אסיף מאגר המחקר החקלאי

Impact of shelter in hot Mediterranean climate on feed intake, feed utilization and body fluid distribution in sheep

Year:

1987

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Volume :

9

Co-Authors:

Silanikove, N., Galilee Technological Centre, Kiryat Shmona, Israel

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Abstract:

Sheep fully exposed to Mediterranean summer conditions had a higher respiration rate and a higher body temperature than sheep with access to shade. Nevertheless, feed intake and water intake of non-sheltered animals was not different from that of sheltered ones and both maintained their body weight on medium quality hay. Apparent digestibility of organic matter was higher in the non-sheltered animals than in the sheltered ones. The mean retention time of undigested feed in the rumen and in the entire digestive tract was higher in the non-sheltered animals than in the sheltered ones. Water turnover rate was only slightly higher in the non-sheltered animals than in the sheltered ones. However, plasma volume and extracellular volume were significantly higher in non-sheltered than in sheltered animals. The volume of water in the alimentary tract was not different between the two groups. © 1987 Academic Press Limited.

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