1.
Studies on Dietary Protein and Energy Levels and Its Effect on Productive Performance in Landrace-Yorkshire Hybrid Sows;
能量与蛋白质水平对长大二元杂母猪繁殖性能的影响研究
2.
Research on Amino Acids Requirements of 10～20kg Landrance×Rongchang Crossbred Piglets;
10～20kg长×荣二元杂交猪氨基酸需要量的研究
3.
A total of 50 hybrid pigs (Landrace×Large White×Duroc) were used.
试验使用50头长白×大约克×杜洛克三元杂交猪。
4.
Quxian Sanyuan Pig is the commercial name of the mixed-copulated pigs, such as Du changjia.
衢县三元猪”是杜长嘉等三元杂交猪的商品名。
5.
Study on Dynamic Changes of Conventional Ingredients, Enzymes and Hormones in Sows Colostrum and Their Comparisons with Milk;
长约二元母猪初乳常规成分、酶和激素的动态变化及其与常乳的比较研究
6.
THE EFFECT CROSSBREEDING OF THE ER-HUA-LIAN ( MEI-SHAN ) PIGS WITH DUROC JERSEY AND LARGE WHITE
二花脸猪与杜洛克猪大约克猪杂交利用的初步研究
7.
Breeding and Crosses of Large White, Landrace and Duroc
大白、长白、杜洛克猪选育及杂交利用
8.
Effects of MT on Anti-oxidative Function and Meat Quality in DLY Hybrid Pigs and DW Hybrid Boars;
MT对杜长大杂交猪和杂种野猪抗氧化功能和肉质的影响
9.
EFFECTS OF TWO-WAY AND THREE-WAY CROSS OF YANAN PIG WIFH EXOTIC BACON BREEDS
瘦内型品种与雅南猪的二元、三元杂交效果的研究
10.
Hogs commence breeding when they are from nine to twelve months old.
母猪等他们到了九到十二个月大时就开始繁殖。
11.
The Study on Duroc×Landrace×Yorkshire (or DYL) of Swine Breeding System in Mudanjiang City;
牡丹江市杜长约（杜约长）三元杂交猪繁育体系的研究
12.
Comparison of Pig Lactescence of Yorkshire, Landrace and Duroc
大约克夏、长白、杜洛克母猪泌乳力的比较
13.
The Relationship between Placental Efficiency and Reproductive Performances in Landrace×Large White Sows;
长大母猪胎盘效率与繁殖性能关系的研究
14.
Crossbred Duroc was not better than pure ones for litter size at birth.
系间杂交公猪所配母猪的产仔数也与纯系所配母猪的产仔数相近。
15.
STUDIES ON SECRETION PROCESS OF Candida tropicalis PRODUCING LONG CHAIN DICARBOXYLIC ACID
产长链二元酸热带假丝酵母酸分泌过程研究
16.
Studies on Metallothionein Synthesis Inducted by Zn and the Metallothione in Metabolism in D×L×Y Hybrid Pig and Wild×Duroc Hybrid Boar;
金属硫蛋白锌诱导合成及其在杜长大杂交猪和杂种野猪体内代谢规律的研究
17.
The Growth and Development Observation of Three-way Cross Beef Cattle with Different Combinations (the second report)
不同组合三元杂交肉牛生长发育观察(第二报)
18.
Effect of Duroc,Large White and Landrace Crosses on the Growth and Meat Production Traits
杜洛克、大白、长白猪的生长和肉用性状杂交效果研究