9780365552895 - studies in milk secretion, vol. 17: relation between milk yields and butter-fat percentages of the 7-day and 365-day tests of holstein-friesian advanced registry cattle (classic reprint) di gowen, marie s. (3 risultati)

- Brossura
Da: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 25,16
Spedizione gratuitaSpedito in U.S.A.Quantità: 15 disponibili
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

- Brossura
Da: PBShop.store UK, Fairford, GLOS, Regno UnitoPBShop.store UK
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 24,35
EUR 3,82 spedizioneSpedito da Regno Unito a U.S.A.Quantità: 15 disponibili
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.
Altre immagini- Brossura
- Print on Demand
Da: Forgotten Books, London, Regno UnitoForgotten Books
Contatta il venditoreVenditore con 4 stelleCondizione: Nuovo
EUR 15,80
Spedizione gratuitaSpedito da Regno Unito a U.S.A.Quantità: Più di 20 disponibili
Paperback. Condizione: New. Print on Demand. This book is a study of the relationship between milk yield and butterfat percentages in Holstein-Friesian cattle as determined by testing cows over a period of seven and three hundred sixty-five days. The author examines whether the seven-day test results can be used to accurately pr…edict longer-term performance. The author provides data that challenges the notion that a seven-day butterfat percentage will inevitably be higher than a 365-day percentage, revealing the nuances of the relationship between these metrics. It also questions whether the seven-day test effectively differentiates between cows' abilities, or whether factors such as feeding and management influence these results. Ultimately, the research in this book contributes to the larger discussion of the accuracy and significance of short-term testing as a predictor of long-term milk production and butterfat percentages in dairy cattle. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.