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1

Elements Which Delimitate Technical Efficiency of Fish Farms in Ghana

Edward E. Onumah, Bernhard Brümmer, Gabriele Hörstgen-Schwark

Journal:

Journal of the World Aquaculture Society

Year:

2010

Language:

english

File:

PDF, 512 KB

english, 2010

2

Production of homozygous diploid zebra fish (Brachydanio rerio)

Gabriele Hörstgen-Schwark

Journal:

Year:

1993

Language:

english

File:

PDF, 1.31 MB

english, 1993

3

Species crosses in African catfish Clarias gariepinus X Heterobranchus longifilis

Bodo Tober, Gabriele Horstgen-Schwark, Hans-Jurgen Langholz

Journal:

Year:

1995

Language:

english

File:

PDF, 72 KB

english, 1995

4

Selection experiments to increase the proportion of males in Nile tilapia (Oreochromis niloticus) by means of temperature treatment

Stephan Wessels, Gabriele Hörstgen-Schwark

Journal:

Year:

2007

Language:

english

File:

PDF, 532 KB

english, 2007

5

Influence of social factors on the nocturnal activity pattern of the noble crayfish, Astacus astacus (Crustacea, Decapoda) in recirculating aquaculture systems

Franke, Robert, Hörstgen-Schwark, Gabriele

Journal:

Aquaculture Research

Year:

2014

Language:

english

File:

PDF, 327 KB

english, 2014

6

First Evidence for Family-Specific QTL for Temperature-Dependent Sex Reversal in Nile Tilapia (Oreochromis niloticus)

Lühmann, L.M., Knorr, C., Hörstgen-Schwark, G., Wessels, S.

Journal:

Sexual Development

Year:

2012

Language:

english

File:

PDF, 468 KB

english, 2012

7

Seasonality of the reproductive cycle of female Heterobranchus longifilis in tropical pond culture

Freund, Franziska, Hörstgen-Schwark, Gabriele, Holtz, Wolfgang

Journal:

Aquatic Living Resources

Year:

1995

File:

PDF, 539 KB

1995

8

A fixed allele at microsatellite locus LS-39 exhibiting species-specificity for the black caviar producer Acipenser stellatus

I. Jenneckens, J.-N. Meyer, G. Hörstgen-Schwark, B. May, L. Debus, H. Wedekind, A. Ludwig

Journal:

Journal of Applied Ichthyology

Year:

2001

Language:

english

File:

PDF, 226 KB

english, 2001

9

Genetic interpretation and analysis of diallel crosses with animals

E. J. Eisen, G. Hörstgen-Schwark, A. M. Saxton, T. R. Bandy

Journal:

Theoretical and Applied Genetics

Year:

1983

Language:

english

File:

PDF, 565 KB

english, 1983

10

Initiation of tetraploid breeding line development in rainbow trout, Oncorhynchus mykiss (Walbaum)

G. HÖRSTGEN-SCHWARK

Journal:

Aquaculture Research

Year:

1993

Language:

english

File:

PDF, 3.87 MB

english, 1993

11

A YY-male Oreochromis niloticus strain developed from an exceptional mitotic gynogenetic male and growth performance testing of genetically all-male progenies

Andreas Müller-Belecke, Gabriele Hörstgen-Schwark

Journal:

Aquaculture Research

Year:

2007

Language:

english

File:

PDF, 73 KB

english, 2007

12

Reproductive performance of female rainbow trout Oncorhynchus mykiss (Walbaum) kept under water temperatures and photoperiods of 13° and 51°N latitude

Prasan Pornsoping, Gomut Unsrisong, Therdchai Vearasilp, Stephan Wessels, Gabriele Hörstgen-Schwark

Journal:

Aquaculture Research

Year:

2007

Language:

english

File:

PDF, 145 KB

english, 2007

13

Control of spawning activity in female Nile tilapia (Oreochromis niloticus) (L.) by temperature manipulation

Boris Adrien De Lapeyre, Andreas Müller-Belecke, Gabriele Hörstgen-Schwark

Journal:

Aquaculture Research

Year:

2009

Language:

english

File:

PDF, 189 KB

english, 2009

14

Increased spawning activity of female Nile tilapia (Oreochromis niloticus) (L.) after stocking density and photoperiod manipulation

Boris Adrien De Lapeyre, Andreas Muller-Belecke, Gabriele Horstgen-Schwark

Journal:

Aquaculture Research

Year:

2010

Language:

english

File:

PDF, 176 KB

english, 2010

15

Flesh qualities and muscle fiber characteristics in triploid and diploid rainbow trout

K. Poontawee, C. Werner, A. Müller-Belecke, G. Hörstgen-Schwark, M. Wicke

Journal:

Journal of Applied Ichthyology

Year:

2007

Language:

english

File:

PDF, 511 KB

english, 2007

16

Enhancement of survival and growth in crowded groups: the road towards an intensive production of the noble crayfish Astacus astacus L. in indoor recirculation systems

Robert Franke, Stephan Wessels, Gabriele Hörstgen-Schwark

Journal:

Aquaculture Research

Year:

2012

Language:

english

File:

PDF, 358 KB

english, 2012

17

Diallel cross among lines of mice selected for litter size and body weight: Body composition traits

E. J. Eisen, G. Hörstgen-Schwark, T. R. Bandy, A. M. Saxton

Journal:

Journal of Animal Breeding and Genetics

Year:

1985

Language:

english

File:

PDF, 747 KB

english, 1985

18

Diallel cross among lines of mice selected for litter size and body weight: Growth traits

G. Hörstgen-Schwark, E.J. Eisen, A. M. Saxton, T. R. Bandy

Journal:

Journal of Animal Breeding and Genetics

Year:

1984

Language:

english

File:

PDF, 993 KB

english, 1984

19

Wasserbindungsvermögen im Forellenmuskel

J.-N. Meyer, G. Hörstgen-Schwark, B. C. Kim, H. Fricke

Journal:

Journal of Animal Breeding and Genetics

Year:

1984

Language:

german

File:

PDF, 320 KB

german, 1984

20

Selection experiments for improving “pan-size” body weight of rainbow trout (Oncorhynchus mykiss)

Gabriele Hörstgen-Schwark

Journal:

Year:

1993

Language:

english

File:

PDF, 915 KB

english, 1993

21

Testing of triploid tilapia (Oreochromis niloticus) under tropical pond conditions

Uwe Brämick, Birgit Puckhaber, Hans-Jürgen Langholz, Gabriele Hörstgen-Schwark

Journal:

Year:

1995

Language:

english

File:

PDF, 791 KB

english, 1995

22

Sex determination in tilapia (Oreochromis niloticus) sex ratios in homozygous gynogenetic progeny and their offspring

Andreas Müller-Belecke, Gabriele Hörstgen-Schwark

Journal:

Year:

1995

Language:

english

File:

PDF, 915 KB

english, 1995

23

Sex determination in Oreochromis niloticus sex ratios in homozygous gynogenetic progeny

Andreas Muller-Belecke, Gabriele Horstgen-Schwark

Journal:

Year:

1995

Language:

english

File:

PDF, 67 KB

english, 1995

24

Effect of rearing temperatures on the sex ratios of Oreochromis niloticus populations

Misikire Tessema, Andreas Müller-Belecke, Gabriele Hörstgen-Schwark

Journal:

Year:

2006

Language:

english

File:

PDF, 137 KB

english, 2006

25

Interaction of genotype with production system for reproductive performance in rainbow trout

G. Hörstgen-Schwark, P. Pornsoping, G. Unsrisong, T. Vearasilp

Journal:

Year:

2007

Language:

english

File:

PDF, 67 KB

english, 2007

26

Effect of rearing temperatures post hatching on sex ratios of rainbow trout (Oncorhynchus mykiss) populations

Andreas Magerhans, Andreas Müller-Belecke, Gabriele Hörstgen-Schwark

Journal:

Year:

2009

Language:

english

File:

PDF, 192 KB

english, 2009

27

Selection experiments to alter the sex ratio in rainbow trout (Oncorhynchus mykiss) by means of temperature treatment

Andreas Magerhans, Gabriele Hörstgen-Schwark

Journal:

Year:

2010

Language:

english

File:

PDF, 177 KB

english, 2010

28

Effect of early temperature treatments on sex differentiation in Nile tilapia, Oreochromis niloticus lines selected for high and low thermo-sensitivity

Stephan Wessels, Sarah Samavati, Gabriele Hörstgen-Schwark

Journal:

Year:

2011

Language:

english

File:

PDF, 160 KB

english, 2011

29

Temperature dependent sex ratios in selected lines and crosses with a YY-male in Nile tilapia (Oreochromis niloticus)

Stephan Wessels, Gabriele Hörstgen-Schwark

Journal:

Year:

2011

Language:

english

File:

PDF, 256 KB

english, 2011

30

Environmental influence on quantitative traits of naturally isogenic lines of ginbuna (Carassius langsdorfii)

Andreas Müller-Belecke, Kenichi Ohara, Worawut Koedprang, Gabriele Hörstgen-Schwark, Nobuhiko Taniguchi

Journal:

Year:

2002

Language:

english

File:

PDF, 174 KB

english, 2002

31

Prospects of selecting for late maturity in tilapia (Oreochromis niloticus): III. A selection experiment under laboratory conditions

Gabriele Hörstgen-Schwark, H.-J Langholz

Journal:

Year:

1998

Language:

english

File:

PDF, 121 KB

english, 1998

32

Proof of the successful development of Nile tilapia (Oreochromis niloticus) clones by DNA fingerprinting

Ingo Jenneckens, Andreas Müller-Belecke, Gabriele Hörstgen-Schwark, Johann-Nikolaus Meyer

Journal:

Year:

1999

Language:

english

File:

PDF, 716 KB

english, 1999

33

Performance testing of clonal Oreochromis niloticus lines

Andreas Müller-Belecke, Gabriele Hörstgen-Schwark

Journal:

Year:

2000

Language:

english

File:

PDF, 72 KB

english, 2000

34

Prospects of selecting for late maturity in tilapia (Oreochromis niloticus): I. Family studies under laboratory conditions

U. Kronert, G. Hörstgen-Schwark, H.-J. Langholz

Journal:

Year:

1989

Language:

english

File:

PDF, 556 KB

english, 1989

35

Comparison of different European rainbow trout populations under intensive production conditions

Sabina Morkramer, Gabriele Hörstgen-Schwark, H.J. Langholz

Journal:

Year:

1985

Language:

english

File:

PDF, 2.00 MB

english, 1985

36

The effect of strain crossing on the production performance in rainbow trout

Gabriele Hörstgen-Schwark, H. Fricke, H.-J. Langholz

Journal:

Year:

1986

Language:

english

File:

PDF, 840 KB

english, 1986

37

Gene transfer in tilapia (Oreochromis niloticus)

G. Brem, B. Brenig, G. Hörstgen-Schwark, E.-L. Winnacker

Journal:

Year:

1988

Language:

english

File:

PDF, 756 KB

english, 1988

38

Prospects of selecting for late maturity in tilapia (Oreochromis niloticus): II. Strain comparisons under laboratory and field conditions

W. Oldorf, U. Kronert, J. Balarin, R. Haller, G. Hörstgen-Schwark, H.-J. Langholz

Journal:

Year:

1989

Language:

english

File:

PDF, 699 KB

english, 1989

39

Investigations on sex ratio in Oreochromis niloticus

H. Wedekind, G. Hörstgen-Schwark, H.-J. Langholz

Journal:

Year:

1990

Language:

english

File:

PDF, 146 KB

english, 1990

40

Family studies on genetic variability in growth and reproductive performance between and within test fish populations of the zebrafish, Brachydanio rerio

Ute Von Hertell, Gabriele Hörstgen-Schwark, H.-J. Langholz, B. Jung

Journal:

Year:

1990

Language:

english

File:

PDF, 545 KB

english, 1990

41

Elevated Temperature Applied during Gonadal Transformation Leads to Male Bias in Zebrafish (Danio rerio)

Abozaid, H., Wessels, S., Hörstgen-Schwark, G.

Journal:

Sexual Development

Year:

2012

Language:

english

File:

PDF, 411 KB

english, 2012

42

Effect of Rearing Temperatures during Embryonic Development on the Phenotypic Sex in Zebrafish (Danio rerio)

Abozaid, H., Wessels, S., Hörstgen-Schwark, G.

Journal:

Sexual Development

Year:

2011

Language:

english

File:

PDF, 164 KB

english, 2011

43

Establishment of a Model of Streptococcus iniae Meningoencephalitis in Nile Tilapia (Oreochromis niloticus)

Baums, C.G., Hermeyer, K., Leimbach, S., Adamek, M., Czerny, C.-P., Hörstgen-Schwark, G., Valentin-Weigand, P., Baumgärtner, W., Steinhagen, D.

Journal:

Journal of Comparative Pathology

Year:

2013

Language:

english

File:

PDF, 2.33 MB

english, 2013

44

Control of activity patterns in crowded groups of male noble crayfish Astacus astacus (Crustacea, Astacidea) by light regimes: A way to increase the efficiency of crayfish production?

Franke, Robert, Hörstgen-Schwark, Gabriele

Journal:

Year:

2015

Language:

english

File:

PDF, 828 KB

english, 2015

45

Estimating Body Composition in Mice by Near-Infrared Spectrophotometry

Eisen, E. J., Bandy, T. R., McClure, W. F., Hörstgen-Schwark, G.

Journal:

Journal of Animal Science

Year:

1984

Language:

english

File:

PDF, 640 KB

english, 1984

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