Performance, Metabolic Responses of Fresh Cows to Daily or Every Other Day Oral Drenching a Glucogenic Precursor

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KAZEMI BONCHENARI M.; JAHANI MOGHADAM M.; ALIZADEH A.R.; GHODRATI P.; SHAHABI H.; MAHJOUBI E.; GORJIDOOZ M.

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Journal: IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE Year:2019 | Volume:9 | Issue:1 Page(s): 31-38

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Title

Performance, Metabolic Responses of Fresh Cows to Daily or Every Other Day Oral Drenching a Glucogenic Precursor

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Keywords

fresh cow

glucogenic precursor

hepatic oxidation theory

liver enzymes

Abstract

The delivery method of [continuous (CONT) vs. every other day or intermittent (INT)] a glucogenic precur-sor (GP) which was contained glycerin (500 g/kg), mono-propylene glycol (250 g/kg), calcium propionate (150 g/kg), niacin (1 g/kg) and sulfate-Co (350 mg/kg) on performance, selected blood metabolites and liver enzymes were evaluated. Twenty-four multiparous Holstein fresh cows were allocated in a completely randomized design (8 animals/each treatment) fed individually for a period of 14 days after calving. The experimental groups were: 1) no GP supplementation (CTR), 2) GP offered as an oral drench once a day (GP-CONT) on days 3, 4, 5, 6, and 7 after calving and 3) GP offered as an oral drench once a day intermit-tently (GP-INT) on days 3, 5, 7, 9, and 11 after calving. The amount of oral drenched GP was 1 kg/d. Blood samples were obtained on 5 and 14 days in milk. Dry matter intake (DMI) was increased (P=0. 05) in GP-INT cows compared to GP-CONT but not control cows. The yield of fat corrected milk was greater in CTR cows than in GP supplemented cows (P=0. 01). The milk protein and fat content were greater for GP-CONT and CTR groups, respectively. Milk somatic cell count was decreased in GP supplemented cows than in CTR cows (64. 5 vs. 365×103/mL; P=0. 02). Plasma total protein concentration was greater in GP-CONT group. Insulin concentration was increased for GP-CON animals on day 5 (P<0. 05). Non-esterified fatty acids and β-hydroxy butyrate as well as liver enzymes were unaltered by treatments. However insulin sensi-tivity index was lower in supplemented treatments with GP rather than control group (P<0. 05). In conclu-sion, the intermittent delivery of glucogenic precursor may be recommendable in fresh cows based on DMI criteria, which warrants further studies.

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APA: Copy

KAZEMI BONCHENARI, M., JAHANI MOGHADAM, M., ALIZADEH, A.R., GHODRATI, P., SHAHABI, H., MAHJOUBI, E., & GORJIDOOZ, M.. (2019). Performance, Metabolic Responses of Fresh Cows to Daily or Every Other Day Oral Drenching a Glucogenic Precursor. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, 9(1), 31-38. SID. https://sid.ir/paper/721653/en

Vancouver: Copy

KAZEMI BONCHENARI M., JAHANI MOGHADAM M., ALIZADEH A.R., GHODRATI P., SHAHABI H., MAHJOUBI E., GORJIDOOZ M.. Performance, Metabolic Responses of Fresh Cows to Daily or Every Other Day Oral Drenching a Glucogenic Precursor. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE[Internet]. 2019;9(1):31-38. Available from: https://sid.ir/paper/721653/en

IEEE: Copy

M. KAZEMI BONCHENARI, M. JAHANI MOGHADAM, A.R. ALIZADEH, P. GHODRATI, H. SHAHABI, E. MAHJOUBI, and M. GORJIDOOZ, “Performance, Metabolic Responses of Fresh Cows to Daily or Every Other Day Oral Drenching a Glucogenic Precursor,” IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, vol. 9, no. 1, pp. 31–38, 2019, [Online]. Available: https://sid.ir/paper/721653/en

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