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משרד החקלאות ופיתוח הכפר I מדינת ישראל       
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הנהלה ספריה תלמידי מחקר יחידה עסקית דוברות מכוני מחקר אודות
שלח באימייל הדפס
 
שנאן הרפז, 'פרופ  :שם
חקר בעלי חייםעופות ומידגה :מחלקה/יחידה
03-9683388 :טלפון
050-6220388 :סלולרי
03-9605667 :פקס
  harpaz@volcani.agri.gov.il :דוא"ל
מחלקה למדגה :מיקום פיזי
תחומי עניין / תאור תפקיד
התנהגות תזונתית בדגים, חישה כימית והזנה של בעלי חיים אקוואטים (מים מתוקים ומי ים)

  
 

Recent Publications

  • Harpaz, S., M. Rise, S. (Malis) Arad and Gur, N. (1998). The effect of three carotenoid sources on growth and pigmentation of juvenile freshwater crayfish Cherax quadricarinatus. Aquaculture Nutrition 4:201-208.
  • Karplus, I., M. Zoran, A. Milstein, S. Harpaz, Y. Eran, D. Joseph, and Sagi, A . (1998). Culture of the Australian red-claw crayfish (Cherax quadricarinatus) in Israel. III: Survival in earthen ponds under ambient winter temperatures. Aquaculture 166:259-267.
  • Harpaz, S., D. Sklan, Karplus, I., A. Barki and Noy, Y. (1999). Evaluation of juvenile silver perch (Bidyanus bidyanus) nutritional needs using high and low protein diets at 2 feeding levels. Aquaculture Research 30:603-610.
  • Harpaz, S. and Uni, Z. (1999). Activity of intestinal mucosal brush border membrane enzymes in relation to the feeding habits of three aquaculture fish species. Comp. Biochem. Physiol. A. 124:155-160.
  • Barki, A., S. Harpaz, G. Hulata and Karplus, I. (2000). Effects of larger fish and size grading on growth and size variation in fingerling silver perch. Aquaculture International 8:391-401.
  • Harpaz, S., H. Jiang and Sklan, D. (2001). Evaluation of silver perch (Bidyanus bidyanus, Mitchell) nutritional requirements during grow-out with high and low protein diets at 2 feeding levels. Aquaculture Research 32: 57-64.
  • Dzikowski, R., G. Hulata, I. Karplus and Harpaz, S. (2001). Effect of temperature and dietary L-carnitine supplementation on reproductive performance of female guppy (Poecilia reticulata). Aquaculture 199:323-332.
  • Gelman, A., L. Glatman, V. Drabkin and Harpaz, S. (2001) Effect of storage temperature and preservative treatment on shelf life of the pond raised freshwater fish silver perch (Bidyanus bidyanus). J. Food Protection 64:1584-1591.
  • Karplus, I., S. Harpaz, G. Hulata, R. Segev and Barki, A. (2001). Incorporation of the Australian red-claw crayfish (Cherax quadricarinatus) into tilapia intensive production units. Israel J. of Aquaculture Bamidgeh. 53:23-33.
  • Harpaz, S., L. Glatman, V. Drabkin and Gelman, A. (2003). Effects of herbal essential oils used to extend the shelf life of freshwater reared Asian sea bass fish (Lates calcarifer). J. Food Protection 66: 410-417.
  • Santiago, C.B, A.C. Gonzal, M. Ricci and Harpaz, S. (2003). Response of bighead carp Aristichthys nobilis and Asian catfish Clarias macrocephalus larvae to free-living nematode Panagrellus redivivus as alternative feed. J. Appl. Ichthyol. 19:239-243.
  • Dzikowski, R., G. Hulata, S. Harpaz and Karplus, I. (2004). Inducible reproductive plasticity of the guppy Poecilia reticulata in response to predation cues. J. Exp. Zool. 301A: 776-782.
  • Gordon, N., M. Shpigel, S. Harpaz, J.J. Lee and Neori, A. (2004). The settlement of abalone (Haliotis discus hannai Ino) larvae on culture layers of different diatoms. J. Shellfish Res. 23(2): 561-568.
  • Harpaz, S., Y. Hakim, T. Slosman and Eroldogan, O. T. (2005). Effect of adding salt to the diet of Asian sea bass Lates calcarifer reared in fresh or salt water re-circulating tanks, on growth and brush-border enzyme activity. Aquaculture  248:315-324.
  • Harpaz, S., Y. Hakim, A. Barki, I. Karplus, T. Slosman and Eroldogan, O. T. (2005). Effects of different feeding levels during day and/or night on growth and brush-border enzyme activity in juvenile Lates calcarifer reared in freshwater re-circulating tanks. Aquaculture 248:325-335.
  • Harpaz, S., T. Slosman and Segev, R. (2005) Effect of feeding guppy fish fry (Poecilia reticulata) diets in the form of powder versus flakes. Aquaculture Research 36:996-1000.
  • Milstein, A., D. Joseph, Y. Peretz  and Harpaz, S. (2005) Evaluation of organic tilapia culture in periphyton-based ponds. Israel J. of Aquaculture Bamidgeh 57:143-155.
  • Harpaz, S. (2005) L-carnitine and its attributed functions in fish culture & nutrition - a review. Aquaculture 249:3-21.
  • Gordon, N., A.  Neori, M. Shpigel, J.J. Lee and Harpaz, S. (2006) Effect of diatom diets on growth and survival of the abalone Haliotis discus hannai postlarvae. Aquaculture 252: 225-233.
  • Harpaz, S. and Clark, L. (2006) Effects of addition of a bird repellent to fish diets on their growth and bioaccumulation. Aquaculture Research 37: 132-138.
  • Milstein, A.,  A.Valdenberg  and Harpaz, S. (2006) Fish larvae - zooplankton relationships in microcosm simulations of earthen nursery ponds. I. freshwater system. Aquaculture International  14:231-246.
  • Hakim, Y.,   Z. Uni, G. Hulata and Harpaz, S. (2006) Relationship between intestinal brush border enzymatic activity and growth rate in tilapias fed diets containing 30 or 48% protein. Aquaculture 257:420-428.
  • Milstein, A.,  A.Valdenberg  and Harpaz, S. (2006) Fish larvae - zooplankton relationships in microcosm simulations of earthen nursery ponds. II. brackish water system. Aquaculture International 14: 431-442.
  • Valdenberg, A., A.Milstein and Harpaz, S. (2006) Effects of timing of common carp larvae stocking on zooplankton succession in earthen nursery ponds: a microcosm simulation. J. World Aquaculture Society 37:378-387.
  • Tibaldi, E., Y. Hakim, Z. Uni, F. Tulli, M. de Francesco, U. Luzzana and Harpaz S. (2006) Effects of the partial substitution of dietary fish meal by differently processed soybean meals on growth performance, nutrient digestibility and activity of intestinal brush border enzymes in the European sea bass (Dicentrarchus labrax). Aquaculture 261:182-193.
  • Hakim, Y., S.J. Rowland, J. A. Guy, C. Mifsud, Z. Uni and Harpaz S. (2007) Effects of genetic strain and holding facility on the characteristics of alkaline phosphatase and brush border enzymes in silver perch (Bidyanus bidyanus). Aquaculture Research 38:361-372.
  • Harpaz, S. and Padowicz D. (2007) Color enhancement in the ornamental dwarf cichlid Microgeophagus ramirezi by addition of plant carotenoids to the fish diet. Israel J. of Aquaculture Bamidgeh 59:195-200.
  •  Milstein, A., Y. Peretz  and Harpaz, S.  (2008) Periphyton as food in organic tilapia culture: Comparison of periphyton growth on different substrates. Israel J. of Aquaculture Bamidgeh 60: 243-252.
  • Milstein, A., Y. Peretz  and Harpaz, S. (2009) Culture of organic tilapia to market size in periphyton-based ponds with reduced feed inputs Aquaculture Research 40:55-59.
  • Hakim, Y., S. Harpaz and Uni,  Z. (2009) Changes in expression of functional genes in the intestine of European Sea bass (Dicentrarchus labrax) following food deprivation. Aquaculture 290:110-115.
  • Cnaani, A., A.Barki, T. Slosman, A. Scharcanski, A. Milstein and Harpaz, S. (2010) Dietary salt supplement increases the growth rate in freshwater cultured tilapia hybrids. Aquaculture Research 41: 1545-1548.

                               Current Projects

  • Reduction of waste products in the intensive culture of fish through improving feeding efficiency.
  • Activity of intestinal mucosal brush border membrane enzymes in relation to the feeding of aquaculture fish species.
  • Development and nutrition of Barramundi aquaculture in southern Israel.
  • Effects of the addition of salt to the diets of fish on food utilization and growth.
  • The use of chemoattractants in order to enhance growth of fish and crustaceans.
  • Nutritional aspects of ornamental fish propagation in aqua-farms and development of new varieties and strains.

 

מעודכן בתאריך: 01/09/16 09:38
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