The effects of physical forms of corn and forage source on growth performance, blood parameters and ruminal fermentation of Holstein calves

IF 0.7 4区农林科学 Q3 VETERINARY SCIENCES

Ankara Universitesi Veteriner Fakultesi Dergisi Pub Date : 2022-05-17 DOI:10.33988/auvfd.1025207

Safura Jabbari, J. Seifdavati, G. Ghorbani, Hosein Abdi-Benemar, R. Seyed Sharifi, Sayyad Seifzadeh

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Abstract

This investigation's purpose was the evaluation of the effects of physical forms of corn and forage sources on growth performance, blood parameters, and ruminal fermentation of Holstein calves. Forty-eight Holstein calves (38.2 ± 1.2 kg of BW) were used in a completely randomized design with 4 treatments and 12 replications for 65 days. The treatments were: 1) Basal diet + mashed form corn + wheat straw (MCWS), 2) Basal diet + flacked form corn + wheat straw (FCWS), 3) Basal diet + mashed form corn+ Sugarcane bagasse (MCSB) and 4) Basal diet + flacked form corn + sugarcane bagasse (FCSB). Final body weight and daily weight gain were affected significantly by the forage (F) factor whereas no effect from C (corn physical forms) and C×F interaction were observed. Skeletal growth parameters were not affected by C, F, and F×C factors. The trial factors did not affect triglyceride and BHBA levels, while glucose level and urea were affected by C and F factors. At 30 and 60 days, Calves fed on FCWS had the highest glucose. Also, calves fed the FCSB diet presented higher urea at 30 and 60 days. Acetate acid was affected significantly by C, F, and C×F interaction (P

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玉米物理形态和饲料来源对荷斯坦犊牛生长性能、血液参数和瘤胃发酵的影响

本研究的目的是评价玉米和饲料来源的物理形态对荷斯坦犊牛生长性能、血液参数和瘤胃发酵的影响。选用48头体重为38.2±1.2 kg的荷斯坦犊牛，采用完全随机设计，4个处理，12个重复，试验期65 d。试验处理为:1)基础饲粮+玉米泥+麦秸(MCWS)， 2)基础饲粮+玉米泥+麦秸(FCWS)， 3)基础饲粮+玉米泥+甘蔗渣(MCSB)和4)基础饲粮+玉米泥+甘蔗渣(FCSB)。饲粮因子(F)对末重和日增重有显著影响，而玉米形态因子(C)和C×F交互作用对末重和日增重无显著影响。骨骼生长参数不受C、F和F×C因素的影响。试验因素不影响甘油三酯和BHBA水平，而葡萄糖和尿素水平受C和F因素的影响。在第30天和第60天，饲喂FCWS的犊牛血糖最高。饲喂FCSB的犊牛在第30和60天尿素含量较高。C、F和C×F相互作用对乙酸的影响显著(P

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来源期刊

Ankara Universitesi Veteriner Fakultesi Dergisi 农林科学-兽医学

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Ankara Üniversitesi Veteriner Fakültesi Dergisi is one of the journals’ of Ankara University, which is the first well-established university in the Republic of Turkey. Research articles, short communications, case reports, letter to editor and invited review articles are published on all aspects of veterinary medicine and animal science. The journal is published on a quarterly since 1954 and indexing in Science Citation Index-Expanded (SCI-Exp) since April 2007.