THE EFFECT OF BLACK SEED OIL (NIGELLA SATIVA) ON THE IMMUNE RESPONSE OF BROILERS

Abstract

Dugogodišnje korištenja antibiotika u intenzivnoj peradarskoj proizvodnji, bilo kao stimulatora rasta ili u prevenciji oboljenja, rezultiralo je odlaganjem rezidua u jajima i mesu peradi, te pojavi bakterija specifično rezistentnih na antibiotike. Iz navedenih razloga širom svijetu je uočljiv trend zabrane upotrebe pojedinih antibiotika u nutritivne ili profilaktičke svrhe, uz istovremeno traženje alternativnih i neškodljivih sredstava za zamjenu. Sjeme, odnosno ulje iz sjemena uzgojene crnjike (Nigella sativa seed oil) koristi se kao prirodni lijek preko 2000 godina. Ova jednogodišnja biljka pripada familiji Ranunculacea, a uspijeva na području Mediterana te Južne i Centralne Azije. Danas se uzgaja i u Istočnoj Europi. Rezultati jednog broja istraživanja sugeriraju da hladno cijeđeno ulje uzgojene crnjike ima antibakterijsko, antivirusno, antioksidativno, imunopotentno i hepatoprotektivno svojstvo. Prisutnost velikog broja esencijalnih nutrijenata i raznovrsnost farmakoloških aktivnih supstancija čine ga potencijalno interesantnim za korištenje u obrocima za perad. U našim preliminarnim istraživanjima ispitivan je učinak dodataka ulja uzgojene crnjike na imuni odziv pilića. Ukupno 40 pilića provenijence Cobb 500, podijeljeno je u dvije skupine (pokusna i kontrolna). Obje skupine pilića su vakcinirane prema utvrđenom programu imunoprofilakse, a pilići iz pokusne skupine tretirani su peroralno (0,025gr/po piletu) uljem crnjike svakodnevno tijekom tova. Kontrola postvakcinalnog imuniteta protiv njukaslske i gamborske bolesti testirana je kod pilića u dobi od 25, 32 i 39 dana.Antibiotics have been used for many years in intensive poultry production as growth promoters, and in disease prevention, but the results are residues in eggs and poultry meat and bacteria resistant to specific antibiotics. Therefore, certain antibiotics are prohibited at the same time searching for substitute antibiotics. Black seed oil has been used as natural drug over 2000 years. Nigella sativa belongs to the Ranunculacea family, it is an annual plant cultivated in the Mediterranean area, South and Central Asia, but also in East Europe. Studies indicate that black seed oil has antibacterial, antiviral, antioxidative, immune-potent and hepato-protective activities. Black seed oil contains a big range of essential nutrities and diversity of pharmacological active substances, so it is suitable as an additive in poultry diet. In our experimental research, the effect of black seed oil on the immune response of broilers was investigated. Total number of broilers was 40 (Cobb 500), divided into groups (experimental and control group). Both groups of broilers were vaccinated according to the agreed programme of immunization. Broilers from the experimental group were treated with black seed oil (0.025g/chick/day) during the fattening period. Control of post-vaccination immunity against Newcastle and Gumboro disease was carried out at 25, 32 and 39 day of chickens age

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