CONCENTRATION OF UREA NITROGEN IN BUFFALO MILK DURING DIFFERENT SEASONS OF THE YEAR IN NORTHEASTERN BRAZIL

被引：0
|
作者：
Do Nascimento Rangel, Adriano Henrique [1 ]
Soares, Adriana Diocleciano [1 ]
Chaves De Lima, Tabatta Cristine [1 ]
Monteiro Araujo, Thalita Polyana [1 ]
De Lima Junior, Dorgival Morais [2 ]
机构：
[1] Univ Fed Rio Grande do Norte, Unidade Acad Especializada Ciencias Agr EAJ, BR-59000000 Macaiba, RN, Brazil
[2] Univ Fed Alagoas, Arapiraca, AL, Brazil
来源：
REVISTA CAATINGA | 2013年 / 26卷 / 03期
关键词：
Buffalo; Urea Nitrogen; Rainy and Dry; BULK MILK; PROTEIN-CONCENTRATION; CRUDE PROTEIN; DAIRY; LACTATION; HERD; PLASMA; YIELD; MANAGEMENT; BALANCE;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
This study aimed at assessing the influence of different seasons of the year (dry and rainy) on urea nitrogen (MUN) concentration of buffalo milk in a commercial herd from Rio Grande do Norte state. The region is characterized by a rainy tropical climate with a dry and wet season from August to January and February to July, respectively. Samples were collected monthly from the cooling tank between February 2010 and February 2011, in the morning. Next, they were homogenized and packed in 40-mL plastic flasks, containing the preservative Bronopol (R) and later sent to the laboratory for urea nitrogen analysis. Although March 2010 exhibited greater ureanitrogen concentration (25.4 +/- 4.4 mg/dL) and November the lowest mean (12 +/- 0.4 mg/dL), there was no significant variation in milk urea nitrogen in samples collected from cooling tanks during the rainy and dry seasons.
引用
收藏
页码：99 / 104
页数：6
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