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利用不同颜色的耳号来区分不同周龄的猪只

作者:美国利来曲向阳来源:猪e网时间:2012-07-05 13:37点击:

  

  目的

  本法的目的是在生产实践过程中通过查看仔猪耳号颜色而快速确定仔猪的周龄。

  方法描述

  很多猪场会采用耳号、纹身等方法来对仔猪的身份、来源等信息进行鉴别、区分。其中戴耳号是使用最广泛的方法。

  猪场通常会使用同一种颜色的耳号,也有一些猪场会采用不同颜色的耳号以区分公猪与母猪。下述猪场对不同周龄的仔猪分别采用白色、红色、蓝色、紫色、黄色及粉红色等不同颜色耳号。

  通过采用上述方法,您可以根据耳号颜色来快速确定猪只的周龄。

  该法具有很多不同的用途,但我认为主要包括下述两个:

  1.对于种猪群In pedigree breeding (or on farms with auto-replacement),来说,该法可用来快速判定后备母猪的实际周龄,以确定后备母猪是否达到最低配种年龄要求(不仅仅是达到目标体重)。

  妊娠母猪舍的后备母猪。它们分别戴有黄色、蓝色、橙色等不同颜色的耳号。

  2.对于商品猪场来说,当将不同周龄的哺乳仔猪与保育仔猪混群时,该法可快速判断猪只周龄。在未核对猪只耳号上的标签的情况下,仅需快速的扫一眼,便可知道哪些猪只已达到上市周龄。很多时候,同一栏中存在两种不同颜色的耳号是非常正常的,因为这些猪可能产于不同的日期,但大多情况下,同一栏中常以一种颜色的耳号为主。

  对于那些正在使用耳号来判定仔猪身份的猪场来说,该法不会增加任何成本。

  Tips on pigs

  Using different colored ear tags to identify piglets born during different weeks

  09-May-2012 (14 days ago)

  Xavier de Paz

  Objective

  The aim of this trick is to identify quickly and practically, the age of piglets and pigs just by looking at the color of their ear tag.

  Tip description

  Many farms use source identification systems for the identification of piglets (ear tags, tattoos, etc....) and the most widely used system are the ear tags.

  Normally all animals use exactly the same color, although some farms use different ear tags for males and females. On this farm a different color ear tag is used for each week of birth: white, red, blue, violet, yellow, pink, etc.

  This way you can know quickly just by looking at them, how old the pigs are.

  There can be various uses for this, but mainly I can think of two:

  1. In pedigree breeding (or on farms with auto-replacement), it serves to determine the actual age of gilts when they are being adapted to meet the minimum age required for mating (and not just the target weight).

  Here are some gilts in gestation pens, bearing large (yellow) ear tags the with the sow number on it, but they still retain the round ear tag given at birth. We can see a blue one, an orange one and a yellow one.

  2. On commercial farms this system may be useful for identification if you are mixing animals of different ages, especially in farrowing and nursery. And also to be able to see at a glance, without having to consult the lot, the age at which animals are reaching the slaughterhouse. Many times it is normal to see two colors in a pen because they can be piglets from farrowing on two consecutive days, but there is usually one predominant color.

  Here you can see the piglets in the nursery. How many ear tag colors you see in the picture?

  The cost of this practice is zero, at least on farms that are already using ear tags to identify individual piglets.

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