HF cattle

In recent years, the use of ruminal content has been booming in the preparation of different formulations and presentations for animal feed, either by using it directly or by processing it to obtain various commercial products. Within these products, can be mentioned, in special form, the Forage Flour (HF) and the nutritional blocks.

5p viisac 23-09-2023 4 1   Download

The present investigation was carried out with the objective of performance appraisal of HF x Gir halfbred with respect to reproduction and production traits. The performance records of 349 HF x Gir halfbred sired by 44 bulls were collected for reproduction and production traits spread over a period of 46 years (1972-2017) from Research Cum Development Project on Cattle, Mahatma Phule Krishi Vidyapeeth, Rahuri, Dist. Ahmednagar (Maharashtra).

6p trinhthamhodang11 27-04-2021 12 1   Download

Post influence of operation flood made India a leading global milk producer at the expense of decline in indigenous cattle population replaced by high milk producing exotic crossbred cattle. Recent times exotic crossbreds often suffer of mammary gland infection in compared to indigenous population results in economic loses and increased cost of production.

5p kethamoi7 26-08-2020 15 2   Download

The aim of this study was to identify the Complex Vertebral Malformation (CVM) in repeat breeder and anoestrous animals in Maharashtra state region. Total 102 animals of HF crossbred, Dangi, Gaolao and Non- descript were screened from field and cattle dairy farm. CVM is a hereditary recessive disorder in Holstein cattle which have a significant economic impact on dairy cattle breeding worldwide. Fifty repeat breeder and fifty-two anoestrous animals blood DNA were extracted by traditional method. Genotyping was performed by using PCR-RFLP analysis with the help of PstI restriction enzyme.

4p cothumenhmong5 17-05-2020 12 1   Download

Three different hormonal protocols were tried in HF animals (n=36) in coastal and western districts of Odisha for their response. The group treated with estra double synch protocol yielded highest conception rate of 50% followed by 41.66% in Co-synch +progesterone injection and 33.33% in double synch protocol.

8p chauchaungayxua5 05-05-2020 5 2   Download

The research data spread over a period of 41 years (1974 to 2015) were utilized to study the heritability, genetic and phenotypic correlation of life time performance traits. The mixed model analysing using LSML were used for estimation of variance components considering sire as a random effect, season and period of birth and age at first calving groups as fixed effects. Period of birth was highly significant on LTMY3, LTMY4, ALTMY, HL and PL whereas non-significant on BE. Season of birth did not influence any of the trait considered in the study.

7p nguaconbaynhay3 07-02-2020 36 0   Download

Bovine Leukocyte Adhesion Deficiency (BLAD), Bovine Citrullinaemia (BC), and Complex Vertebral Malformation (CVM) are the common autosomal recessive disorders in cattle affecting dairy industry. The present study was designed to standardize allelespecific PCR based genotyping method for examining the occurrence of these disorders in Indian cattle population. A total of 327 indigenous (Bos indicus), exotic (HF) cattle breeds and HF crossbreds (Bos taurus × Bos indicus) from various parts of India were screened.

9p nguathienthan2 19-12-2019 31 0   Download

The major objectives of the present study were to estimate the incidence of hoof disorders and to identify the various risk factors associated with the hoof disorders in crossbred dairy cattle maintained under field conditions in the state of Karnataka, India. A total of 204 crossbred dairy cattle were investigated for hoof disorders. The overall incidence of hoof disorders was found to be 30.4%. The Holstein Friesian crossbred dairy cows (36.2%) were more vulnerable to hoof disorders than Jersey crossbred dairy cows (20.8%).

9p kethamoi2 14-12-2019 20 0   Download

The study was undertaken to develop linear regression equations for prediction of body weights of HF crossbred cattle based on body measurements. The study was carried out on 506 HF crossbred cattle of Livestock Research Station, AAU, Anand; Sarsa Heifer Farm – Amul Dairy, Anand; Ode Semen Station – Amul Dairy, Anand. All the data were grouped age wise. Females were grouped into 0-6 M, 6-12 M, 1-2 Y, 2-4 Y, 4-6 Y and ˃6 Y age groups. Simple and multiple linear regression models were formulated using step wise method using SPSS 21.0 software.

15p kequaidan2 13-12-2019 12 1   Download

HF × Gir cattle, Genetic parameter, First lactation traits The present investigation was carried out with the objective of performance appraisal of HF × Gir cattle with respect to production and reproduction traits. The performance records of 421 HF × Gir half breed cattle sired by 48 bulls were collected for production and reproduction traits spread over a period of 39 years (1977 to 2015) from ResearchCum Development Project on Cattle, Mahatma Phule Krishi Vidyapeeth, Rahuri District Ahmednagar (Maharashtra).

7p chauchaungayxua1 04-12-2019 39 1   Download