Journals / Kocatepe Veteriner Dergisi / 2018 / Cilt: 11 - Sayı: 3

Effect of Immunocastration Vaccine Administration At Different Doses on Performance of Feedlot Holstein Bulls

Farklı Dozlarda İmmunokostrasyon Aşı Uygulamasının Entansif Koşullarda Yetiştirilen Holstein Erkek Danalarının Besi Performansı Üzerine Etkisi

Pages
301–308
Publication Date
2018-09-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

As a result, it was decreased the fattening performance that administration of Bopriva® at different doses as a GnRH vaccine in Holstein male bulls; whereas it was determined that numerically increase in average daily live weight gain was found in the Trial-2 group than the other groups to which the immunocastration vaccine was applied.

📌 3 Key Takeaways

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Objective & Hypothesis:The aim of the study is to determine the effect of immunocastration vaccine administration at different doses on fattening performance of feedlot Holstein bulls.
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Key Findings & Data:In this research, 94 Holstein male calves assigned to the 4 treatments.
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Conclusion & Impact:As a result, it was decreased the fattening performance that administration of Bopriva® at different doses as a GnRH vaccine in Holstein male bulls; whereas it was determined that numerically increase in average daily live weight gain was found in the Trial-2 group than the other groups to which the immunocastration vaccine was applied.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:GnRH · besi · immunokastrasyon

Abstract

The aim of the study is to determine the effect of immunocastration vaccine administration at different doses on fattening performance of feedlot Holstein bulls. In this research, 94 Holstein male calves assigned to the 4 treatments. Control group; 1 mL of 0.9% saline solution was subcutaneously injected to intact bulls on 1st and 60th days of the feedlot as placebo. On the same days of the feedlot, Immunocastration vaccine (Bopriva®) at two doses of 1 mL and 1 mL for Trial-1 group, 1.5 mL and 1.5 mL for Trial-2 group, 1.5 mL and 1 mL for Trial-3 group were subcutaneously injected to bulls. The feedlot lasted 180 days. Immunocastration vaccine administration at different doses did not affect the live weights (LWs) and cold carcass yields of feedlot Holstein bulls (P>0.05). However, it reduced fattening performance between 61-120 days (P<0.05) and 1-180 days (P<0.01). As a result, it was decreased the fattening performance that administration of Bopriva® at different doses as a GnRH vaccine in Holstein male bulls; whereas it was determined that numerically increase in average daily live weight gain was found in the Trial-2 group than the other groups to which the immunocastration vaccine was applied.

Özet

Bu çalışmanın amacı, farklı dozlarda GnRH aşısının Holştayn erkek buzağılarında besi performansı ve karkas randımanı üzerine etkisinin belirlenmesidir. Araştırmada, 94 baş Holştayn ırkı erkek buzağı kullanılmış ve rastgele 4 gruba ayrılmıştır. Besinin 1. ve 60. gününde kontrol grubuna plasebo olarak 1 mL %0.9'luk tuzlu su çözeltisi derialtı yolla enjeksiyon yöntemi ile uygulanmıştır. Besinin aynı günlerinde, Deneme-1 grubundaki buzağılara 1 mL ve 1 mL, Deneme-2 grubundaki buzağılara 1.5 mL ve 1.5 mL ve Deneme-3 grubundaki buzağılara ise 1.5 mL and 1 mL olmak üzere iki doz immunokastrasyon aşısı (Bopriva®) derialtı yolla enjeksiyon yöntemi ile uygulanmıştır. Besi 180 gün sürüştür. Farklı dozlarda immunokastrasyon aşısı uygulamasının entansif koşullarda yetiştirilen Holştayn erkek danalarında, canlı ağırlık ve karkas randımanı üzerine etkisinin olmadığı belirlenmiştir (P>0.05). Buna karşın immunokastrasyon aşısı uygulamasının besinin 61-120 (P<0.05) ile 1-180. gün (P<0.01) arası dönemde besi performansını azalttığı belirlenmiştir. Sonuç olarak, Holştayn erkek danalarında GnRH aşısı olarak Bopriva®’nın farklı dozlarda uygulamasının; besi performansını düşürdüğü buna karşın immunokastrasyon aşısı uygulanan gruplar içinde rakamsal olarak en yüksek canlı ağırlık artışının Deneme-2 grubunda olduğu tespit edilmiştir.

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Cite This Article

ÖZTÜRK, Y., BOLACALI, M. (2018). Effect of Immunocastration Vaccine Administration At Different Doses on Performance of Feedlot Holstein Bulls. Kocatepe Veteriner Dergisi, Cilt: 11 - Sayı: 3, 301–308. https://ajindex.com/articles/124690

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