first-litter sow是什么意思

网络释义

用法例句

The Effect of Feed Allowance Level on Embryonic Survival and Secretion of IGF-Ⅰ,Insulin and GH during Early Pregnancy in Gilts;

营养水平对初产母猪妊娠早期胚胎存活和类胰岛素生长因子-Ⅰ、胰岛素、生长激素分泌的影响

The effects of dietary zinc, selenium and vitamin E content on reproductive performance and relative parameter in gilts;

饲粮锌、硒和维生素E水平对初产母猪繁殖性能及相关参数的影响

Effects of Feed Intake Level on the Embryonic Survival and Leptin Secretion and Gene Expression during Early Pregnancy in Gilts;

营养水平对初产母猪妊娠早期胚胎存活和Leptin分泌及基因表达的影响

The goals of this article is to investigate impact and manchisms on reproductive capability in prepubertal gilts and primiparous sows by feeding of short-term restriction.

作者探讨短期限饲对初情期前母猪和初产母猪繁殖机能的影响及其机理。

Nursing 28 day or 35 day, the first-litter sow with medium weaning condition can shorten estrus-service int.

②哺乳期为28d或35d，初产母猪断奶膘情为中等时，极显著地缩短断奶至发情的间隔，极显著地提高第二胎的发情率、受胎分娩率，显著地提高窝产活仔猪数，同时极显著地降低了初产母猪断奶话的乏情率。

Effects of Supplemental Chromium on Reproductive Performance in Multiparous Sows;

补铬对经产母猪繁殖性能的影响

This research was conducted to investigate the effects of gestation nutrition on the reproduction performance of multiparous sows in subsequent 3 parities .

通过对妊娠期不同营养水平连续3胎经产母猪生产成绩的研究,建立妊娠期采食量与泌乳损失及繁殖性能等之间关系的回归方程,分析高产仔母猪妊娠期采食量与泌乳期采食量对哺乳仔猪生产成绩和母猪自身生产成绩的不同影响,探讨母猪妊娠期与泌乳期的营养分配方案,更好指导母猪的饲养。

A Study on Improving Reproductivity of Gilts in Confinement Pig Farm;

提高工厂化猪场初产母猪繁殖力的研究

ISOLATION AND IDENTIFICATION OF VIRUS RESPONSIBLE FOR STILLBIRTH OF GILTS AUTUMN PARITY

秋季初产母猪死胎病毒病原的分离和鉴定

This is particularly a problem for first litters gilts which typically have low lactation feed intakes.

对于初产母猪来讲这尤其是个问题，因为它们在泌乳时采食量很低。

The Effect of Feed Intake Level on the Embryonic Survival and Secretion of IGF-I during Early Pregnancy in Gilts;

营养水平对初产母猪妊娠早期胚胎存活及IGF-I分泌量的影响

Effect of Nutrition Level During Gestation on the Reproductive Performance of Primiparous Sow;

妊娠期营养水平对初产母猪繁殖性能影响的研究

Effect of Dietary NUTRI-PAL Supplementation on Reproductive Performance of Primiparous Sows during the Summer Season

日粮中使用NUTRI-PAL对夏季初产母猪繁殖性能的影响

This situation can give rise to delayed re-breeding and a high number of first litter animals culled for the reproductive failure.

这种状况下，会导致初产母猪发情延迟，由于繁殖力差而引起的第一胎窝仔猪淘汰数多。

Trying to satisfy an abnormally high drive for maternal growth while also attempting to meet the high nutrient demands for milk production can result in severe catabolism of body tissue.

初产母猪为了力图满足异常高的母体生长饿泌乳的高营养需求，通常会导致体储备的分解代谢。

Effects of Feed Intake Level on the Embryonic Survival and Leptin Secretion and Gene Expression during Early Pregnancy in Gilts;

营养水平对初产母猪妊娠早期胚胎存活和Leptin分泌及基因表达的影响

Comparing Study the Effect of Adding Lysine and Sucrose in Different Protein Levels on Nursing Performance of Primiparous Sows;

比较研究初产母猪泌乳期日粮不同蛋白质水平添加赖氨酸和蔗糖对哺育性能的影响

Effect of Feed Intake Level on Progesterone Secretion,Embryonic Survival and Related Gene Expression During Early Pregnancy in Gilts

采食水平对初产母猪妊娠早期孕酮分泌、胚胎存活及相关基因表达的影响

To give birth to(a litter of pigs).

（母猪）产（一胎猪仔）

When will the sow farrow?

这头母猪何时产小猪?

Study on the Relationship of Swine Litter Size Alive and Uniformity of Newborn Piglets

母猪窝产活仔数与初生仔猪整齐度的相关性研究

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。

Breeding and Hybrid Utilization of New Qingping Maternal Pig Line

新清平猪母系选育及其杂交利用初报

Effect of Feed Yeast and Se-enriched Yeast on Production Performance of Sows;

饲用酵母、硒酵母对母猪繁殖性能及仔猪生产性能的影响

The Relationship Between the Reproductive Performance of Hyperprolific Primiparous Sows and the Nutrient Cost of the Piglet;

高产仔母猪繁殖力与仔猪营养成本的关系研究