Indukcija prasenja primjenom sintetskih analoga prostaglandina F2a

master's thesis

• Title (english): Inducing farrowing using synthetic analogues of prostaglandin F2a
• Author: Sara Mišan
• Mentor: Krešimir Salajpal (mentor)
• Committee member: Krešimir Salajpal (predsjednik povjerenstva)
• Committee member: Zoran Luković (član povjerenstva)
• Committee member: Antun Kostelić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Agriculture; (Animal Science); Zagreb
• Defense date and country: 2017-07-21, Croatia
• Scientific / art field, discipline and subdiscipline: BIOTECHNICAL SCIENCES; Agronomy

Abstract

Indukcija prasenja kao tehnološki zahvat na velikim svinjogojskim farmama koje prakticiraju tjedni ritam ima za cilj skratiti prasenja na 2-3 dana u tjednu. Indukcija se provodi najčešće primjenom prostaglandina ili njihovih sintetskih analoga i to primjenom intramuskularno (i.m) ili u novije vrijeme paravulvalno (p.v.).
Cilj rada je utvrditi mogućnost upotrebe sintestskih analoga prostaglandina F2α za indukciju prasenja kod krmača i nazimica Danbred linija kod različitih načina aplikacije i doza (i.m. u područje vrata 75 mikrograma i p.v. 37,5 mikrograma) te analizirati utjecaj indukcije na pojavu ukupno rođene prasadi, mrtvorođene kao i avitalne prasadi.
Istraživanje je provedeno na farmi koja se bavi proizvodnjom prasadi veličine 1100 krmača koristeći Danbred uzgojni program. Za indukciju prasenja korišten je preparat PGF2 Vexy forte (cloprostenol) primjenom i.m ili p.v. dan prije očekivanog prasenja (115. dan).
Rezultati su pokazali da nije bilo značajnog utjecaja indukcija prasenja kao niti različitog načina primjene cloprostenola na svojstva veličine legla - broj živooprasenih, mrtvooprasenih kao i broj avitalne prasadi. Iz navedenog se može zaključiti da različiti načini aplikacije cloprostenola nemaju negativnog utjecaja na broj mrtvooprasene i avitalne prasadi. Paravulvalnom aplikacijom cloprostenola postiže se jednaki učinak kao i kod intramuskularne primjene dvostruko većih doza.

Abstract (english)

Farrowing induction as a technological intervention on large pig farms that practice weekly rhythm aims to reduce farrowing on 2-3 days a week. Induction is most commonly performed using prostaglandins or their synthetic analogues administered intramuscularly (i.m) or more recently paravulval (p.v.).
The aim of this study was to evaluate the possibility of using synthetic analogues of prostaglandin F2α for induction of farrowing of sows and gilts of Danbred lines in various forms of administration and dose (i.m., in the area of 75 micrograms and p.v. 37.5 micrograms) and to analyse the influence of induction on the apperance on total born piglets, as well as avital piglets.
The research was conducted on farm with 1100 sows that produce piglets based on the Danbred breeding program. To farrowing induction was used PGF2 Vexy forte (cloprostenol) by i.m or p.v. administration on the day before the expected farrowing (day 115).
The results showed that there was not significant influence of farrowing induction by cloprostenol as well as different ways of administration to the litter size – number of liveborn, dead and avital piglets. The results suggest that different way of cloprostenol administration do not have a negative effect on the number of dead and avital piglets. Paravulval administration of cloprostenol achivest the same effect as intramuscular administration of twice as large doses.

• Keywords: indukcija; prasenje; krmače; kloprostenol; prasad
• Keywords (english): induction; farrowing; sows; cloprostenol; piglets
• Language: croatian
• URN:NBN: urn:nbn:hr:204:827629
• Study programme: Title: Animal Genetics and Breeding; Study programme type: university; Study level: graduate; Academic / professional title: magistar/ magistra inženjer/inženjerka genetike i oplemenjivanja životinja (magistar/ magistra inženjer/inženjerka genetike i oplemenjivanja životinja)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2017-09-13 12:47:21