Name: 母雞的鑒定(FFA Poultry Judging: Class 2 - Egg Type Hens for Placing)
Uploaded: 2013-04-07T10:23:34.000Z
Duration: 8 min

>> This is FFA Poultry Judging: Class 2 – Egg-Type Hens for Placing

>>這是FFA家禽評審。第二組 - 蛋型雞配種

>>Students should become familiar  with the different parts of the hen.

>>學生應熟悉母雞的不同部位。

>>In particular, the comb,  the eye ring, the ear lobe,

the beak, the wattles, the shoulder,  the breast, keel bone, hock,

toes, shanks, abdomen,  vent, pubic bones and tail.

腳趾、柄、腹部、發洩口、恥骨和尾巴。

>>Hens deposit yellow coloring or  become bleached in certain areas

>>母雞在某些區域沉積黃色的顏色或變得漂白。

of their body including the vent,  the eye ring, the ear lobe,

他們的身體，包括通風口、眼圈、耳垂。

the beak, the bottom of the foot,  the entire shank and the hock

The most important selection  criteria are pigmentation

and handling qualities  and abdominal capacity.

They are both considered of equal importance.

以及頭部和頭部的部分，依次類推。

>>As the hen ages and lays eggs,  she packages zanthrophil,

>>隨著母雞年齡的增長和產蛋，她會將黃芪打包。

the yellow pigment,  in the yolk of her eggs.

This pigment or color is taken  from various parts of her body.

這種色素或顏色取自她身體的各個部位。

>>Pigmentation is a term used  to describe the presence

>>色素沉著是一個用來描述存在於

or absence of yellow  pigment in the skin,

>>Leghorns or inbred crosses  of leghorn type chickens

>>樂角雞或樂角型雞的近親交配。

normally exhibit yellow  pigmentation on the skin

>>Students should learn how  to accurately read pigment

>>學生應學會如何準確地閱讀顏料。

as it is a good indicator  of the number of eggs

因為它能很好地反映出雞蛋的數量。

Pigment fades from the hens  body parts in a specific order.

顏料按照特定的順序從母雞的身體部位褪去。

>>First, we begin by demonstrating  the proper way to remove

>>首先，我們先演示一下去除的正確方法。

so be careful as you  remove them from the cage.

所以當你把它們從籠子裡拿出來的時候要小心。

A hand is placed on  the back of the bird

and then the head of  the bird is tucked into

It makes the bird relax, so that  it can be maneuvered for evaluation.

它使鳥兒放鬆，這樣就可以操縱它進行評估。

Notice how the bird appears  to be fairly comfortable

請注意，這隻鳥看起來相當舒服

First, we evaluate a bird that  has had good past performance.

首先，我們評價一隻鳥，它過去的表現很好。

Notice how bleached the eye ring is;  totally devoid of color.

注意，眼圈是多麼的漂白，完全沒有顏色。

If you look closely,  you can actually see

如果你仔細看，其實你可以看到

Notice the beak and it’s  fairly bleached as well.

注意到喙，它也是相當漂白的。

And notice that the comb  and wattles are red and waxy

還有，注意到梳子和尾巴都是紅色的，而且是蠟質的

A bird with poor past  performance will have

>>Now we turn the bird over  and examine its vent.

>>現在我們把鳥翻過來，檢查它的通風口。

Notice that this vent is  bleached, moist and large.

注意，這個通風口是漂白的，潮溼的，大的。

This indicates that this bird  has had good past performance.

這說明這隻鳥過去的表現不錯。

>>The backs of the shanks  and the bottoms of the feet

are thoroughly bleached as well  indicating good past performance.

徹底漂白，也說明過去的性能良好。

>>The front of the shanks  are bleached as well,

>>Next we determine the abdominal capacity of this hen.

>>接下來我們確定這隻母雞的腹腔容量。

This is done by placing  the fingers between

In this case, it’s 4 fingers,  indicating good past production

在這種情況下，它是4個手指，表明過去的生產良好。

This is done by placing  the fingers between the pubic bones

這是通過將手指放在恥骨之間來實現的。

and determining how many  fingers can fit there,

並確定那裡可以容納多少個手指。

in this case, 3,  indicating good abdominal capacity.

在這種情況下，3，說明腹腔能力好。

接下來我們檢查一下腹部的脂肪。

If there is not very much  abdominal fat there

那麼這隻鳥就是一個很好的過去生產者。

The next procedure is  to check the primaries

and determine how many primaries  she has or if she is in molt.

並確定她有多少初乳或是否在蛻皮。

This is done by finding  the small axial feather

這是通過尋找小的軸向羽毛來完成的

and then fanning out  the primary feathers

In this case, this bird  has all 10 of her primary feathers

在這種情況下，這隻鳥的10根主要羽毛都在這裡了

and she not in molt, indicating that  she has good past performance.

而她又不在蛻皮期，說明她過去的表現不錯。

做兩個翅膀。  用同樣的程序。

Find the axial feather,  which is the small one,

In this case, she has all 10  and she is not in molt.

在這種情況下，她10個都有了，而且她沒有蛻皮。

>>在某些情況下，好的生產母雞。

>>Next we look at a hen  with poor past production.

>>接下來我們來看一隻過去生產狀況不佳的母雞。

She has coloration around  her eye ring and a colored beak.

她的眼圈周圍有顏色，嘴也是彩色的。

This bird is not bleached  and still has coloration

on the backs of her shanks  and the bottoms of her feet,

>>This hen still has yellow  pigmentation on the front

>>這隻母雞前面還有黃色的色素。

>>Next, we look at her vent  and find that it’s small

＆gt;＆gt;接下來，我們看她的通風口，發現它的小

and still has yellow pigments,  indicating poor past production.

且仍有黃色顏料，說明過去的生產情況不佳。

we find that couple of her  primary feathers are missing.

我們發現她的幾根主要羽毛都不見了。