Effects of Prenatal Herbal Methionine Supplementation on Growth Indices, Onset of Puberty, Blood Metabolites, and Fertility of Alpine Doelings.

IF 3.6 3区 生物学 Q1 BIOLOGY
Venancio Cuevas-Reyes, Jorge Flores-Sánchez, Esau Ramírez de la Cruz, Juan M Vázquez-García, Luisa E S Hernández-Arteaga, Reagan Sims, Jaime M Cavazos-Galindo, Miguel Mellado, César A Rosales-Nieto
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引用次数: 0

Abstract

This study investigated the effects of prenatal herbal methionine supplementation on growth, puberty onset, reproductive efficiency, and blood metabolites in first-generation G1 Alpine doelings. Sixty pregnant multiparous goats (G0), each with at least three parturitions, were assigned during the last trimester of pregnancy to either herbal methionine (H-MET-G0; 1% Optimethione®; n = 30) or a control group (CTL-G0; n = 30). Only female offspring (G1 doelings) were studied (H-MET-G1:19; CTL-G1:25) from weaning (45 days old) to 10 months (first breeding). G1 doelings were weighed and monitored weekly for metabolites, IGF-1, insulin, and progesterone. Ovulation of the G1 doelings was induced using vasectomized bucks, followed by breeding with intact bucks. Postweaning growth, age at puberty (H-MET-G1:216 vs. CTL-G1:229 days), and live weight at puberty (H-MET-G1:20.5 vs. CTL-G1:21.0 kg) did not significantly differ (p > 0.05). Age at puberty and conception were negatively correlated with live weight (p < 0.001). First-cycle conception rates were 81% in CTL-G1 and 66% in H-MET-G1, with similar days to conception (p > 0.05). The number of pregnant doelings and the number of kids in utero did not significantly differ (p > 0.05) between treatments. Plasma IGF-1 and insulin levels were significantly higher (p < 0.001) in H-MET-G1 doelings, whereas plasma metabolites related to nutrition showed no differences between groups (p > 0.05). Prenatal herbal methionine supplementation had no carry-over effect on growth, puberty onset, or reproductive efficiency. Age at puberty and conception were negatively correlated with live weight and positively correlated with IGF-1 and insulin levels.

产前添加草药蛋氨酸对高山野鸭生长指标、青春期开始、血液代谢产物和育性的影响。
本研究探讨了产前补充草药蛋氨酸对第一代G1高山雏鸡生长、青春期开始、生殖效率和血液代谢物的影响。60只至少产过三次的怀孕多胎山羊(G0)在妊娠的最后三个月被分配给草药蛋氨酸(H-MET-G0;1% Optimethione®;n = 30)或对照组(CTL-G0;N = 30)。只研究了雌性后代(G1代)(H-MET-G1:19;CTL-G1:25)从断奶(45日龄)至10个月(首次繁殖)。对G1组小鼠进行称重,每周监测代谢物、IGF-1、胰岛素和黄体酮。用输精管切除的雄鹿诱导G1雄鹿排卵,然后与完整雄鹿交配。断奶后生长、青春期年龄(H-MET-G1:216 vs CTL-G1:229天)和青春期活重(H-MET-G1:20.5 vs CTL-G1:21.0 kg)无显著差异(p < 0.05)。青春期年龄和受孕与活重呈负相关(p < 0.001)。CTL-G1组第一周期受孕率为81%,H-MET-G1组为66%,受孕天数相近(p < 0.05)。两组间妊娠数和宫内胎数差异无统计学意义(p < 0.05)。H-MET-G1组血浆IGF-1和胰岛素水平显著升高(p < 0.001),而与营养相关的血浆代谢物在组间无差异(p < 0.05)。产前补充草药蛋氨酸对生长、青春期开始或生殖效率没有结转效应。青春期年龄和受孕年龄与活体重呈负相关,与IGF-1和胰岛素水平呈正相关。
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来源期刊
Biology-Basel
Biology-Basel Biological Science-Biological Science
CiteScore
5.70
自引率
4.80%
发文量
1618
审稿时长
11 weeks
期刊介绍: Biology (ISSN 2079-7737) is an international, peer-reviewed, quick-refereeing open access journal of Biological Science published by MDPI online. It publishes reviews, research papers and communications in all areas of biology and at the interface of related disciplines. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.
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