laying ability

Comparative research on protein production capacity and freeze resistance capability of duckweed in nitrogen-phosphorus wastewater purification;

浮萍净化氮磷污水的蛋白质生产能力及耐寒能力比较研究

Effects of regulating embryonic metabolism on hormone level and antioxidation performance and laying performance in laying hens;

调节胚胎代谢对蛋鸡激素、抗氧化及产蛋性能的影响

Associations of 24-bp Indel in PRL 5′-region with serum PRL level and laying performance in non-broody chickens;

催乳素基因5′-调控区24-bp插入/缺失变异与非就巢鸡血浆催乳素水平及产蛋性能的关系

Effect of methionine content on laying performance in keet;

蛋氨酸含量对珍珠鸡产蛋性能的影响

Effect of cysteamine-preparation on egg production of breed hens and apparent metabolic rate of their diets;

添加半胱胺制剂对种鸡产蛋性能及养分代谢率的影响

Egg production and daily egg production of adding 0.

270只19周龄的ISABrow母鸡随机分3组处理,每个处理5个重复,研究酵母培养物对产蛋鸡产蛋性能和蛋品质的影响。

The current study was conducted to determine the effects of Salmonella Typhimurium lipopolysaccharide (LPS) challenge on egg production performance, inflammatory response, tissues metallothionein (MT) synthesis and tissue zinc distribution in laying hens fed two zinc sources.

36只海兰褐壳蛋鸡按2×3因子进行试验,饲喂3种日粮(分别为基础日粮、基础日粮中添加60 mg/kg硫酸盐和氨基酸络合形式的锌),每组随机选取半数腹腔注射脂多糖(LPS),另一半注射同样剂量的生理盐水,研究LPS应激对饲喂不同锌源蛋鸡产蛋性能、直肠温度、血清IL 1β以及肝脏和脾脏组织MT和锌含量的影响。

Effects of microorganisms and isomalto-oligosaccharides on egg production performance of laying hen;

微生态制剂和异麦芽低聚糖对产蛋鸡产蛋性能和免疫力的影响

Selective effects of the egg performance, fertility and hatchability in G1 generation,the body weight at 6 weeks of age in G2 generation between the high and low fat line were compared.

以父母代肉种鸡为材料,以血浆极低密度脂蛋白(very low density lipoprotein,VLDL)质量浓度为选择指标建立肉鸡高脂系和低脂系,个体测定一世代高、低脂系母鸡产蛋性能、种蛋受精率、孵化率、二世代6周龄体质量,观察血浆VLDL质量浓度选择效应。

Selective effects of egg performance were compared between high and low fat line in G 0 and G 1 generation.

以零世代和一世代高、低脂系肉鸡为素材 ,个体记录高、低脂系母鸡产蛋性能 ,屠宰测定零世代 54周龄母鸡腹脂重 (率 ) ,探讨肥度性状与产蛋性能的关系 ,并研究零世代、一世代高、低脂系产蛋性能选择效应。

The association between the two genes (PRL and GH ) and egg performance of Gaoyou duck were analyzed.

分别采用PCR-RFLP和PCR-SSCP方法检测催乳素(PRL)和生长激素(GH)基因的多态性,并分析了PRL和GH基因与高邮鸭产蛋性能的关系。

The Effects of the Production and the Egg Quality of the Bee Propolis in the Egg Chicken;

蜂胶对蛋鸡产蛋性能及蛋品质的影响

Relationship between Eggshell Color and Egg Quality and Laying Performance of Brown Egg Layers

褐壳蛋蛋壳颜色与蛋品质及产蛋性能的关系

Effect of Allicin on Layers Performance

大蒜素对蛋鸡产蛋后期产蛋性能的影响

Study on the Molecular Markers of Egg-laying and Egg Quality Traits in Wenchang Chicken;

文昌鸡产蛋性能及蛋品质性状分子标记的研究

The Influence of Suitable Methionine Content to Producing Eggs Performance for Treasure Domesticated Guinea Fowl;

适宜蛋氨酸含量对珍珠鸡产蛋性能的影响

Effects of Nano-Selenium and Iodine on Performance of Laying Hens Vaccinated with Swine E.coli

纳米硒、碘对免疫接种蛋鸡产蛋性能的影响

Effect of Health Sand on Egg-laying Performance and Egg Shell Quality of Wenchang Chicken

保健砂对文昌鸡产蛋性能及蛋壳品质的影响

Relationships between blood biochemical indices and egg-laying performances in muscovy ducks

番鸭血液生化指标与产蛋性能的关系

Effects of Different Source Iron on Laying Performance and Egg Quality and Approach to the Mechanism of the Effects in Roman Hens;

不同铁源对蛋鸡产蛋性能与蛋品质的影响及其作用机理探讨

Effects of xylooligosaccharides on growth performance,biochemical indexes and egg quality in laying hens

低聚木糖对海兰蛋鸡产蛋性能、鸡蛋品质及血清生化指标的影响

The Effects of Conjugated Linoleic Acid on Egg Production Performance and Egg Quality of Laying Hens;

共轭亚油酸对蛋鸡生产性能和蛋品质的影响

The Influence of Feed Added Phytase on Laying Performance

蛋鸡饲料中添加植酸酶对蛋鸡生产性能的影响

The Effect of Pyroligneous Acid on Egg Performance of Laying Hens and Egg Quality

木醋液对蛋鸡生产性能及蛋品质的影响

Effect of GPS on Production Performance and Egg Quality in Laying Hens

绞股蓝总皂甙对蛋鸡生产性能及蛋品质的影响

Effects of Mulberry Leaf on Production Performance and Egg Quality of Layers

桑叶粉对蛋鸡生产性能及蛋品质的影响

Effects of Yikang XP on Production Performance of Breeding Layers

益康XP制剂对蛋种鸡生产性能的影响

Study of Growth Performance,Egg Quality Between Blue-Shell Laying Hen and and Hailan Laying Hen

苏禽三凤绿壳蛋鸡与海兰蛋鸡生产性能、蛋品质的对比研究

Correlations between the blood protein polymorphic points and performance of Red Steppe

草原红牛血液蛋白多态性及与生产性能相关性