgen-Schwark, Gabriele verfasserin aut Holtz, Wolfgang verfasserin aut Enthalten in Aquaculture Amsterdam [u.a.] : Elsevier Science, 1972 531 Online-Ressource (DE-627)306314002 (DE-600)1495998-7 (DE-576)094503966 nnns volume:531 GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.68 Aquakultur VZ AR 531
language	English
source	Enthalten in Aquaculture 531 volume:531
sourceStr	Enthalten in Aquaculture 531 volume:531
format_phy_str_mv	Article
bklname	Aquakultur
institution	findex.gbv.de
topic_facet	Gonadal development Nile tilapia Sex reversal Thermal treatment
dewey-raw	570
isfreeaccess_bool	false
container_title	Aquaculture
authorswithroles_txt_mv	Habibah, Aulidya Nurul @@aut@@ Sharifi, Ahmad Reza @@aut@@ Wessels, Stephan @@aut@@ Wilting, Joerg @@aut@@ Hoerstgen-Schwark, Gabriele @@aut@@ Holtz, Wolfgang @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	306314002
dewey-sort	3570
id	ELV052154289
language_de	englisch
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author	Habibah, Aulidya Nurul
spellingShingle	Habibah, Aulidya Nurul ddc 570 fid BIODIV bkl 48.68 misc Gonadal development misc Nile tilapia misc Sex reversal misc Thermal treatment Growth and gonadal development of female Nile tilapia (
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topic_title	570 550 VZ BIODIV DE-30 fid 48.68 bkl Growth and gonadal development of female Nile tilapia ( Gonadal development Nile tilapia Sex reversal Thermal treatment
topic	ddc 570 fid BIODIV bkl 48.68 misc Gonadal development misc Nile tilapia misc Sex reversal misc Thermal treatment
topic_unstemmed	ddc 570 fid BIODIV bkl 48.68 misc Gonadal development misc Nile tilapia misc Sex reversal misc Thermal treatment
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title	Growth and gonadal development of female Nile tilapia (
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title_full	Growth and gonadal development of female Nile tilapia (
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title_sort	growth and gonadal development of female nile tilapia (
title_auth	Growth and gonadal development of female Nile tilapia (
abstract	Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world.
abstractGer	Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world.
abstract_unstemmed	Nile tilapia is globally one of the most important food fish in aquaculture. It is a gonochoric species showing an enormous plasticity in sex determination. In response to exposure of genetic female fry to elevated water temperature between 10 and 20 days post hatching, corresponding to 14 to 24 days post fertilization (dpf), 37% were masculinized. Of control fry not exposed to thermal treatment all fish were females. Little is known about the dynamics of gonadal development in females that were thermally treated without getting masculinized. The present study addresses this question and investigates the effect of thermally induced sex conversion on overall growth rate. Beginning 90 dpf and until 240 dpf every 30 days 6 fish were sacrificed to assess growth and gonadal dynamics. Growth rate was highest in masculinized fish; the gonado-somatic-index (GSI) was higher in females, indicating development toward female gonads. Macro- and micromorphological study of the ovaries at various stages of development revealed that there was no difference in ovarian dynamics between temperature-treated and control females. In the present study temperature-induced masculinization was effective in more than one third of genetic females in conjunction with a 45% increase in body mass at close to 8 months of age, without affecting ovarian dynamics in non-masculinized females. The latter may provide for successful production of progeny, while the former may positively impact feeding the world.
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title_short	Growth and gonadal development of female Nile tilapia (
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up_date	2024-07-06T22:14:42.369Z
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Growth and gonadal development of female Nile tilapia (

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