10 research outputs found
Different portion of thermally treated fodder pea in chickens fattening
BuduÄi da stoÄni graÅ”ak kao krupnozrna leguminoza sadrži nekoliko antinutritivnih tvari u malim koliÄinama, u sirovom stanju nije pogodan u veÄim koncentracijama kao komponenta za hranjenje peradi. Cilj istraživanja bio je usporediti 30 %, odnosno 60 % izobjelanÄevinaste zamjene sojine saÄme i toplinski obraÄenog stoÄnog graÅ”ka u kompletnim krmnim smjesama tovnih piliÄa.
ZavrÅ”na tjelesna masa piliÄa pokazuje da su piliÄi pokusnih skupina na kraju pokusa bili za 14,6 % u P I i 15,3 % u P II skupini bolji od piliÄa kontrolne skupine, a razlike su statistiÄki visoko opravdane (P<0,01). Drugi praÄeni pokazatelj, prosjeÄni dnevni prirast, tijekom pojedinih razdoblja tova potvrdio je takoÄer visoko znaÄajne (P<0,01) bolje priraste piliÄa pokusnih skupina I i II u odnosu na piliÄe kontrolne skupine.
Glede potroÅ”nje hrane i konverzije hrane, zabilježene su takoÄer znaÄajno bolje vrijednosti u piliÄa pokusnih skupina prema piliÄima kontrolne skupine. Tako je dnevna konzumacija hrane bila veÄa u prvom razdoblju tova od 25,5 % u pokusnoj I do 8,9 %, u pokusnoj II skupini, uz bolju konverziju hrane u istim pokusnim skupinama, za 6,7 %, odnosno 5,3 %.
KakvoÄa pileÄih trupova dobivenih rasijecanjem, pokazala je veÄe vrijednosti relativnog udjela prsa i abdominalne masti u piliÄa pokusne II skupine, statistiÄki visoko znaÄajne (P<0,01) prema kontrolnoj skupini, a statistiÄki znaÄajne (P<0,05) manje vrijednosti za parametre batak i nadbatak, te krila.
Analizom kemijskog sastava crvenog mesa piliÄa, potvrÄena je bolja nutritivna vrijednost mesa u pokusnoj II skupini, s tim da utvrÄene pozitivne razlike pokusne skupine nisu bile statistiÄki znaÄajne (P>0,05).Concerning the fact that fodder pea as a legume seed contains several antinutritive substances (in small amounts), it is not favourable in high concentrations as a component part of feeding fowls in a raw form. The aim of our research was to compare 30 %, and 60 % of isoprotein substitute of soybean meal and thermally treated fodder pea in the complete mixtures for fattening chickens.
The final body mass of chickens shows that the chickens in the experimental group, at the end of the experiment, were 14.6 % in P I and 15.3 % in P II better than the chickens in the control group and the differences were statistically highly justified (P<0,01). The second indicator that we watched, the average daily gain, showed over certain fattening periods significantly better increase in the chickens of the experimental group I and II comparing to the chickens in the control group (P<0,01).
Looking at the consumption and the conversion of feed, we also noticed better values in chickens in the experimental group than those in the control group. Therefore, the daily consumption of feed was higher in the first fattening period from 25.5 % in the experimental group I to 8.9 % in the experimental group II with better feed conversion in the same experimental groups by 6.7 % and 5.3 % respectively.
The quality of chicken carcass, showed higher values of relative breast share and the abdominal fat in chickens in the experimental group II. They were statistically highly significant (P<0,01) in comparison to the control group with lower values to the thigh, drumstick and wing parametres (P<0,05).
Dark meat chemical analysis confirmed better nutritive value of meat in the experimental group II, with the fact that the observed positive differences of the experimental group were not statistically significant (P>0,05)
EFFICIENCY OF LINOLEIC ACID FROM PELETED FEED ON QUANTITATIVE AND QUALITATIVE COMPOSITION OF MUSCULE FAT OF INTENSIVELY REARED TENCH (TINCA TINCA L.)
THE POSSIBILITY OF INCREASING THE CONTENT OF POLYUNSATURATED FATTY ACIDS IN BROILER MEAT BY FEEDING
BROILER GROWTH STIMULATION BY ADDITION OF POLIZYMESĀ® IN THE MIXTURES FOR FATTENING
PolizymĀ® preparati pospjeÅ”uju probavu i razgradnju kompleksnijih molekula hrane na jednostavnije i time utjeÄu i na efikasniju pretvorbu hranjivih tvari u tjelesna tkiva. lstraživan je utjecaj dodavanja enzimatskih preparata pod trgovaÄkim naizivima PolizymĀ®, PolizymĀ®-G i PolizymĀ®-BX na proizvodnju mesa tovnih piliÄa. BioloÅ”ka uÄinkovitost dodanih enzima oÄitovana je povoljnijim tovnim i klaoniÄkim znaÄajkama (živa masa, konvezija, klaoniÄka masa) pokusnih u odnosu na kontrolnu skupinu piliÄa. Ekonomskom analizom potvrÄena je opravdanost dodavanja PolizymaĀ®, PolizymaĀ®- G i PolizymaĀ®-BX u smjese za tovne piliÄe.PolizymĀ® preparations improve digestion and decomposition of complex molecules of food to simpler ones thus affecting more efficient transformation of nutritive matters in body tissues. lmpact of the addition of enzymatic preparations under market names: PolizymĀ®, PolizymĀ®-G and PolizymĀ®-BX on the meat production of fattened chickens has been examined. Biological efficiency of added enzymes is shown by better fattening and slaughtering characteristics (live weight, conversion, slaughtering weight) of experimental groups compared to the control group of chicken. Justification of adding PolizymĀ®, Polizym-Ā®G and PolizymĀ®-BX in to chicken mixture was confirmed by economic analysis