Arid
DOI10.1016/j.smallrumres.2006.10.012
Effect of intermittent watering on growth, thermoregulation and behaviour of Ethiopian Somali goat kids
Mengistu, Urge; Dahlborn, Kristina; Olsson, Kerstin
通讯作者Mengistu, Urge
来源期刊SMALL RUMINANT RESEARCH
ISSN0921-4488
出版年2007
卷号72期号:2-3页码:214-220
英文摘要

Goats in semi-arid regions may be watered at long intervals. This experiment was conducted to assess how 3-4 months old suckling goat kids cope with intermittent watering. The experimental period lasted for 32 days that was divided into four even periods. Measurements were taken during the first 4 days of each period. One group of seven does (W1D) and their seven kids (W1K) were watered once daily. Another group of seven does (W4D) and their seven kids (W4K) were watered once every fourth day. Kids were offered concentrates in-group each evening. Rectal temperature (T-r) was measured at 8:00 and 17:15 h. Every morning, the left udder half was milked while the kids were suckling the right. The kids accompanied their dams out on pasture between 9:00 and 12:15 It and 13:15 and 16:30 h. At pasture the kids’ behaviour was recorded every 5 min. The calculated daily water intake (ml/kg BW0.75) of W1K and W4K was 86 +/- 3 and 63 +/- 7, respectively (P < 0.05). The amount of milk available to the kids was estimated to 149 +/- 5 ml per day (W1K) and 115 +/- 5 ml per day (W4K) (P < 0.001). The daily weight gain in W1K (52 +/- 4 g) was higher than W4K (33 +/- 4 g) (P < 0.01). The diumal T-r on average increased from 38.0 to 40.5 degrees C in W1K and from 37.7 to 40.9 degrees C in W4K. Afternoon T-r in W4K was higher than in W1K during periods 3 and 4 (P < 0.01). Grazing time in W4K was shorter than that of W1K on the fourth day (P < 0.001). The W4K spent more time in the shade on days 2, 3 and 4 as compared to W1K (P < 0.01). In summary, the W4K employed both behavioural and thermoregulatory mechanisms to avoid water losses and they used the available water more efficiently. Yet, body weight gain was lower in W4K than in W1K. We recommend shorter intervals of watering to exploit the growth potential of the breed. (c) 2006 Elsevier B.V. All rights reserved.


英文关键词behaviour goat kid growth intermittent watering milk thermoregulation
类型Article
语种英语
国家Ethiopia ; Sweden
收录类别SCI-E
WOS记录号WOS:000249355800019
WOS关键词MILK SECRETION ; DEPRIVATION ; RESPONSES ; BALANCE
WOS类目Agriculture, Dairy & Animal Science
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/156007
作者单位(1)Haramaya Univ, Dept Anim Sci, Dire Dawa, Ethiopia;(2)Swedish Univ Agr Sci, Dept Large Anim Clin Sci, Sect Comparat Physiol & Med, SE-75007 Uppsala, Sweden;(3)Swedish Univ Agr Sci, Fac Vet Med & Anim Sci, Dept Anat & Physiol, SE-75007 Uppsala, Sweden
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GB/T 7714
Mengistu, Urge,Dahlborn, Kristina,Olsson, Kerstin. Effect of intermittent watering on growth, thermoregulation and behaviour of Ethiopian Somali goat kids[J],2007,72(2-3):214-220.
APA Mengistu, Urge,Dahlborn, Kristina,&Olsson, Kerstin.(2007).Effect of intermittent watering on growth, thermoregulation and behaviour of Ethiopian Somali goat kids.SMALL RUMINANT RESEARCH,72(2-3),214-220.
MLA Mengistu, Urge,et al."Effect of intermittent watering on growth, thermoregulation and behaviour of Ethiopian Somali goat kids".SMALL RUMINANT RESEARCH 72.2-3(2007):214-220.
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