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Utilization of Soymilk as Milk Replacer for Calves

A. K. M. Masum
Department of Dairy Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. N. Islam
Department of Dairy Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. S. Khan
Department of Dairy Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted to study the utilization of soymilk as milk replacer for raising calves. Nine crossbred calves were selected and divided into three groups on the basis of their body weight and genotype. The calves of group A were reared by cow milk, group B reared by strained soymilk and group C reared by unstrained soymilk. It was found that, total body weight gain of group A, B and C were 13.933 ± 1.222, 13.800 ± 0.917 and 13.233 ± 1.537 Kg, respectively. There was no significant difference among the three groups of calves. Non-significant differences were also seen for increment in wither height (5.588 ± 0.508, 5.419 ± 0.529 and 5.080 ± 0.440 cm, respectively), length (6.096 ± 0.440, 5.927 ± 0.388 and 5.503 ± 0.388 cm, respectively) and heart-girth (5.842 ± 0.440, 5.588 ± 0.916 and 5.419 ± 0.388 cm, respectively) of calves. Economic analysis showed that soymilk was cheaper than cow milk (Tk. 8.0 vs Tk. 44.0). It can be concluded that soymilk as milk replacer could be used successfully for raising dairy calves.

Keywords: Soymilk, Cow milk, Calves, Body weight

Location: Bangladesh Agricultural University Dairy Farm

Start Date: 00-00-2008

End Date: 00-00-2008

Program Area: Animal Health and Management

Commodity: Feed

Objectives:

1. To study the raising dairy calves economically by using soymilk.

Methodology:

This experiment was conducted with crossbred dairy calves at Bangladesh Agricultural University Dairy Farm for a period of eight weeks. Nine crossbred dairy calves of nearly similar in body weight (37.7 to 39.7 kg) and age (about 1.5 to 2 months of age) were selected and divided into three groups (group A, B and C) considering their body weight and genotype in a Completely Randomized Design (CRD). The calves of group A were reared by feeding cow milk, group B reared by soymilk after straining and group C reared by soymilk without straining. Soymilk was prepared from the large size, thin hull and not more than 1 year old whole soybean. One kg whole soybean was grinded in a soy flour mill and 125g powder was dissolved with 1000 ml of water and strained with fine muslin cloth. Thereafter, soymilk was boiled at 100°C for 15 minutes with constant stirring. After proper cooling soymilk was supplied to the calves of group B. On the other hand, another batch of soymilk was prepared in the same way and offered to the calves of group C without straining and calves of group A were supplied cow’s milk collected from the Bangladesh Agricultural University Dairy Farm. Whole milk and soymilk were given two times daily, once in the morning and again in the afternoon. Group A was continued with cow milk feeding system (1 litre cow milk for each calf), which was treated as control group and another two groups (group B and group C) were fed strained and unstrained soymilk, respectively at the same rate up to eight weeks study period. Green grasses were also supplied in the morning and afternoon at free choice throughout the experiment and 0.5 kg concentrate mixture was given only in the morning (wheat bran: rice polish: til oil cake: common salt= 6:3:1:0.3). The calves were weighed and their height, length, and heart girth were measured initially at starting of the experiment and subsequently once a week in the morning before offering their feed. Milk samples were analyzed were the specific gravity, dry matter, fat, protein, ash and solids-not-fat (SNF) content. Green grass and concentrate mixture were analyzed to determine the proximate composition following the methods as described in AOAC. The data were analyzed statistically by using MSTAT computer program. Chemical composition and cost (Tk) of cow’s milk and soymilk are sh

Source of Information: Bang. J. Anim. Sci. 2009, 38(1&2) : 102 – 107; ISSN 0003-3588

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the results of the present experiment it may be recommend that soymilk as a milk replacer could be used successfully for raising the dairy calves.

Knowledge Management: Journal