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- 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。
- Females bred to boars that have been subjected to heat stress may have a lowered farrowing rate and smaller litter sizes. 母猪如果和受到热应激的公猪配种可能会导致产仔率下降、产仔数减少。
- The A / G mutation influence significantly the sheep litter sizes, and the BB and B+ ewes had significant higher litter sizes than ++ ewes. BMPR-IB A746G位点的变异明显影响绵羊的产羔数,与++基因型母羊相比, BB和B+基因型母羊产羔数明显较多。
- In the absence of any other signs of illness in the breeding females, PPV disease can be suspected by increases in mummified pigs and small litter sizes. 如果一个繁殖母猪群在没有任何其他疾病症状的情况下,持续发生母猪产木乃伊胎数量增加和每窝产仔量下降,应怀疑本病。
- Early BW gained 4.3kg and mid BW gained 20.3kg, improved litter size and weight of individual piglet born. 前期增重4.;3kg和中期增重20
- The organic minerals improved the litter size (0.6) and litter mass(0.78 kg) of multiparous sow. 使用复合有机微量元素母猪的窝产活仔数提高了0 6头;平均窝质量提高了0 78kg.
- The difference of LSM for litter size between DD and DE was non-significant(P>0.05) in Jining Grey goats. 济宁青山羊DD和DE基因型之间产羔数的最小二乘均值差异不显著(P>0.;05)。
- The result indicated that there was high linkage between the PCR-SSCP marker and litter size. 结果表明,该标记位点与产仔数性状显著相关,其贡献率达到10%25以上。
- There were no significant differences in stillbirth, litter size at weaning and early growth of piglets. 对产死胎数、断奶头数以及仔猪早期生长性状影响不显著。
- In the breeding, selection of the combined genotype AAAA will further improve the litter size of Laiwu black pigs. 在育种实践中,选择AAAA合并基因型可进一步提高莱芜黑猪的繁殖性能。
- The difference of LSM for litter size between DD and DE was non-significant (P>0.05) in Jining Grey goats. 济宁青山羊DD和DE基因型之间产羔数的最小二乘均值差异不显著(P>0.;05)。
- Variance analysis reveals that the litter size of AA types is significantly lower(P<0.05)than that of AB types and BB types. 经方差分析检验 ;AA型母猪的产仔数显著低于AB型和BB型个体的产仔数 (P <0 .;0 5;10
- The differences of least squares mean (LSM) for litter size of AA, AB and BB were nonsignificant (P >0.05) in Small Tail Han sheep. 小尾寒羊AA、AB和BB基因型之间产羔数的最小二乘均值差异都不显著(P>0.;05)。
- According to best litter size, from parity 1 to 3, the optimal total pregnant gain is 39kg, N intake 34.8g/d, N retention 18.6g/d, ADE intake 21.5MJ/d. 沉积N分别为18.;50,15
- The leading factor causing the variation of reproductive capability was the influence of under-herbosa on the average litter size of zoke. 造成鼢鼠繁殖强度变化的主要原因是林下草本植被对雌鼠平均胎仔数的影响。
- However, for litter size and litter weight at the age of 20d, crossbred Duroc mated groups appeared superior to pure ones. 但在20日龄窝仔数和窝重性状上,杂种公猪优于纯种公猪。
- Thus, INHA may be a major gene controlling the prolificacy of goat, and allele G is positively correlated with litter size. 结果显示: INHA可能是影响山羊产羔数性状的一个主效基因, G等位基因可能与高产性状呈正相关。
- "In the wild, subtle outcomes such as length of gestation, litter size and the age of onset of puberty are difficult to ascertain," says Janssen. “在野外,如怀孕期,胎仔数和青春期年龄等精细结果很难确定。”Janssen说。
- The results show that one effective gene is responsible for litter size and additive dominance genetic model is adequate while epistatic effects are not significant. 结果表明上位效应不显著,猪产仔数性状符合加性-显性遗传模式,受一个有效基因控制。
- The significant differences (P<0.05) were showed on litter size, litter size at weaning, weaning weight and litter weight at weaning of different genotypic mating combinations. 公、母猪不同基因型交配组合在产仔数、断奶仔猪数、仔猪断奶体重和断奶窝重等性状上亦有显著差异(P<0.;05)。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries