找回密碼
 To register

QQ登錄

只需一步,快速開(kāi)始

掃一掃,訪問(wèn)微社區(qū)

打印 上一主題 下一主題

Titlebook: Duck Production and Management Strategies; A. Jalaludeen,R. Richard Churchil,Elisabeth Baéza Book 2022 The Editor(s) (if applicable) and T

[復(fù)制鏈接]
樓主: PED
21#
發(fā)表于 2025-3-25 03:50:05 | 只看該作者
978-981-16-6102-0The Editor(s) (if applicable) and The Author(s), under exclusive licence to Springer Nature Singapor
22#
發(fā)表于 2025-3-25 11:12:46 | 只看該作者
23#
發(fā)表于 2025-3-25 15:27:37 | 只看該作者
24#
發(fā)表于 2025-3-25 17:56:41 | 只看該作者
Breeds of Domestic Ducks,sia, from where ducks moved to the eastern Mediterranean. Pekin is the finest dual-purpose breed evolved from China which is utilized for egg and meat production all over the world. China is also the homeland for dual-purpose breeds like Gaoyou and Linwu. Further Chinese breeds like Shan Ma, Shaoxin
25#
發(fā)表于 2025-3-25 23:19:28 | 只看該作者
Duck Genetics and Breeding,estern Europe (800?AD). FAO enlists 400 duck and 63 Muscovy duck genetic groups (breeds, strains and lines) spreading across the world; although the list is expanding. Sixteen duck genetic groups are extinct and 34 ducks and 1 Muscovy are endangered. Many more are critical or vulnerable. The Mendeli
26#
發(fā)表于 2025-3-26 03:37:31 | 只看該作者
27#
發(fā)表于 2025-3-26 07:16:10 | 只看該作者
Nomadic (Transhumant) Duck Farming Practices,h ducks in few hundreds to thousands move to faraway places of nearby states or provinces and very rarely to nearby countries in search of pastures. During lean seasons, the ducks are handfed with locally available feedstuffs. The nomads move back to their native place at the time of harvest or betw
28#
發(fā)表于 2025-3-26 11:09:51 | 只看該作者
29#
發(fā)表于 2025-3-26 13:04:43 | 只看該作者
Intensive Duck Rearing, advantages over chicken farming. Better productivity in ducks is achieved even with less expensive, simple housing facilities resulted in less investment for commercial duck farming. Apart from the indigenous duck varieties, breeds like White Pekin and Aylesbury, improved varieties like Vigova are
30#
發(fā)表于 2025-3-26 18:48:06 | 只看該作者
Feeding and Nutrient Requirements of Ducks,grains provides a near balanced feed for the ducks. However, when reared under semi-intensive and intensive farming systems, scientific feeding and nutrition are very important. Ducks have very fast growth rate during early juvenile life compared to chicken. Feed or energy restriction is followed du
 關(guān)于派博傳思  派博傳思旗下網(wǎng)站  友情鏈接
派博傳思介紹 公司地理位置 論文服務(wù)流程 影響因子官網(wǎng) 吾愛(ài)論文網(wǎng) 大講堂 北京大學(xué) Oxford Uni. Harvard Uni.
發(fā)展歷史沿革 期刊點(diǎn)評(píng) 投稿經(jīng)驗(yàn)總結(jié) SCIENCEGARD IMPACTFACTOR 派博系數(shù) 清華大學(xué) Yale Uni. Stanford Uni.
QQ|Archiver|手機(jī)版|小黑屋| 派博傳思國(guó)際 ( 京公網(wǎng)安備110108008328) GMT+8, 2025-10-28 14:23
Copyright © 2001-2015 派博傳思   京公網(wǎng)安備110108008328 版權(quán)所有 All rights reserved
快速回復(fù) 返回頂部 返回列表
庄浪县| 东光县| 宿松县| 论坛| 弥勒县| 沂源县| 苏州市| 东乌珠穆沁旗| 邵阳市| 滁州市| 西城区| 双辽市| 芒康县| 潮安县| 梨树县| 类乌齐县| 西吉县| 佛山市| 武邑县| 得荣县| 九龙县| 平顶山市| 略阳县| 柳江县| 宁国市| 温宿县| 西平县| 米泉市| 尚志市| 腾冲县| 高碑店市| 汝南县| 新丰县| 普兰店市| 沙河市| 昭觉县| 昭通市| 兴仁县| 溧阳市| 积石山| 集安市|