加拿大奶牛场初割苜蓿和青草青贮管理方法的特点

IF 1.2 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Canadian Journal of Animal Science Pub Date : 2024-07-18 DOI:10.1139/cjas-2024-0010

C. Plett, Nancy L. McLean, Carole Lafreniere, Shabtai Bittman, Kim Ominski, J.C. Plaizier

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引用次数: 0

摘要

对加拿大四个地区（不列颠哥伦比亚省（BC，n=21）、大草原省（PRA，n=32）、加拿大中部省（CEN，n=218）和加拿大大西洋省（ATL，n=17）的奶牛场初割紫花苜蓿（ALF）、苜蓿草（AFG）和青贮草（GRS）的生产实践进行了调查。结果以各地区回答的百分比表示；各地区的牧草类型、青贮窖类型、枯萎方法和接种剂使用情况各不相同。在 CEN（93.0%）、ATL（88.2%）和 PRA（68.8%），AFG 最常见。在 BC，GRS 最常见（66.7%）。只有 PRA（28.1%）和 CEN（5.6%）报告了 ALF。不列颠哥伦比亚省的受访者只报告了油舱（52.4%）和捆包（28.6%）。料仓在 PRA 最常见（31.3%），其次是捆包（28.1%）、堆垛（18.8%）和塔式筒仓（6.3%）。在 CEN，塔筒仓最常见（37.2%），其次是料仓（33.9%）、捆包（22.0%）和堆垛（1.8%）。在 ATL，最常见的是料仓（29.4%）和捆包（29.4%），其次是塔式筒仓（17.7%）和堆垛（11.8%）。晾晒大多在风车中进行：BC (55.0%)、PRA (45.0%)、CEN (77.1%) 和 ATL (71.0%)。在不列颠哥伦比亚和亚特兰大，分别有 45% 和 17.7% 的受访者使用驯化机加强枯萎。在 BC、CEN、ATL 和 PRA，分别有 55%、58.3%、64.7% 和 44.8%的受访者使用接种剂。

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Characterization of First Cut Alfalfa and Grass Silage Management Practices on Canadian Dairy Farms

Production practices for first cut alfalfa (ALF), alfalfa-grass (AFG) and grass silages (GRS) were surveyed on dairy farms in four Canadian regions, i.e. British Columbia (BC, n=21), Prairies (PRA, n=32), Central Canada (CEN, n=218), and Atlantic Canada (ATL, n=17). Results are presented as percentages of responses by region; forage type, silo type, wilting method and inoculant use varied among regions. In CEN (93.0%), ATL (88.2%), and PRA (68.8%) AFG was most common. In BC, GRS was most common (66.7%). ALF was only reported in the PRA (28.1%) and CEN (5.6%). Respondents from BC only reported bunkers (52.4%) and baleage (28.6%). Bunkers were most common in PRA (31.3%), followed by baleage (28.1%), piles (18.8%) and tower silos (6.3%). In CEN tower silos were most common (37.2%), followed by bunkers (33.9%), baleage (22.0%), and piles (1.8%). In ATL bunkers (29.4%) and baleage (29.4%) were most common, followed by tower silos (17.7%), and piles (11.8%). Wilting was mostly done in windrows: BC (55.0%), PRA (45.0%), CEN (77.1%), and ATL (71.0%). In BC and ATL, 45% and 17.7%, respectively, of respondents used tedders to enhance wilting. In BC, CEN, ATL, and PRA, 55%, 58.3%, 64.7% and 44.8% respectively of respondents used inoculants.

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来源期刊

Canadian Journal of Animal Science 农林科学-奶制品与动物科学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： Published since 1957, this quarterly journal contains new research on all aspects of animal agriculture and animal products, including breeding and genetics; cellular and molecular biology; growth and development; meat science; modelling animal systems; physiology and endocrinology; ruminant nutrition; non-ruminant nutrition; and welfare, behaviour, and management. It also publishes reviews, letters to the editor, abstracts of technical papers presented at the annual meeting of the Canadian Society of Animal Science, and occasionally conference proceedings.