Advancing parity is associated with high milk production at the cost of body condition and increased periparturient disorders in dairy herds.

Journal of Veterinary Science
Ji-Yeon Lee, Ill-Hwa Kim

Abstract

The objectives of this study were to determine the effects of parity on milk production, body condition change, periparturient health, and culling in Korean dairy herds. The data utilized included; milk yield, body condition score, cow parity, calving condition, periparturient disorders, culling, and reproductive status, which were recorded from 1290 calvings in eight dairy herds. The mean milk yield in cows over 305 days increased with increasing parity (p < 0.01). Cows with parities of 3, 4, and 5 or higher lost more body condition than those with a parity of 1 during month 1 of lactation (p < 0.01), and body condition recovery by cows with parities of 4 and 5 or higher was slower (p < 0.01) than recovery by cows with parities of 1, 2, or 3 until month 3 of lactation. The risk of retained placenta, metabolic disorder, and endometritis also increased with advancing parity (p < 0.05). Moreover, the incidence of ovarian cysts was lower in cows with a parity of one than in cows with greater parities (p < 0.01). Culling rate due to reproductive failure also increased with advancing parity (p < 0.01). These results suggest that parity increases milk yield, body condition loss during early lactation, the risk of periparturient disor...Continue Reading

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Citations

Mar 1, 2007·The Journal of Reproduction and Development·Ui-Hyung KimIll-Hwa Kim
Aug 24, 2013·Reproduction in Domestic Animals = Zuchthygiene·E J Williams
Jan 20, 2011·Journal of Animal Physiology and Animal Nutrition·M GraberH A van Dorland
Jan 8, 2017·Hormones and Behavior·Matthew B PetelleDaniel T Blumstein
Jun 28, 2016·Tropical Animal Health and Production·Deise Aline KnobFabrício Desconsi Mozzaquatro
Jul 4, 2019·Animals : an Open Access Journal From MDPI·Mutassim M AbdelrahmanRiyadh S Aljumaah
Nov 27, 2019·Animal Science Journal = Nihon Chikusan Gakkaihō·Maimaiti ReshalaitihanMasaaki Hanada
Aug 8, 2020·Animals : an Open Access Journal From MDPI·Mingyung LeeSeongwon Seo

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