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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.17.0811    [Accepted] Published online March 2, 2018.
The Effect of Intermittent Watering on Performance, Blood Metabolites, and Nutrient Digestibility in Baluchi Lambs
Vahid Vosooghi-postindoz1, Abdol Mansour Tahmasbi2,*, Abbas Ali Naserian2, Reza Valizadeh2, Seyed Hadi Ebrahimi2
1Department of Animal Science Ferdowsi University of Mashhad International Campus, Mashhad, Iran, Mashhad, Iran
2Department of Animal Sciences Faculty of Agriculture Ferdowsi University of Mashhad, Mashhad, Iran, mashhad, Iran
Correspondence:  Abdol Mansour Tahmasbi, Tel: +98-5118795616-20, Fax: +98-5118787420, Email: a.tahmasbi@lycos.com tahmasebi@ferdowsi.um.ac.ir
Received: 4 November 2017   • Revised: 2 January 2018   • Accepted: 4 November 2017
Abstract
Objective
This study was conducted to evaluate the effect of intermittent watering on Baluchi lambs, regarding their performance, blood metabolites, and nutrient digestibility.
Methods
Twenty male Baluchi lambs, 120 ± 5 days of age and 29 ±2.2 kg body weight were randomly assigned to four watering treatments: (T1) free access to water during the day, (T2) watered ad libitum twice a day, (T3) watered ad libitum once a day, (T4) watered ad libitum once every two days. The experiment lasted 42 days.
Results
water restriction led to reduction in weight gain, DMI, water consumption, Water/DMI (p<0.05). Rectal temperature and respiration rate non influenced (p>0.05). aldosterone, cortisol, insulin hormone affected by treatments (p<0.05). Serum glucose, creatinine, total protein and globulin not affected (p> 0.05). while observed significant difference among T3 with other treatment in BUN (p<0.05). significant differences were observed in serum cholesterol and triglyceride between T4 and other groups (p< 0.05). There was a significant difference between T4 and T1 and T2 in albumin serum (p< 0.05). RBC WBC non influenced by water restriction (p< 0.05). However, PCV, MCV, MCH, MCHC and hemoglobin influenced by treatments (p< 0.05). sodium and chloride of serum was significantly higher in T4, and there were significant differences among the treatments (p< 0.05). But there were no differences among the treatments (p> 0.05), with regard to calcium, phosphorus, magnesium, potassium. Digestibility of ADF, NDF, CP and OM was different among T3, T4 and other treatments (p< 0.05), while no differences were found in EE digestibility among treatments (p> 0.05). There was a significant difference between T4 and other groups and between T4 and T1 regarding fecal output and urine exertion respectively.
Conclusion
This results implies that Baluchi lambs can tolerate water restriction up to once a day for at least 28 days without harmful effects.
Keywords: intermittent watering; blood metabolite; nutrient digestibility; Baluchi lambs


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