埃塞俄比亚南部Hadiya地区荷斯坦弗里西亚杂交奶牛生产性能研究

Kesim Halango, Abegaze Beyene, Ahmad Said
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引用次数: 1

摘要

本试验旨在评估埃塞俄比亚南部哈迪亚地区沙舒戈和安莱莫奶牛的生产性能及其影响因素。采用有目的抽样方法,选择地区和乡镇。随机抽取196名调查对象,采用半结构式和结构式问卷进行访谈,了解农户管理做法、杂交奶牛生产性能等情况。采用SAS 9.2通用模型对数据进行分析。采用卡方检验评估分类变量间的统计学显著性。使用Pro LSD检验来确定地区和季节平均值之间的显著差异。育成和安乐莫杂交奶牛平均户均畜群规模分别为4.74 ±0.114 TLU和3.63 ±0.115 TLU。饲料资源主要为天然牧草、作物残茬、作物后茬、精料饲料、改良饲料和非常规饲料,实行零放养/圈养、半放养和自由放养制度。研究区主要水源为河流、水井、池塘和自来水。奶牛日产奶量、泌乳时长和泌乳产奶量的总体平均值±SE分别为7.61 ±0.19 l、8.99 ±0.14个月和2057.16 l。在研究期间,主要制约因素是饲料短缺、疾病、管理不善、缺乏服务等,季节性波动是阻碍研究地区奶牛生产和繁殖性能的主要因素。目前研究的生产性能普遍较低。因此,应建立可持续推广服务,以改善研究区饲料资源和管理实践。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Production Performances of Holstein Friesian Crossbred Dairy Cows in Hadiya Zone, (Southern Ethiopia)
This study was conducted to assess productive performances of crossbred (Holstein-Friesian) dairy cows and factors affecting their performances in Shashogo and Anlemo distinct of Hadiya Zone, Southern Ethiopia. Purposive sampling techniques were used to select district and kebeles. A total of 196 respondents were randomly selected and interviewed with semi-structured and structured questionnaire to obtain information on the management practices of farmers, productive performances of crossbred dairy cows. The data were analyzed using the general model of SAS version 9.2. Chi-square test was carried out to assess the statistical significance among categorical variables. Pro LSD test was used to identify a significant difference between districts and seasons mean. Mean herd size of crossbred (HF) dairy cows for Shashogo and Anlemo per households was 4.74 ± 0.114 TLU and 3.63 ± 0.115 TLU, respectively. The major feed resources were natural pasture, crop residues, and crop-after math, concentrate feeds, improved forages and non-conventional feeds, whereas zero-grazing/stall feeding, semi-grazing and free grazing system practiced in both districts. The major sources of water in the study area were river, wells, ponds and tap water. The overall means ± SE of milk yield per day/cow, lactation length and lactation milk yield was 7.61 ± 0.19 liters, 8.99 ± 0.14 months and 2057.16 litres, respectively. In the study period the main constraints were Shortage of feeds, diseases, poor management practices, Lack of services, like Seasonal fluctuation are the main factors hindering dairy productive and reproductive performances in the study areas. Generally, productive performances obtained in current study were low. Therefore, the Sustainable extension service should be established to improve feed resources and management practices in the study area.
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