Szerző szerinti böngészés "Egri, Borisz"

Megjelenítve 1 - 3 (Összesen 3)
  • Nincs kép
    TételKorlátozottan hozzáférhető
    Comparative Examination of the Roundworm (Ascaris suum, Goeze, 1782) and Giant Thorny-Headed Worm (Macracanthorynchus hirudinaceus Pallas, 1781) Infestations of Free-Ranging (Living in Game-Preserve) and Free Living Wild Boar-Stocks in Midwest Hungary
    Farkas, Csaba; Fekete, Balázs; Egri, Borisz; PhD hallgató; egyetemi oktató, kutató
    We determined the level of roundworm (Ascaris suum, Goeze, 1782), and giant thorny head worm (Macracanthorynchus hirudinaceus Pallas, 1781) infestations of free ranging (living in game preserve) and free-living wild boars. Location of our investigations was an 11,893-hectare plot in Midwest Hungary, of which 248 hectares were treated closed as Wildlife Park (preserve). A total of 76 wild boars were shot during six hunting season from June 2015 to April 2020 and examined post mortem. Among of 33 free living and 43 free ranging wild boars the parasitological infestation rate was: 45.45% and 69.77%). As a result of identification, the incidence of 2 gastrointestinal species was established: Ascaris suum were found occur in 58.82% and Macracanthorhynchus hirudinaceus in 41.18% of wild boars. The 120 Ascaris suum (Goeze, 1782) were found occur in 30.0% (36) of free living, while 70.0% (84) in free ranging wild boar stocks. The 84 Macracanthorynchus hirudinaceus (Pallas, 1781) were found to occur in 3.57% (3) of free living, while 96.43% (81) in free ranging wild boar stocks.
  • Nincs kép
    TételSzabadon hozzáférhető
    The effect of feeding different glycerol sources on the performance of lactating sows
    (2018-12-28) Vida, Orsolya; Egri, Borisz; Tóth, Tamás
    Glycerol is a by-product of the biodiesel industry and it might be a good alternative to moderate the energy deficiency of sows during the lactation period. Preliminary experiments were carried out to test the effect of a powder, solid based “food grade” glycerol source with 72.9% glycerol content (Trial 1) and a liquid “feed grade” glycerol source with 86% glycerol content (Trial 2) on the performance of lactating sows and their litters. Trial 1 was conducted with 5 Hungarian Large White×Hungarian Landrace sows/treatment (313±24.9 kg) and Trial 2 with 12–12 DanAvl (323±17.0 kg) sows and their litters/treatment. Neither the solid, powder based glycerol (Trial 1), nor the liquid glycerol source (Trial 2) had significant effect on the feed intake, reduction in live weight and back-fat thickness, and weaning-tooestrus interval (p>0.05) of lactating sows. In Trial 2, on the 14th, 21st and 27th days of lactation the milk samples were collected and it was found that 50 kg/t glycerol decreased the protein content of milk samples (p<0.05). Glycerol supplementation had no effect on dry matter, fat, lactose content of milk samples (p>0.05). In Trial 2, no significant difference was found between control and experimental sow groups in triglyceride concentration of blood samples and in the activity of liver enzymes (ALT, AST, GGT; p>0.05), but the concentration of plasma glucose and cholesterol increased tendentiously (p<0.10). Based on our preliminary results, it can be concluded that additional dose trials are needed to perform in order to study the effect of glycerol supplement on milk production and on metabolic processes of lactating sows.
  • Nincs kép
    TételKorlátozottan hozzáférhető
    The effect of feeding different glycerol sources on the performance of lactating sows
    Vida, Orsolya; Egri, Borisz; Tóth, Tamás; PhD hallgató; egyetemi oktató, kutató
    Glycerol is a by-product of the biodiesel industry and it might be a good alternative to moderate the energy deficiency of sows during the lactation period. Preliminary experiments were carried out to test the effect of a powder, solid based "food grade" glycerol source with 72.9% glycerol content (Trial 1) and a liquid "feed grade" glycerol source with 86% glycerol content (Trial 2) on the performance of lactating sows and their litters. Trial 1 was conducted with 5 Hungarian Large WhitexHungarian Landrace sows/treatment (313±24.9 kg) and Trial 2 with 12-12 DanAvl (323±17.0 kg) sows and their litters/treatment. Neither the solid, powder based glycerol (Trial 1), nor the liquid glycerol source (Trial 2) had significant effect on the feed intake, reduction in live weight and back-fat thickness, and weaning-to-oestrus interval (p>0.05) of lactatingsows. In Trial 2, on the 14th, 21st and 27th days of lactation the milk samples were collected and it was found that 50kg/t glycerol decreased the protein content of milk samples (p<0.05). Glycerol supplementation had no effect on dry matter, fat, lactose content of milk samples (p>0.05). In Trial 2, no significant difference was found between control and experimental sow groups in triglyceride concentration of blood samples and in the activity of liver enzymes (ALT,AST,GGT; p>0.05), but the concentration of plasma glucose and cholesterol increased tendentiously (p<0.10). Based on our preliminary results, it can be concluded that additional dose trials are needed to perform in order to study the effect of glycerol supplement on milk production and on metabolic processes of lactating sows.