找回密碼
 To register

QQ登錄

只需一步,快速開始

掃一掃,訪問微社區(qū)

打印 上一主題 下一主題

Titlebook: Beef Production from Different Dairy Breeds and Dairy Beef Crosses; G. J. More O’Ferrall Book 1982 Springer Science+Business Media B.V. 19

[復(fù)制鏈接]
樓主: Bush
41#
發(fā)表于 2025-3-28 14:49:38 | 只看該作者
Meat Production of Holstein Friesians in Comparison to Dutch Friesians and Dutch Red and Whiteimportance, because they have to be spread over 5 years. The differences between these breeds in the value of the newborn bull calves are rather large and are of importance, because they will return on average each two years on a cow basis,
42#
發(fā)表于 2025-3-28 22:43:06 | 只看該作者
Ability of Holstein-Friesian, Dutch Black and White And Belgian White-Red Bull Calves for Veal and Btensive and semi-intensive beef production systems) were the most unfavourable for the Holstein breed..Except for the colour of the veal calves, the meat quality characteristics were not significantly different between the breeds. In all systems, the best results were obtained with the Belgian White
43#
發(fā)表于 2025-3-29 01:00:25 | 只看該作者
44#
發(fā)表于 2025-3-29 05:00:09 | 只看該作者
Sire Breed Influence of Various Beef Breeds on Calving Performance, Growth Rate, Feed Efficiency, Cavery high growth capacity causes calving difficulties, if these breeds are used for crossbreeding with cows of large dairy breeds. The best suited beef breeds for crossbreeding to large dairy breeds are consequently Limousin or Piedmont.
45#
發(fā)表于 2025-3-29 07:13:48 | 只看該作者
46#
發(fā)表于 2025-3-29 13:00:52 | 只看該作者
47#
發(fā)表于 2025-3-29 17:51:13 | 只看該作者
The Effect of Freezing on the Meat Colour of Purebred and Crossed Young Bullsted, in that there was a 7% reduction in the CH x GS crosses and an average increase of 3% with other subjects. Finally, “within groups” simple correlations between the variables studied have been reported.
48#
發(fā)表于 2025-3-29 21:45:02 | 只看該作者
49#
發(fā)表于 2025-3-30 01:14:41 | 只看該作者
Influence of Economic Weights and Population Structure on Selection Response of Milk and Beef Traits introduction of progeny test of bulls and performance test of cows in the field, yield a higher genetic gain and a higher profit. Moreover, these breeding activities seem to be an effective tool to balance the genetic gain of milk and beef traits.
50#
發(fā)表于 2025-3-30 05:33:16 | 只看該作者
 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 期刊點評 投稿經(jīng)驗總結(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| 派博傳思國際 ( 京公網(wǎng)安備110108008328) GMT+8, 2025-10-18 14:25
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
凤凰县| 湖口县| 新邵县| 宁夏| 肥西县| 兴义市| 合肥市| 北川| 巨鹿县| 乌拉特后旗| 隆子县| 乌恰县| 尼木县| 洪江市| 广宗县| 博湖县| 横山县| 临沂市| 民和| 桃园市| 岳池县| 漳州市| 邮箱| 东安县| 会泽县| 南皮县| 广南县| 盐城市| 丹巴县| 吴忠市| 三门县| 靖远县| 平遥县| 昌乐县| 莱西市| 东海县| 莱州市| 田阳县| 靖宇县| 东平县| 乐平市|