Title

Induction of parturition in a large number of pregnant dairy goats and its benefits as a management tool in a commercial scale goat operation

UMMS Affiliation

Department of Population and Quantitative Health Sciences

Publication Date

2021-09-15

Document Type

Article

Disciplines

Sheep and Goat Science | Veterinary Medicine

Abstract

At LFB USA, Inc., transgenic goats are utilized for the production of recombinant human protein therapeutics in their milk through the rPRO Technology platform. This retrospective analysis and report describes the results of induced parturition and its use as a management tool in this large herd of dairy goats. Over a three-year period, 342 does received pronuclear microinjected (MI) embryos transferred into the oviductal lumen via midline laparotomy (day 1). To initiate the induction process, does were given intramuscular injections (IM) of 10 mg each of prostaglandin (Lutalyse(R)) and dexamethasone to induce parturition on days 144-148 of pregnancy. Mean and Standard Deviation (+/-SD) time to parturition was 36.7 (+/-6.5) hours. Does were given these injections at 4pm on Sundays with an expected kidding time of late Monday into Tuesday morning. Of the 342 does, 333 or 97% had kidded by 3pm the following Tuesday, and 313 or 91% kidded in the 18 h between 9pm Monday and 3pm on Tuesday or between 29 and 47 h post induction. By the end of Tuesday, most kids had received colostrum and were transferred to the nursery. The incidences of kid mortality and retained placenta were 2.5% and 1.5%, respectively, clearly achieving a priority at this commercial operation for generating a high percentage of live kids (97.5%) of marked value being produced. The use of induced parturition allowed this large dairy operation to designate two 9-h time blocks in which to concentrate parturition times within the herd. This facilitated strategic scheduling to optimize availability of staff, in order to assist with parturition, separate kids from the dam at birth, and ensure adequate and prompt feeding of colostrum. Predicting the time of kidding in this way can serve as an effective management tool, especially to help reduce kid mortality and prevent disease spread by restricting suckling of colostrum.

Keywords

Goat, Induction, Management, Parturition

DOI of Published Version

10.1016/j.theriogenology.2021.05.024

Source

Pollock JM, Miner K, Buzzell N, Schofield M, Hawkins N, Blash S, Barton B, Gavin WG. Induction of parturition in a large number of pregnant dairy goats and its benefits as a management tool in a commercial scale goat operation. Theriogenology. 2021 Sep 15;172:1-7. doi: 10.1016/j.theriogenology.2021.05.024. Epub 2021 May 25. PMID: 34082221. Link to article on publisher's site

Journal/Book/Conference Title

Theriogenology

PubMed ID

34082221

Related Resources

Link to Article in PubMed

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