EFFECTS OF SUPPLEMENTATION WITH SODIUM CASEINATE OF EARLY LACTATION DIET ON PERFORMANCE, DIGESTIBILITY, MICROBIAL NITROGEN FLOW, AND NITROGEN EFFICIENCY IN HOLSTEIN COWS

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KAZEMI BONCHENARI M.; REZAYAZDI K.; NIKKHAH A.; KOHRAM H.; DEHGHAN BANADAKY M.

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Journal: IRANIAN JOURNAL OF VETERINARY RESEARCH (IJVR) Year:2012 | Volume:13 | Issue:3 (40) Page(s): 234-240

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Title

EFFECTS OF SUPPLEMENTATION WITH SODIUM CASEINATE OF EARLY LACTATION DIET ON PERFORMANCE, DIGESTIBILITY, MICROBIAL NITROGEN FLOW, AND NITROGEN EFFICIENCY IN HOLSTEIN COWS

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EARLY LACTATING COWSQ2

SODIUM CASEINATEQ2

NITROGEN EFFICIENCYQ2

Abstract

Performance, digestibility of nutrients, microbial nitrogen flow (MNF) and NITROGEN EFFICIENCY (NE) in early lactating Holstein cows were investigated by diet supplementation with SODIUM CASEINATE (CN). Multiparous lactating Holstein cows (n = 15) with an average body weight of 638 kg and 21 days in milk were assigned to a completely randomized design (five cows per treatment) and fed a basal diet with different CN levels (treatments 1, 2, and 3, contained 0, 50, and 100, g/d/head CN, respectively). The study lasted 49 days (first 14 days for adaptation and the last 35 days for collection of data). There were no statistical differences in dry matter intake, milk yield, milk lactose yield, and protein yield with CN supplementation. 3.5% fat corrected milk yield was increased by CN supplementation (P<0.05). Digestibility of ADF was increased by CN supplementation (P<0.05). The higher level of CN affected MNF was estimated by spot urine sampling technique (P<0.05). Predicted N excretion through urine was affected (P<0.05), however, there was no effect of CN supply on predicted N excretion through faeces. In conclusion, the results indicated that although supplementation with CN improved MNF, negligible effects on performance of the cows were observed. Furthermore, increased milk urea nitrogen (MUN) concentration and predicted urine N excretion revealed the lower NE in early lactating dairy cows supplemented with CN compared with control treatment.

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APA: Copy

KAZEMI BONCHENARI, M., REZAYAZDI, K., NIKKHAH, A., KOHRAM, H., & DEHGHAN BANADAKY, M.. (2012). EFFECTS OF SUPPLEMENTATION WITH SODIUM CASEINATE OF EARLY LACTATION DIET ON PERFORMANCE, DIGESTIBILITY, MICROBIAL NITROGEN FLOW, AND NITROGEN EFFICIENCY IN HOLSTEIN COWS. IRANIAN JOURNAL OF VETERINARY RESEARCH (IJVR), 13(3 (40)), 234-240. SID. https://sid.ir/paper/85663/en

Vancouver: Copy

KAZEMI BONCHENARI M., REZAYAZDI K., NIKKHAH A., KOHRAM H., DEHGHAN BANADAKY M.. EFFECTS OF SUPPLEMENTATION WITH SODIUM CASEINATE OF EARLY LACTATION DIET ON PERFORMANCE, DIGESTIBILITY, MICROBIAL NITROGEN FLOW, AND NITROGEN EFFICIENCY IN HOLSTEIN COWS. IRANIAN JOURNAL OF VETERINARY RESEARCH (IJVR)[Internet]. 2012;13(3 (40)):234-240. Available from: https://sid.ir/paper/85663/en

IEEE: Copy

M. KAZEMI BONCHENARI, K. REZAYAZDI, A. NIKKHAH, H. KOHRAM, and M. DEHGHAN BANADAKY, “EFFECTS OF SUPPLEMENTATION WITH SODIUM CASEINATE OF EARLY LACTATION DIET ON PERFORMANCE, DIGESTIBILITY, MICROBIAL NITROGEN FLOW, AND NITROGEN EFFICIENCY IN HOLSTEIN COWS,” IRANIAN JOURNAL OF VETERINARY RESEARCH (IJVR), vol. 13, no. 3 (40), pp. 234–240, 2012, [Online]. Available: https://sid.ir/paper/85663/en

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