Genetic Studies on Certain Measures of Efficiency of Milk Production in Crossbred Cattle PDF Download
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Author: P. K. Kakran
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: P. K. Kakran
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: G. N. Rao
Publisher:
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Category :
Languages : en
Pages :
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Author: U. C. Jagtap
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Author: United States. Agricultural Research Service. Animal Husbandry Research Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Book Description
Author: Frantz Supreme
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ISBN:
Category : Dairy cattle
Languages : en
Pages :
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Book Description
Author: Madan Mohan Saxena
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Book Description
Author: Francis Ruvuna
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 284
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Author: John Clark Wilk
Publisher:
ISBN:
Category :
Languages : en
Pages : 140
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Book Description
Author: Pramod Prabhakar
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659577093
Category :
Languages : en
Pages : 168
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Book Description
The book cover all basic and essential informations regarding genetic and non-genetic factors influencing milk production efficiency of cattle. This book has been meant for wide sources of information to research personnels but has been also designed to serve the purposes to act as a guide for undergraduate and postgraduate students of animal genetics & breeding. It gives a comprehensive idea about the various topics dealt with undergraduate syllabi in a very concise a manner.
Author: A. Srirama Murty
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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Book Description
A study related to growth trends of variou body size measures sto evaluate performance based on body size among cross sbred cattle in India is taken. The purebred, exotic and cross breds were from three exotic breeds namely Friesian Red Dane (RD) and Jersey. Body weight (BW) at birth was the maximum for Red Dane type followed by Friesian (Fri) and Jersey (Jrs). The performance was superior among crossbreds with 56-62.5 : Fri. inheritence among Fri. type for FL mg. and other production traits. : The lactation length among purebred RD and purebred Fri. type was found to be of longer duration compared to Fri crossbred groups and both 1/2 and purebred Jerey had the earliest age at first calving (AFC). Both weight and AFC have shown low and negative corelations. To redict FLMY (First lactation milk yield) or LTMP (Life time milk production) it was observed that the mature body size had very little predictive values. The fat corrected milk yield per unit jof mature body size was the highest both for FLMY & LTMP in RD followed by Jer. & Fri. The efficiency of milk production reflecting these dairy values were found to be the highest for 1/2 Fri. followed by 1/2 RD and 1/2 Jersey among cross breds and the opurebred Jer. had the highest dairy merit among exotic.
