Comparison of nutrient supply from the dam to fetus and placental development in Holstein and Japanese black cows pregnant with similar or different fetus breeds

IF 1.7 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animal Science Journal Pub Date : 2024-08-22 DOI:10.1111/asj.13989

Riku Mashimo, Yuka Kumazaki, Kaori Nakagami, Nobuyuki Kusaba, Chiho Kawashima

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引用次数: 0

Abstract

A lower nutrient supply from Holstein (HOL) dams to beef fetuses than HOL fetuses has been demonstrated, but the underlying factors remain unclear. We investigated maternal, umbilical vein, and calf blood glucose and amino acid concentrations at calving, along with placental development at term, in HOL dams with similar fetuses (HOL-HOL, n = 12), F1 crosses (HOL × Japanese Black [JB]; HOL-F1, n = 4), JB fetuses (HOL-JB, n = 7), and JB dams with similar fetuses (JB-JB, n = 11). Calf birth weight, total cotyledonary weight, and surface area were greater in HOL-HOL compared to JB-JB or HOL-JB (P < 0.05), whereas those of HOL-F1 were similar. Blood amino acid concentrations in the umbilical veins and calves were similar among HOL-HOL, HOL-F1, and HOL-JB. Calf blood glucose concentrations were lower in HOL-F1 than HOL-HOL (P < 0.05), despite similar maternal blood glucose levels. HOL-JB exhibited higher maternal, umbilical vein, and calf blood glucose concentrations than JB-JB (P < 0.05). Therefore, the glucose supply to the fetus may be inhibited in HOL-F1 due to maternal-fetal breed differences. Higher maternal blood glucose concentrations in HOL-JB may result in elevated fetal glucose exposure, potentially affecting postnatal growth and metabolism.

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比较荷斯坦奶牛和日本黑奶牛在怀有相似或不同胎儿品种时从母体到胎儿的营养供应和胎盘发育情况。

事实证明，荷斯坦（HOL）母牛对牛肉胎儿的营养供应低于荷斯坦胎儿，但其根本原因仍不清楚。我们调查了荷斯坦母牛与相似胎儿（HOL-HOL，n = 12）、F1 杂交（HOL × 日本黑牛 [JB]；HOL-F1，n = 4）、JB 胎儿（HOL-JB，n = 7）和 JB 母牛与相似胎儿（JB-JB，n = 11）产仔时母体、脐静脉和犊牛的血糖和氨基酸浓度以及胎盘发育情况。与 JB-JB 或 HOL-JB 相比，HOL-HOL 的犊牛出生体重、子叶总重和表面积更大（P

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来源期刊

Animal Science Journal 生物-奶制品与动物科学

CiteScore

3.80

自引率

5.00%

发文量

111

审稿时长

1 months

期刊介绍： Animal Science Journal (a continuation of Animal Science and Technology) is the official journal of the Japanese Society of Animal Science (JSAS) and publishes Original Research Articles (full papers and rapid communications) in English in all fields of animal and poultry science: genetics and breeding, genetic engineering, reproduction, embryo manipulation, nutrition, feeds and feeding, physiology, anatomy, environment and behavior, animal products (milk, meat, eggs and their by-products) and their processing, and livestock economics. Animal Science Journal will invite Review Articles in consultations with Editors. Submission to the Journal is open to those who are interested in animal science.